Retrofit Relay
4,777 articles · 50+ sources

Energy efficiency news.

Rebate updates, policy changes, and technology developments — aggregated from 50+ sources, AI-enriched, and scored for relevance.

industry MA Oct 8, 2026 72

Oil Heat Faces a $6-a-Gallon Test

Heating oil is about to get a lot more expensive. The Energy Information Administration expects average prices of $4.80 a gallon this winter, up 33% from last year, and one New York-area supplier has already charged $6.86. The jump is tied to tight global oil supplies and the wars in Iran and Ukraine, and it mainly affects Northeast homes that heat with oil. If your oil furnace or boiler is old, replacing it can still help even if you stay with oil. Industry data cited in the piece shows high-efficiency oil boiler swaps saving around 25% on fuel compared with older units, and oil-heated homes today burn less than half the fuel a similar home used in 1978. That said, a full switch to a heat pump (a system that moves heat instead of burning fuel) costs two to three times as much as simply replacing an oil system in some New England homes, with a payback period of six to seven years. One contractor quoted in the article says leads from oil customers asking about heat pumps are up 30%, and expects a strong sales season as prices bite. Electricity costs matter too, since New England rates are among the highest in the country. Massachusetts is trying to improve the math: it now requires major utilities to offer discounted winter rates for homes that heat primarily with heat pumps, which saved participating households over $250 last winter. Those discounts are getting bigger this year — National Grid's rate cut is rising from about 2.5 cents to 4 cents per kilowatt-hour, and Unitil's from about 2 cents to 3.6 cents. If you're in Massachusetts and considering a heat pump, it's worth checking whether your utility offers this rate.

ACHR News
industry Oct 8, 2026 54

Global PV oversupply accelerates consolidation, regional price divergence

The global market for solar panels is making far more than anyone needs right now, and that oversupply is expected to continue for another year or two. China alone can produce more solar cells than the whole world uses in a year. That's pushing prices down, but not evenly: equipment sold into markets with trade barriers or local-content rules, including the US and Europe, is starting to cost more than equipment sold elsewhere, because buyers there are paying for compliance and supply security rather than just the lowest price. This matters if you're planning a solar installation, because the panels, inverters, and batteries you'd buy are all affected differently. Panel prices are so low that most manufacturers are losing money, which is unsustainable long-term. China is also phasing out an older panel technology (called PERC) starting in 2027, which means some panels on the market now could become outdated stock sold off cheap before that deadline. For inverters, a bigger near-term issue in the US is a Federal Communications Commission rule restricting new foreign-made inverter models, which could complicate project approvals if equipment gets swapped out partway through installation. Battery storage is in an earlier stage of this same cycle: battery makers are generally still profitable, and high-quality cells remain in short supply even as more companies pile into the market. None of this requires any action from you today, but if you're shopping around for a home solar or battery system, it helps to know that price alone may not reflect quality, warranty support, or how long equipment will stay current before being phased out.

PV Magazine USA
industry Oct 8, 2026 50

Batteries beat gas peakers on cost globally, but U.S. faces trade headwinds

Battery storage that can power the grid for four hours straight is now cheaper to build than natural gas "peaker" plants (the gas-fired generators utilities switch on during high-demand hours) in every major market worldwide, according to new industry analysis. Falling battery costs and rising gas equipment prices are behind the shift. The United States is something of an exception, at least for now. Tariffs and trade restrictions on imported solar equipment are keeping prices elevated here compared to other countries, which get cheaper Chinese-made panels and batteries. Utility-scale solar projects have some protection through already-secured equipment supplies, but analysts expect panel prices to keep climbing through 2030. Home and business solar installations are expected to feel this more: panel prices are projected to rise 6 percent in 2027 and another 14 percent in 2028. For battery storage, federal tax credits from the Inflation Reduction Act are currently helping offset higher costs tied to sourcing rules, though those credits are set to phase out in the late 2030s. None of this changes the bigger picture for American homeowners weighing rooftop solar or a home battery: costs may rise somewhat over the next few years due to tariffs and the eventual loss of federal credits, but the long-term trend for battery prices is still downward. Separately, growing electricity demand from data centers and AI is pushing utilities to lean more on solar-plus-storage rather than building new gas plants, since gas equipment itself is in short supply and getting pricier.

PV Magazine USA
industry Oct 8, 2026 48

4-hour battery storage is cheaper to install than gas turbines all across globe

A new global report from Wood Mackenzie finds that large batteries which can discharge power for four hours are now cheaper to build than gas-fired "peaker" plants (power plants that run only when demand spikes) in every one of the 43 markets studied worldwide. The research firm says falling battery manufacturing costs, led by China, combined with rising gas turbine costs and fuel price swings, are making storage the more economical choice for backing up solar and wind power almost everywhere. This is a utility-scale, grid-level trend rather than something that changes equipment choices for an individual home. But it matters for homeowners in a broader sense: as batteries get cheaper to deploy on the grid, the power you buy is more likely to come from solar and wind supported by storage rather than gas plants, which can affect electricity rates and reliability over time. In the U.S. specifically, the report notes tax credits still make storage more competitive, though tariffs and import rules are pushing up costs for rooftop solar panels, with price increases forecast through 2028. It also flags that federal storage tax credits are expected to phase out starting in 2038. None of this requires any action from a homeowner right now. It is a signal about where energy costs and grid planning are headed globally, not a new rebate or program. If you're weighing your own solar or battery backup purchase, it's worth knowing that equipment costs and incentives in your area may shift as these broader market trends play out.

Solar Power World
case study Oct 8, 2026 45

Making Room for an Electricity Monitor

A building science writer with an all-electric house recently tried to add circuit-level electricity monitoring to the subpanel that powers his two heat pumps, and found it harder than expected. These monitors use clamp-on sensors called current transformers (CTs) that track how much power each circuit uses, but the monitor box itself turned out to be too large to fit inside his existing subpanel. His fix was to mount a separate weatherproof enclosure above the subpanel and connect the two with conduit, a project that took about 30 hours and several store trips for the right parts. The trickier issue was wiring. The monitor needs a reference connection to both sides of the panel's power, but the heavy-gauge wires feeding the heat pumps couldn't safely share a connection with the thinner monitor wire. His solution was to add an entirely new breaker just to give the monitor its reference point, a workaround that isn't part of the standard installation instructions for these devices. For a homeowner, the lesson isn't a specific product recommendation so much as a reality check: adding electricity monitoring to a home with multiple panels and a heat pump setup can involve more than snapping in a device, especially if panel space is tight. It may require extra hardware, custom wiring work, and should involve a licensed electrician given the safety risks of working inside a live electrical panel.

Green Building Advisor
technology Oct 8, 2026 44

Tesla’s best-selling vehicles can now send power to your home, but the real revolution is yet to come

Tesla's Model 3 and Model Y can now power your home during an outage, using a feature called Powershare Home Backup. This was already available on the Cybertruck, but now extends to Tesla's two most common models across the US and Puerto Rico. To use it, you need a Tesla Powerwall 3 (a home battery) and a Tesla Wall Connector, plus a Model 3 or Y bought after October 1, 2026 — though some earlier vehicles may also have the right hardware, which you can check on the car's touchscreen. A certified installer still has to confirm the wiring meets code before the system can be turned on, but Tesla says no new equipment is needed if you already have a Powerwall 3 and Wall Connector in place. The batteries in these cars are much bigger than a Powerwall, holding somewhere between 50 and 79 kWh depending on trim, compared to 13.5 kWh in a Powerwall 3. Tesla says that's enough to run an average home for more than two days on battery alone. If you lease a Powerwall in parts of Texas or New England, Tesla says adding this backup feature costs under $50 a month. One thing the Model 3 and Y still can't do is send power back to the grid to earn money or credits during peak demand, a feature called vehicle-to-grid that Cybertruck owners in parts of California and Texas already have. Tesla hasn't said whether or when that capability might come to its more popular models.

PV Magazine USA
case study IA Oct 8, 2026 43

How a reluctant Iowa farming county undid a ban on battery storage

In Cherokee County, Iowa, a farming family's plan to combine solar panels, grazing cattle, and battery storage on part of their land ran into local resistance. County supervisors passed a ban on battery projects in March after hearing about the proposal, worried about fire risk from the type of large batteries now commonly paired with solar and wind farms to store power for later use. That kind of pushback has been happening in rural communities around the country as grid-scale batteries become more common. The family, along with one sympathetic county supervisor, spent months making the case for allowing the project. They brought in a researcher to explain that today's grid batteries mostly use a safer battery chemistry than the type involved in a well-known 2025 battery fire in California, and that modern installations use separate containers designed to keep a fire from spreading. They also argued the project would bring in significant tax revenue for the county. By August, the county board reversed course and approved rules allowing battery projects to move forward. For homeowners, this story is less about your own house and more about the bigger picture: it shows how local fights over battery safety and land use are playing out as more solar-plus-storage projects get built to meet rising power demand. If you live somewhere considering similar rules, it is a reminder that battery technology and safety standards have changed significantly in recent years, and that local decisions about these projects can directly affect how much clean, reliable power is available in your area.

Canary Media
industry Oct 8, 2026 42

Voltus raises $225 million to scale BYOC for data centers

Voltus, a company that manages "virtual power plants" — networks of batteries, solar systems, and other distributed energy that can be called on to support the grid — has raised $225 million to grow its business. The money, a Series D round, was co-led by Generation Investment Management, Activate Capital, and Vitol, and is the company's first raise since 2021. Most of this growth is aimed at data centers, which use huge amounts of electricity. Voltus lets data centers pay for batteries and other flexible power sources in the communities around them, then count that capacity toward their own power needs. Google became its first customer under this program, called "bring your own capacity," in June. Voltus also bought a battery storage startup, Brightfield, and struck partnerships with Octopus Energy U.S. and Sunrun, the residential solar company. That Sunrun partnership is the part most likely to touch homeowners, since it signals Voltus expanding from commercial and industrial customers into homes with solar panels and batteries. If your utility or solar installer already works with a virtual power plant program, deals like this could mean more opportunities to get paid for letting your battery or solar system support the grid at peak times. The company's goal is to manage 20 gigawatts of power by 2030, more than double what it has now, largely by adding batteries to existing sites already enrolled in these programs. No new homeowner programs or rebates were announced alongside this funding round.

Latitude Media
industry NC Oct 8, 2026 42

A new group to help US small towns lead the clean energy transition

Mondale Robinson, mayor of Enfield, North Carolina, a town of about 2,000 people, has launched a coalition meant to give small towns more clout in the clean energy transition. His National Conference of Small Cities and Rural Mayors is open to officials from places with fewer than 30,000 residents, a group the U.S. Conference of Mayors does not fully admit as members even though, Robinson notes, towns this size make up 93% of all incorporated municipalities and about 60 million residents nationwide. The new group is still recruiting its first 100 founding mayors and looking for foundation support, since Robinson says 90% of philanthropy goes to urban areas. Enfield itself is testing what small towns can do with limited money. The town is working on a solar farm to power the whole community, a new substation to carry that electricity, and a thermal energy network — a shared underground system of pipes that would heat and cool buildings more efficiently and help lower electric bills. A nonprofit called Enfield Energy Futures has already won a small grant to pursue the thermal project, with help from lawyers and university researchers in nearby Chapel Hill and Durham. None of this changes anything for homeowners outside Enfield right now. But it signals a push to bring more federal policy attention, outside funding, and shared expertise to small, often-overlooked towns working on clean energy and lower utility costs — the kind of place many readers may call home.

Canary Media
policy Oct 8, 2026 31

To the Trump Administration, Children’s Health Is an Acceptable Sacrifice

A federal science panel that has advised the EPA on protecting children from environmental health hazards for nearly 30 years has stopped functioning. The Children's Health Protection Advisory Committee (CHPAC), made up of independent doctors, academics, and government officials, has not met since August 2025. Several members' terms ended this year, and while the EPA sought nominations for new members with a goal of filling seats by March 1, 2026, the positions remain empty. The EPA also has not given the committee any new assignment to review, despite a White House strategy report promising to involve it in children's health policy. This matters because CHPAC's advice has shaped real protections in the past, including guidelines on where schools can be built to avoid environmental hazards. Last year the committee also finished a report on how exposure to plastic pollution can raise children's risk of developmental problems, birth defects, and cancer, but the EPA has not responded or taken action on it. Separately, the EPA last year loosened the soil lead limits that trigger cleanup, meaning kids could be exposed to more lead before the government steps in. CHPAC is one of hundreds of federal science advisory committees that have been shut down, left unstaffed, or disrupted since the start of the current administration. Children's health groups and former CHPAC members have sent a letter to EPA and Health and Human Services leaders asking for a timeline to refill the committee and a response to its plastics report. For homeowners, the lead standard change is the most direct item worth knowing about if you are dealing with lead in soil around your property.

Union of Concerned Scientists
industry Oct 8, 2026 30

Ask a Scientist: How Have You Been Affected by Trump Administration Cuts?

Thousands of government scientists have left or been pushed out of federal jobs under the current administration, with nearly 95,000 science positions gone from federal service. This isn't just an inside-government story. These are the people who track severe weather, check that seafood and food supplies are safe, study pollution to inform health rules, and support disaster response around the world. Several former federal scientists describe what's been lost. A meteorologist who worked at NOAA, the agency behind weather forecasts and climate data, says programs built over decades can't simply restart once the staff are gone, and he worries about the country's ability to handle hurricanes, heat waves, or wildfires without that expertise. A researcher who mapped humanitarian and disaster-response needs overseas says a grant tied to her work stalled after USAID, the federal foreign aid agency, was shut down. A former State Department policy advisor who worked on climate and women's issues says her entire office was eliminated in a department reorganization, taking with it years of relationships and expertise built with partners worldwide. None of this changes rebate programs or upgrade incentives directly, but it points to a broader thinning of the government expertise behind weather forecasting, climate research, and consumer safety work — the kind of data and standards that often sit quietly behind programs homeowners rely on. For now, it's a reminder to watch for changes in federal weather and climate services, and to keep an eye on how agency cuts might eventually touch programs tied to energy and home safety.

Union of Concerned Scientists
case study GA Oct 8, 2026 28

From broken panels to responsible recovery: Green Clean Solar leads industry recycling efforts

A Georgia company called Green Clean Solar is working to keep broken solar panels out of landfills. At a solar site in Maysville, Georgia, the company collected panels that had been damaged during construction or handling and arranged for them to be recycled rather than dumped. The woman-owned firm specializes in managing solar waste for commercial and utility-scale projects, handling everything from broken panels and packaging to aluminum racking, wiring, and inverters. The bigger point is about timing. Many people assume solar panel recycling only matters when a large solar farm reaches the end of its life, decades from now. Green Clean Solar argues that damaged panels create waste right from the start of a project, during shipping, installation, or construction, and that this waste needs a plan immediately rather than being left to pile up or sent to a landfill. Panels contain recoverable materials like glass, aluminum, and metals, along with substances such as lead and cadmium that are better kept out of landfills. This story is about commercial and utility-scale solar projects, not home rooftop systems, so it does not point to any direct action for homeowners. But it is a useful sign of where the solar industry is headed: companies and developers are starting to treat panel waste and recycling as part of normal project planning, not just an afterthought for decommissioning decades down the road.

Solar Power World
policy MD Oct 8, 2026 28

Maryland’s first storage procurement round falls 360 MW short

Maryland regulators have picked two big battery storage projects for the state's first round of a new program meant to keep electricity prices stable. Flatiron Energy's 400 MW Chalk Point project, planned at a former coal power plant site in Prince George's County, and REV Renewables' 40 MW Jade Meadow III project, part of a solar development on reclaimed coal mine land in Garrett County, both won conditional 15-year awards. The commission says the combined cost works out to about 7 cents a month for a typical residential customer. The state had hoped to line up 800 megawatts of storage in this round but came up 360 MW short. Two other developers dropped out, and a third large project was passed over because of its cost to ratepayers and lower ranking. A proposal to expand Chalk Point further missed the deadline but can be resubmitted in the next round, which must open by January 2027. The program exists because wholesale electricity capacity prices in the regional grid have risen sharply, including in Maryland's own pricing zone. State regulators see four-hour battery storage as a way to lock in more predictable costs rather than leave customers exposed to that volatility. Both approved projects still need further state approval, including hearings on safety and environmental impact, before construction can begin. For homeowners, the practical effect for now is a small, fixed addition to monthly bills in exchange for the state betting that more battery storage will help hold down future price spikes.

PV Magazine USA
industry Oct 8, 2026 24

U.S. Green Building Council Announces 2026 Leadership Award Recipients

The U.S. Green Building Council has named its 2026 Leadership Award winners, honoring organizations and individuals who've pushed green building practices forward worldwide. Honorees include developers DLF Cyber City Developers, Tishman Speyer, and Vasakronan, materials maker Saint-Gobain, former Urban Green Council CEO John Mandyck, Total Design's Fiona Cousins, and the Grace Farms cultural campus in Connecticut, recognized for geothermal heating and cooling systems and habitat restoration work. The awards will be presented October 21 in New York City during the Greenbuild conference. This is industry recognition rather than a new program or rebate, so there's nothing here to apply for or sign up on your own home. The news mainly highlights trends worth knowing about if you're weighing upgrades: large-scale geothermal systems, materials transparency in building products, and deep energy-use reductions are becoming standard practice among major developers and real estate firms. Vasakronan, for instance, cut energy use across its portfolio by more than half since 2009 using LEED, the widely used green building certification system. None of this changes rebate eligibility or deadlines for homeowners. But it's a signal that technologies like geothermal heat pumps and strategies like whole-building energy tracking, once mostly seen in commercial real estate, are proving out at scale and increasingly filtering down into residential products and incentive programs. If you're researching upgrades like heat pumps or efficiency retrofits, it's a sign the market and know-how behind these systems keep maturing, which can mean more options and better-tested equipment reaching homes over time.

US Green Building Council (USGBC)
technology Oct 8, 2026 24

The truth about data center water usage

This one is about data centers, not home upgrades, but it touches on a debate you may have heard about: how much water AI computing centers use. A data center engineer explained that water use mostly comes down to design choices, not some fixed cost of running these facilities. Older data centers often used evaporative cooling, spraying water to cool air, because it saved energy even though it used a fair amount of water. A 300-megawatt facility with this setup might use around 150 million gallons a year, comparable to irrigating about 550 acres of soybeans, and less than a similarly sized power plant using water for cooling. But newer facilities, built to handle far more powerful computer chips, have shifted to liquid cooling, where fluid runs directly to the chips. This lets the system carry heat away at higher temperatures, so it can often be released outside using dry coolers or closed-loop systems with little or no water at all. Many modern data centers now use water mainly for restrooms and kitchens rather than cooling. The engineer noted that building a huge data center still uses water for things like dust control and construction, so some local water complaints may be real even if ongoing operations use little. For homeowners, there is no direct action here. This is background on a public debate over AI's resource footprint, not a program or rebate affecting household energy bills or upgrades.

Latitude Media
technology Oct 8, 2026 24

AMMP launches AI coworker for renewable energy asset managers

A data company called AMMP has introduced an AI tool for companies that manage large solar, wind, and battery installations. The tool, named Ray, works alongside the human teams that monitor these energy sites, flagging problems, explaining what's going wrong, and drafting reports automatically. This news is about the business side of renewable energy, not home solar systems. The companies affected are asset managers who oversee large portfolios of energy sites, sometimes hundreds of installations spread across different countries. Right now, much of that work is done by hand: checking performance numbers, following up on repeated equipment alarms, reviewing maintenance contracts, and writing reports for investors. Ray is meant to take over some of that routine work so human teams can focus elsewhere. For a homeowner with rooftop solar or a home battery, this development has no direct effect on your system or your bills. It doesn't change rebates, equipment choices, or installation costs. It's a behind-the-scenes shift in how large commercial and utility-scale renewable energy projects get managed day to day. If anything, tools like this could eventually make large-scale renewable projects run more efficiently, but that's a broader industry trend rather than something that changes what's available to you as a homeowner right now.

Solar Power World
technology Oct 8, 2026 24

Brilliant Matters, HeiQ plan to commercialize 12%-efficient semi-transparent organic solar cells

A group of companies in Canada, Switzerland, and Germany has built a new kind of solar cell that is see-through and flexible, rather than the rigid, opaque panels most people picture on a roof. These "semi-transparent organic solar cells" reached efficiencies of up to 12% in lab tests, and a small printed module made of several cells connected together hit just over 10%. The companies involved are Brilliant Matters, HeiQ, and a German research group called Solar Factory. Because the material lets light through while still generating electricity, it is aimed less at traditional rooftops and more at things like windows, greenhouse panels, and other building surfaces where you still want natural light to pass in. One of the developers said he expects the technology to be commercially available in 2028, with an estimated cost under $150 per square meter, a price they expect to drop further as demand grows. For now, this is early-stage technology still being tested with customers, not something available to install on a home today. But it points to a future where solar generation could be built into glazing or glass surfaces on a house, rather than added only as separate rooftop panels. If this kind of product does reach the market around 2028, it could offer homeowners another option for adding solar-generated power to parts of a house, like windows or sunrooms, where conventional opaque panels do not make sense.

PV Magazine USA
industry IN Oct 8, 2026 22

900-MW portion of Indiana’s Mammoth solar project coming online

A big piece of one of the largest solar projects in the country is starting up in Pulaski County, Indiana. Three sections of the Mammoth Solar Project — Mammoth South, Mammoth Central I, and Mammoth Central II — are coming online with a combined capacity of 900 megawatts. Once the full project is finished, Mammoth Solar will reach 1.3 gigawatts total, built by Doral Renewables. This is a large utility-scale project, not something tied to individual homes, but it adds a significant amount of solar power to Indiana's grid. The company, Doral Renewables, is also looking into combining solar with farming on the site, an approach called agrivoltaics, where land under and around solar panels is used for things like specialty crops or grazing sheep and cattle. For homeowners, this kind of project doesn't come with a direct rebate or upgrade to pursue. It mainly means more solar generation feeding into the regional power supply, which can affect electricity availability and pricing over time, though no specific effect on utility bills was mentioned. If you're in Indiana and curious about how more solar on the grid might shape local energy costs or utility programs down the road, it may be worth keeping an eye on updates from your own utility.

Solar Power World
technology Oct 8, 2026 22

BMW’s new iX4 has 428 miles of range, but it starts at north of $66,000 [Images]

BMW has revealed its new electric iX4, a coupe-style SUV that goes on sale in March 2027. The base version, the iX4 50 xDrive, starts at $66,200 plus a $1,495 destination fee, and BMW says it can travel up to 428 miles on a single charge thanks to a 112.2 kWh battery. A faster-charging 800V electrical system lets it add up to 184 miles of range in about 10 minutes. A more powerful M60 version will follow with less range but quicker acceleration; BMW hasn't set its price yet, though it's expected to cost significantly more, possibly $85,000 to $90,000. This isn't a home energy upgrade story, but it matters to anyone weighing an electric vehicle alongside household electrification plans. If you're considering a heat pump, solar panels, or other upgrades and also thinking about buying an EV, charging speed and range affect how an electric car fits into your daily routine and how much backup power it could offer your home — BMW says the iX4 supports bidirectional charging, meaning it can send power back out, potentially serving as backup power during an outage. For comparison, the article notes a Tesla Model Y Performance starts cheaper, at $57,990, than BMW's base iX4. If you're cross-shopping EVs as part of a broader plan to cut energy costs or add home battery backup, price and charging capability are worth weighing against what any given EV can actually do for your household, not just how far it can drive.

Electrek
case study Oct 8, 2026 18

Externally insulating a rectangular log cabin in the French alps

This isn't news so much as a homeowner's question posted to a building forum. A homeowner with a log cabin in the French Alps, at 1,200 meters elevation near a snow-making machine, asked for advice on adding exterior insulation to the outside of the log walls. He's trying to decide between a few approaches: mounting brackets that let a new stud layer slide slightly against the logs (since log walls shrink and swell with moisture), then insulating with rockwool facade insulation directly against the existing logs; adding a sealed air and moisture barrier between the old logs and new insulation, which he worried would be hard to make airtight with all the sliding hardware; or leaving a ventilated gap behind the insulation so the wall can "breathe," at some cost to insulating performance. One responder suggested a different method: coating the logs with a liquid-applied air and moisture barrier, then building a "Larsen truss" on the outside — a framework of plywood gussets and outer studs — filled with blown-in insulation, which avoids the sliding-bracket complications entirely. For homeowners here, this is really a case study in a problem that comes up whenever you add exterior insulation to an older wall that moves or needs to dry: balancing airtightness, moisture control, and insulation value. If you're considering exterior insulation on a log, timber, or older wood-frame home, the same tradeoffs — vapor barriers, ventilation gaps, and wall movement — are worth discussing with whoever designs your retrofit.

Green Building Advisor
industry Oct 8, 2026 11

Tesla leaned on Dutch regulator to ease its FSD review, emails show

This story is about Tesla's self-driving software, not home energy upgrades, but it ran alongside a sponsor note about solar, so here's the gist. Reuters obtained emails showing Tesla pushed the Dutch vehicle regulator, RDW, to scale back its review of "Full Self-Driving (Supervised)," including disputing a €365,000 bill for the regulator's work. RDW approved the system anyway and is now asking the European Union to do the same across the bloc. Eight EU countries currently allow FSD, and a bloc-wide vote could come as early as December, though it needs 15 of 27 member states representing 65% of the EU population. Reuters also found that Tesla's safety claims rest on a small, methodologically weak study that measured things like hard braking and honking rather than actual crashes, and Tesla's own fine print says the data can't show cause and effect. Tesla has nonetheless told the public its technology could prevent most of Europe's road deaths. Separately, Tesla encouraged owners to pressure regulators directly, and public records show a wave of emails from fans to officials in Sweden and Norway. For homeowners, this has no bearing on energy rebates or home upgrades. It's purely about whether Europe approves Tesla's driver-assist software, with Germany, Italy, Spain and Sweden still undecided.

Electrek
policy Oct 8, 2026 8

Trump is gutting the Endangered Species Act. These 10 species show what’s at stake.

This is wildlife and environmental policy news, not an energy-efficiency story, so it doesn't connect to home upgrades or rebates. Still, here's what happened. The Trump administration has narrowed two key terms in the Endangered Species Act. Destroying the habitat where a threatened or endangered species breeds, feeds, or shelters will no longer trigger federal penalties. And "take" — once covering any harm to a species — now applies only to intentional killing. Nearly two dozen state attorneys general have sued over the changes. The practical effect, according to wildlife advocates and biologists quoted in the reporting, is that construction, logging, and development projects near habitat for species like the North Atlantic right whale, Florida panther, California sea otter, bull trout, rusty patched bumble bee, and eastern massasauga rattlesnake may no longer need federal sign-off, since harming habitat or accidentally killing an animal during work would not count as a violation. Some species, like the eastern hellbender salamander, have been waiting years for a listing decision that still hasn't come — no species has been listed as endangered since the administration took office. State laws in places like Michigan or New York may still offer some protection, but advocates say those vary widely and don't match what the federal law used to require.

Grist
industry Oct 8, 2026 0

From the farm to your door: How our global food system exploits workers

This story is outside what Retrofit Relay covers. We write about home energy upgrades, weatherization, heat pumps, and rebate programs — not labor conditions in the global food system. A homeowner reading this site for guidance on insulation, electrification, or energy rebates won't find anything here that bears on those decisions. The article itself looks at exploitation among the 1.4 billion people who grow, process, deliver, and serve food worldwide, including delivery workers in cities like New York and farmworkers globally. A new report from the International Panel of Experts on Sustainable Food Systems (IPES-Food) finds that climate change and rising living costs are deepening long-standing abuses, many rooted in histories of colonialism and forced labor. It notes that 60 to 80 percent of food workers are informally employed, roughly 30 percent earn less than a living wage, and an estimated 2.1 million agricultural workers face forced-labor conditions. None of this touches on home energy use, insulation, heating systems, or rebate eligibility, so there is no upgrade-related guidance to draw from it. If you are weighing a heat pump install, air sealing work, or a rebate deadline for your house, that information will come through in separate coverage focused specifically on energy programs in your state.

Grist
industry Oct 7, 2026 83

HVAC Price Increase List: October 2026

Several HVAC equipment makers are raising prices this October, which could affect what you pay for heating and cooling equipment or repairs in the coming months. The increases mostly run in the 3%-6% range, though a few are higher: Aeris Metals is raising prices on linesets (the tubing connecting indoor and outdoor AC or heat pump units) by an average of 12.9%, and Robertshaw is increasing prices on some products by up to 15%, though it says most of its lineup will stay the same or even drop in price. Other changes include Heat Controller raising prices up to 5% on water-source heat pumps and residential geothermal equipment, Regal Rexnord adding 2.5% on some motors and parts, Western Enterprises adding 3%, tekmar raising prices about 6%, Nailor Industries adding 5%, and Panasonic raising prices 3.7%-4.0% on products affected by tariffs (other Panasonic products are unchanged). Resideo is also adjusting prices on its Honeywell Home air zoning products, though the amount wasn't specified. Most of these changes take effect between October 1 and October 31, 2026. If you're planning a furnace, air conditioner, or heat pump purchase or replacement, these increases suggest equipment costs may tick up this fall, though the impact depends on which brand and parts your contractor uses. Not every product line is affected, and some prices are actually dropping.

ACHR News
industry Oct 7, 2026 82

The Northeast’s reliance on heating oil is turning into a crisis

Heating oil prices have jumped to around $6 a gallon across much of the Northeast, up from the mid-$3 range in February, after the war with Iran disrupted shipping and Ukrainian strikes hit Russian refineries. The National Energy Assistance Directors Association projects home heating costs will rise 50 percent across the region this winter, adding about $878 per household and $3.8 billion overall. More than four million Northeast households use heating oil, and some states, like Vermont and Maine, could see increases as high as 76 percent. If you heat with oil, there aren't many quick fixes. Space heaters and wood stoves are options, but they're inefficient or limited to homes with a fireplace. Switching to a new natural gas furnace costs enough upfront that it could take years to pay off in savings. Weatherizing a home — adding insulation or sealing drafts around windows and doors — can lower bills, and many states offer funding to help cover that kind of work, so it's worth checking what your state provides. Federal heating aid, called LIHEAP, helps low-income households cover fuel bills, but this winter's price spike means the same amount of assistance will buy much less oil. The program has about $4 billion to distribute by November 1, and lawmakers from both parties are pushing the Trump administration to release it faster, though the administration has previously tried to eliminate the program. Massachusetts has already declared a state of emergency, expanding aid to low- and middle-income households and activating price-gouging protections. A milder winter could ease the strain, but for now the outlook for oil-heated homes remains uncertain.

Grist
industry Oct 7, 2026 78

Home Energy Rebates Are Moving Again, But Is the Industry Ready to Deliver?

Two federal rebate programs, called HOMES and HEEHR, are up and running again after a period of uncertainty, giving states money to help homeowners pay for energy upgrades. These rebates can cover work like home energy assessments, insulation, air sealing (sealing gaps that leak heated or cooled air), HVAC upgrades, and heat pumps, which are efficient heating and cooling systems. The bigger question is whether there are enough contractors and trained workers to handle the demand these rebates are expected to create. A recent federal workforce report found that energy efficiency work already employs 2.4 million people nationwide, but expects demand to grow further for HVAC technicians, energy auditors, and related trades as states roll out their rebate programs. If demand outpaces the number of qualified contractors, homeowners could face longer waits, higher costs, or trouble finding someone to do the work, since many home upgrade projects involve multiple systems that need to work together rather than a single simple fix. For a homeowner, this means the rebates themselves may be available, but how smoothly a project gets done could depend on local contractor availability and how well-prepared the workforce is in your area. Since rebate programs and their details vary by state, it is worth checking what your state currently offers under HOMES and HEEHR and what the application and contractor process looks like there before counting on a quick turnaround.

Building Performance Association (BPA)
policy CA Oct 7, 2026 77

California SB 690 Limits Website Privacy Lawsuits Against HVAC Contractors

California has changed a law that affects HVAC companies, not homeowners directly, but it's worth knowing about if you've hired or are researching contractors in the state. Governor Gavin Newsom signed SB 690, which limits lawsuits under the California Invasion of Privacy Act (CIPA), a law originally written to criminalize wiretapping but later stretched to cover website tracking tools like chat boxes, Google Analytics, and Meta Pixel. Businesses, including small HVAC contractors, had been hit with lawsuits claiming these common website features violated customer privacy, with fines sought per website visit rather than per visitor. The new law removes the ability of individuals to sue over this specific type of claim (called pen-register and trap-and-trace violations). Instead, only the state Attorney General can pursue these cases. The change takes effect January 1, 2027, and also applies to similar lawsuits already filed in the two years before that date. It does not affect other parts of the privacy law, such as rules around wiretapping and intercepted communications, so some lawsuit risk remains for businesses. For homeowners, this mainly means fewer frivolous lawsuits distracting or draining smaller HVAC contractors, which could help keep service costs and availability more stable. It doesn't change anything about how your own data is collected when you visit a contractor's website, and it has no connection to equipment rebates, energy upgrades, or installation costs.

ACHR News
policy FL Oct 7, 2026 72

Anna Paulina Luna On Climate & Energy: Where the Candidates Stand

Rep. Anna Paulina Luna, the Republican running to represent Florida's 13th Congressional District, has a voting record that touches on several programs homeowners use for energy upgrades. She voted for the Homeowner Energy Freedom Act, which would eliminate the federal high-efficiency electric home rebate program (HEAR), a training program for energy efficiency contractors, and a grant program that helps states update building energy codes. She also voted for a bill that would weaken appliance efficiency standards and another that repeals energy efficiency requirements for federal buildings. Luna opposes offshore wind development off Florida's coast and has pushed for a federal report on wind energy's downsides. She rejects the scientific consensus on human-caused climate change and has received $128,078 in fossil fuel industry donations, the third-highest amount among Florida's congressional delegation, according to the Center for American Progress. She favors expanding oil and gas production, including restoring leases and reviving the Keystone XL pipeline, and has voted to prioritize fossil fuel power projects over renewable ones in grid planning. She does support nuclear power as a clean baseload source. On electric vehicles, she has voted to roll back tax credits for EVs and charging infrastructure and has sponsored legislation blocking stricter tailpipe emissions rules. Her campaign materials do not address energy affordability specifically. If any of these federal programs or rebates currently factor into your own upgrade plans, it's worth watching how this race and related legislation develop.

Southern Alliance for Clean Energy (SACE)
industry Oct 7, 2026 67

Mixed outlook for energy expenditures this winter

Heating bills this winter will depend a lot on what fuel you use and where you live, according to a new federal forecast. Homes that heat with natural gas should see costs drop about 9% compared to last winter, and propane users can expect a smaller drop of about 3%. That's good news for roughly half of U.S. households, which rely on those two fuels. The picture is less favorable for other homes. The more than 40% of households that heat with electricity are expected to see bills rise about 4%. And if your home uses heating oil, the forecast is for a 21% jump in spending, the largest increase of any fuel. Heating oil is mostly used in the Northeast, and prices for it are expected to climb 34% from last winter, driven by tighter global supply and reduced refining. U.S. inventories of heating oil are running about 11% below their five-year average heading into the season, though forecasters note that milder temperatures in parts of the Northeast could soften the blow somewhat. Weather is also shifting the math. The Northeast is expected to have a warmer winter than last year, while the West is forecast to be much colder after an unusually mild winter in 2025-26. The Midwest and South should see temperatures similar to last year. If you're budgeting for heating costs this season, it's worth factoring in both your main fuel type and how your region's weather outlook compares to last winter.

EIA Today in Energy
technology Oct 7, 2026 57

A New Approach to Makeup Air in Tight Homes

A new product addresses a tricky problem in well-sealed homes: when exhaust fans, range hoods, or several of them running together pull air out of the house, something has to replace it. In a tight home, there aren't enough gaps and cracks for air to sneak back in, so the house can become depressurized. That's a real safety concern if you have a fireplace, woodstove, or an older water heater, boiler, or furnace that vents through a chimney rather than being sealed to the outside — depressurization can pull smoke or combustion fumes back into the house instead of sending them outdoors. Earthcore, known for its Isokern fireplaces, has introduced a system called VMASS (Variable Makeup Air Supply System) as part of its X-Ventiso venting line. It works by measuring the air pressure difference between indoors and outdoors and automatically adjusting how much outdoor air it brings in to make up for what's being exhausted. Instead of relying on someone to remember to crack a window before lighting a fire or running a strong exhaust fan, the system responds on its own as exhaust loads change. If your house has been tightened up through weatherization or air sealing work, and you have a fireplace, woodstove, or fuel-burning appliance that vents through a chimney, this kind of automatic makeup-air control is the sort of equipment worth asking about when you're planning ventilation or combustion-safety upgrades.

Green Building Advisor
industry Oct 7, 2026 56

Smart thermostat aggregator rebrands, launches ‘whole-home’ virtual power plant

The company that runs one of the largest smart thermostat networks in the country, formerly called Renew Home, has renamed itself Everyday Electric and is expanding its program beyond thermostats. The company manages more than 8 million residential smart thermostats as part of what's called a virtual power plant, a setup where utilities tap into many homes' devices at once instead of building new power plants. It just bought a connected-car company, Smartcar, so it can plug electric vehicles into the same system, alongside home batteries and solar panels. For homeowners, this mainly matters if you already have, or are thinking about getting, a smart thermostat, solar panels, a home battery, or an EV. The company's pitch is that linking these devices together through a utility program can earn you savings while also helping keep electricity costs down for everyone, because it reduces the need for utilities to build expensive new power plants. The CEO said the company aims to save customers a combined $5 billion over the next five years, though how much any individual household could get depends on what utility programs are available locally. This is a corporate move, not a new rebate or incentive, so there's nothing to sign up for yet. But it points to a broader trend: utilities and companies increasingly want to combine thermostats, EVs, batteries, and solar into one coordinated system rather than running separate programs for each device. If you already participate in a demand-response or thermostat program through your utility, it's worth watching whether that program evolves to include your other devices.

Utility Dive
industry Oct 7, 2026 55

Kitchen Exhaust Ductwork: The Details That Decide Whether a Job Passes

This piece isn't about home energy upgrades like insulation or heat pumps — it's trade advice for people who install commercial kitchen exhaust systems, the ductwork that vents smoke and grease from restaurant-style cooklines. A veteran sheet metal and ventilation installer explains that these systems rarely fail inspection because of the fan itself. They fail because of smaller details: whether the hood actually captures smoke and grease, whether duct joints are sealed tight enough to stop grease leaking into ceiling spaces, whether access doors exist where someone can actually reach them to clean the duct, whether the duct is sloped properly so grease drains back rather than pooling, and whether fire-rated sealing is installed anywhere the duct passes through a wall or floor meant to stop fire from spreading. The article lists common shortcuts that cause problems: taping joints instead of properly sealing them, screwing through duct walls, using flexible duct on a grease line, running a kitchen with grease filters removed, or boxing in ductwork before testing it with a light to check for leaks. These systems follow safety codes such as NFPA 96 in the U.S. and equivalent standards elsewhere. For a homeowner, this isn't directly relevant unless you own or renovate a space with a commercial-style kitchen hood, such as a restaurant, home with a commercial range, or accessory unit with professional kitchen equipment. It doesn't touch typical residential range hoods, insulation, heating, or rebate programs.

ACHR News
industry CT Oct 7, 2026 54

Connecticut’s solar ambitions hit skepticism from a major utility

Connecticut is trying to add more solar power to its grid, but the state's largest electric utility keeps dragging its feet on signing the contracts needed to make that happen. Last month, Connecticut announced plans to buy 63.4 megawatts of new solar capacity from projects being built in New Hampshire and Maine. But before any of that power actually gets delivered, developers still have to negotiate final contracts with utilities — and that step has been a sticking point. Eversource, Connecticut's biggest utility, has already put off signing contracts for 54 megawatts of solar projects chosen back in December 2025. The company says prices are too high given current uncertainty in the state's energy policy, and it doesn't want to pass steep costs on to customers' bills while that uncertainty remains. A similar large solar deal fell apart in 2024 for the same kind of reason. Eversource says talks are continuing and it hopes to finalize two of the pending contracts, but nothing is settled yet. For homeowners, this is mostly a signal about how much renewable power actually ends up on the grid, rather than something that changes your bill right away. Connecticut has a goal of reaching 100% clean energy by 2040, and solar is supposed to be a big part of that. If utilities keep stalling on these deals, it could slow progress toward that goal and make investors wary of future Connecticut solar projects. State energy officials say they're working closely with utilities and are optimistic, but whether this latest batch of contracts gets signed remains an open question.

Canary Media
case study Oct 7, 2026 54

Foundation Water Management

Wet basements and crawlspaces usually come down to a few preventable causes: poor site drainage, clay soil, high groundwater, heavy rain, and ordinary cracks that form in concrete as it cures. The fix starts outside the house. Grading should slope away from the foundation, and gutters and downspouts need to carry roof water well clear of the walls, since runoff landing close to the house is one of the biggest contributors to a wet basement. On difficult sites, with clay soil, steep slopes, or known flood risk, a more detailed drainage plan from an engineer may be worth the cost up front rather than dealing with water damage later. Below ground, foundation drains, perforated pipe set in gravel, are meant to carry away groundwater before it reaches the basement floor. Just as important is the difference between dampproofing and waterproofing on foundation walls. Dampproofing is the standard black tar coating and is only designed to resist moisture vapor, not bridge the small cracks that naturally form in concrete and block. Waterproofing, a membrane or spray-applied coating, actually seals those cracks and holds up over time. Building codes require waterproofing only where the water table is high, but it is considered worthwhile insurance for any basement that is finished or might be finished later. For your own house, a wet basement is rarely random. It usually traces back to grading, gutters, or how the foundation was originally sealed and drained, and catching it early is far cheaper than repairing water-damaged framing and flooring after the fact.

Fine Homebuilding
industry Oct 7, 2026 48

SMACNA Releases Updated Kitchen Ventilation Standard

An industry group called SMACNA has published an updated standard for commercial kitchen ventilation systems, covering how exhaust hoods and makeup air systems (the fresh air drawn in to replace what's exhausted) are designed and installed in restaurants and other commercial kitchens. This is a technical reference for designers, contractors, and code officials, not something that applies to home kitchens. It aligns with existing food equipment standards and codes, aiming to support fire safety, air quality, and energy performance in commercial settings. SMACNA also released a Spanish-language version of its HVAC Duct Design Guide, a reference covering how ductwork and air distribution systems are engineered. The goal is to make this technical guidance easier to use for Spanish-speaking workers in the field. None of this changes anything for homeowners directly. These are professional standards meant to guide how commercial systems get built and inspected, not residential equipment or rebate programs. If you're planning a home energy upgrade, like a heat pump or duct sealing, this news doesn't affect your options or costs. It's worth knowing about only as a sign that the industry continues refining its technical guidelines, which eventually shapes the training and codes that inform the contractors working on all kinds of HVAC systems, including the ones in homes.

ACHR News
rebates CA Oct 7, 2026 48

California offers up to $100,000 per port for EV fast chargers

California has opened a new round of funding for public EV fast chargers, called the Fast Charge California Project. Starting October 7, businesses, nonprofits, public agencies, and eligible tribes can apply for up to $100,000 per charging port, with at least $28 million available. The money can cover up to 100% of costs, including equipment, installation, planning, and engineering, though per-port limits still apply. Chargers delivering 150 to just under 275 kilowatts qualify for up to $55,000 per port, while those delivering at least 275 kilowatts qualify for up to $100,000. This isn't funding for home chargers. It's aimed at property owners who want to install fast chargers open to the public, and the chargers must be ready to build, meaning utility service plans and permits are already in place. Applications close January 14, 2027, and funded projects in disadvantaged, low-income, and tribal communities get priority. Charging hubs, hotels, and business districts are not eligible site types this round, and at least half the connectors at each site must be a plug type called CCS. For homeowners, this news mainly means more public fast chargers may show up nearby over the next year, which could make owning an electric vehicle more practical if you don't have a place to charge at home. The program is run through California's CALeVIP initiative, which has funded over 10,200 charger installations since 2017. A second application window with incentives up to $55,000 per port opens February 24 through May 27, 2027.

Electrek
technology Oct 7, 2026 47

Q&A: How AI is Affecting Commercial HVAC Systems

This news is about large commercial buildings, not individual houses, but it's worth knowing where heating and cooling technology is headed. Two HVAC industry executives discussed how artificial intelligence is being used to run building heating and cooling systems. Rather than just following fixed temperature settings, AI-based controls can aim for a comfort target that combines temperature and humidity, then choose the most efficient way to reach it. In one example, a company using Johnson Controls' system cut airside energy use by nearly 10 percent at an office building without any comfort complaints from occupants. The executives note that older, simpler equipment, like units that only switch on or off, can't take full advantage of this kind of smart control. Getting real benefit requires equipment with variable-speed parts and more built-in sensors. They also said safety and comfort limits are still enforced by the equipment itself, so the software can't push a system past safe operating ranges or sacrifice comfort just to save energy. For technicians, AI-connected systems can flag unusual equipment behavior before a service visit, giving a clearer idea of what's wrong once they arrive. The people interviewed expect this trend to continue, with building systems coordinating with each other and smart heat pumps becoming a more common alternative to larger commercial cooling setups. None of this changes how a home heating or cooling system works today, but it shows the direction the broader industry is moving.

ACHR News
case study NC Oct 7, 2026 45

NC foodbank goes solar to protect funding for community support

MANNA FoodBank, which serves communities across Western North Carolina and the Qualla Boundary, has finished installing a 514-kW rooftop solar system at its office and warehouse in Mills River. Pisgah Energy did the installation, using SEG panels and SolarEdge inverters, and the system is expected to generate more than 643,000 kWh of electricity a year. The project got support from several sources: a $55,000 donation of solar panel racking from Enstall, help from the Footprint Project, and a $200,000 grant from BuildUS aimed at strengthening energy resilience in rural Western North Carolina. MANNA also used a nonprofit direct pay incentive, a way for tax-exempt organizations to get cash value from clean energy tax credits even though they don't owe income tax. With that funding stacked together, the food bank expects to pay off the system in about 4.5 years. The savings matter because MANNA and its network of more than 300 partner organizations now serve around 220,000 visits a month across 16 counties and the Qualla Boundary, as more families deal with rising costs for housing, food, and utilities. By cutting its own energy bills, the food bank frees up money to spend on sourcing, storing, and distributing food instead. For homeowners, the project is a reminder that the same kind of combined funding, grants, donated equipment, and tax incentives that nonprofits use can also apply to home solar costs, though the specific programs and payback math will differ for a house.

Solar Power World
industry Oct 7, 2026 44

Sunstone Credit launches new commercial financing product for energy projects

A financing company called Sunstone Credit has launched a new loan product, called Flex, for commercial energy projects. It covers things like HVAC systems, roofing, energy efficiency upgrades, and EV chargers. Loans range from $25,000 to $6,000,000, with fixed rates and terms up to 15 years. The product doesn't require a lien on the property, meaning the lender can't place a claim on the building as collateral, and most credit decisions come back in under a week. This is aimed at commercial property owners rather than single-family homeowners. The news specifically mentions multifamily buildings, homeowners associations (HOAs), religious institutions, and nonprofits as eligible customers. If you own or manage one of these kinds of properties, this financing option could be worth asking about when getting quotes for HVAC, roofing, or EV charging work, since it offers a faster, lien-free alternative to a traditional bank loan. For someone in a typical single-family home, this particular product likely doesn't apply directly, since it's built for contractors working on commercial-scale jobs. But it signals that financing options for energy upgrades are expanding beyond solar panels alone, now covering a broader range of building improvements. If you're planning similar upgrades, it's a reminder to compare financing terms, including interest rates, repayment length, and whether a lender requires a lien on your property, across whatever lender or program your contractor offers.

Solar Power World
policy CA Oct 7, 2026 44

California amps up pressure on grid buildouts that take too long

California just passed a law meant to speed up the power lines that carry new clean energy onto the grid. The state needs to add 7 to 8 gigawatts of new power capacity every year for the next two decades to meet its climate goals, roughly double its current pace. But a lot of that growth is stuck waiting on transmission lines, the high-vooltage wires that move electricity from power plants to the grid, that utilities haven't finished building. A state report found nearly 22 gigawatts of solar, wind, and battery projects are tied to transmission upgrades that have already been delayed. The new law, Assembly Bill 2493, requires utilities and independent developers to submit schedules for major transmission projects and creates a new state monitor to track whether they're on schedule. If projects fall behind, regulators can order fixes. The goal isn't to punish utilities but to give everyone, including clean energy developers planning new projects, more visibility into delays before they become a surprise. This is a grid-planning and policy story rather than something that changes what's available to homeowners right now. It doesn't affect rebates, equipment choices, or your electric bill directly. But it's part of the backdrop for how fast California can bring more clean power online, which over time affects electricity costs and reliability across the state. The same wave of legislation also included bills making it easier to connect home batteries, smart thermostats, and EV chargers to the grid, and a new law legalizing plug-in "balcony solar" setup for homes.

Canary Media
policy NC Oct 7, 2026 42

Duke Energy proposal fails to hold data centers accountable in Large Load Tariff settlement

Duke Energy has filed a settlement in a North Carolina rate case that critics say does not do enough to make data centers pay for the grid upgrades needed to serve them. At issue is how utilities handle "large load" customers like data centers, whose massive power needs can require costly new power plants and grid equipment. The worry is that if those customers later scale back or leave the state, regular households and small businesses get stuck paying for infrastructure built on their behalf. The settlement includes a minimum billing charge meant to ensure large customers keep paying over time, but clean energy and consumer advocacy groups, including the Southern Environmental Law Center, Vote Solar, the Southern Alliance for Clean Energy, and the NC Justice Center, argue the protections are too weak. They say the deal would let data centers walk away from grid-upgrade costs by paying as little as 25 percent of what's owed, and it skips the North Carolina Utilities Commission's own earlier proposal to create a separate customer class that would track and bill large users for their actual costs. The groups are also pushing for a "clean transition tariff," which would let large companies pay directly for new solar, batteries, and grid upgrades to meet their own power needs, rather than relying on utility-built infrastructure billed to everyone. They argue this could ease pressure on household electric bills while reducing pollution. The utilities commission has not yet ruled on the settlement, so the outcome for North Carolina electricity customers is still undecided.

Southern Alliance for Clean Energy (SACE)
case study Oct 7, 2026 38

Coating System Extends Life of Corroding Air Supply Units by 10 Years

An automaker found a way to stretch the life of rooftop air supply units that were rusting, rather than replacing them right away. The equipment, made of galvanized steel, had started corroding after years of exposure to moisture and other elements. Instead of swapping out more than 100 units, the company had them treated with a three-step coating process: a rust-converting primer on spots where corrosion had already set in, an adhesion primer on steel that was still in good shape, and a final waterproof epoxy topcoat. The treatment is reported to have added about 10 years of service life to the units, letting the automaker put off a costly replacement project. This is an industrial case study, not a residential product, so it doesn't translate into a rebate or purchase for your house. But the underlying idea applies to home equipment too: rooftop or outdoor metal components, like ductwork, vents, or an outdoor condenser, can corrode over time from moisture and weather exposure. Catching rust early and treating it, rather than waiting until it fails, can sometimes delay the need for full replacement. If you notice corrosion on metal HVAC parts at your own home, it's worth having it looked at sooner rather than later, since early treatment tends to leave more options open than waiting until the damage is severe.

ACHR News
policy Oct 7, 2026 38

My Testimony Opposing the EPA’s Proposal to Stop Regulating Power Plant Global Warming Pollution

The EPA is proposing to give up its authority to regulate climate-warming pollution from power plants under the Clean Air Act. This would reverse decades of federal oversight of emissions from coal- and gas-fired plants, which are the country's largest stationary source of heat-trapping pollution. The move follows the agency's recent repeal of power plant carbon standards, a rollback of fuel economy standards for vehicles, and an earlier repeal of the "endangerment finding," the scientific determination that greenhouse gases harm public health. At a public hearing last week, a climate program director from the Union of Concerned Scientists testified against the proposal, joined by public health and environmental groups and parents concerned about children's health. The testimony argued the rollback contradicts established science on climate harms and ignores a Supreme Court ruling that upheld the EPA's authority to regulate greenhouse gases. It also pointed to rising costs already hitting homeowners, including higher insurance premiums linked to climate-fueled disasters like floods and wildfires. This proposal does not change any current rebate programs or upgrade incentives for your home. But it signals a broader shift in federal climate policy that could affect electricity generation, emissions rules, and related costs over time. The public comment period on this EPA proposal runs through November 2, 2026, for anyone who wants to weigh in before a final decision is made.

Union of Concerned Scientists
industry Oct 7, 2026 37

High defect rates drag down solar performance and yield, finds report

A new report on solar system quality found widespread problems in how solar panel projects get built, though the findings mostly concern larger commercial and utility-scale installations rather than typical home rooftop systems. Solar inspection firm HelioVolta reviewed nearly 8 GW of solar projects across the U.S. and Puerto Rico and found that 87% had major issues needing urgent fixes, and 8% had critical problems serious enough to require shutting the system down immediately. Poorly built systems can cost more than 20% more over their lifetime and face three times the repair costs compared to well-built ones. The report breaks down problems by system type. Rooftop solar, the kind most common on homes and commercial buildings, makes up most of the projects inspected. Commercial rooftop systems had major issues in 88% of cases, with heat-related problems (detected through thermal imaging) showing up in 43% of systems. Ground-mounted systems fared somewhat better, with issues more often tied to grounding and wiring connections. Solar tracker systems, which tilt to follow the sun and are mostly used in large commercial arrays, had the worst record overall, with mechanical wear making existing defects worse over time. For homeowners, the main takeaway is less about your own rooftop panels and more a reminder that solar quality varies a lot depending on how carefully a system was installed and inspected. The report highlighted two standout projects, a rooftop array in California and a ground-mounted system built for a homeowners association, as examples of what careful workmanship looks like, including clean wiring, labeled components, and proper torque on connections.

PV Magazine USA
technology Oct 7, 2026 35

Snow & Ice Buster Shields Heat Pumps From Winter Weather

A new product called the Snow & Ice Buster is designed to protect the outdoor unit of a heat pump from winter weather. Made by LaCroix Industries, it shields the unit from rain, snow, and ice runoff coming off trees and roofs, which can build up around the equipment during storms. A heat pump is a system that both heats and cools a home by moving heat rather than burning fuel, and its outdoor unit sits exposed to the elements year-round, so runoff and ice buildup can be a real problem in snowy climates. The cover is made of aluminum with a powder coating matched to the unit's color, and it's custom-fit so it installs without drilling holes. It attaches magnetically, which should make it simple to put on and take off, and it includes sound-deadening material built in, along with welded seams for durability. The company says it fits outdoor units from several major heat pump brands, including Mitsubishi Electric, LG, Bosch, Carrier, Daikin, and Midea. If you have a heat pump and live somewhere with heavy snow or icy roof runoff, this is the kind of accessory that might be worth looking into to protect the outdoor unit over the winter months.

ACHR News
industry IL Oct 7, 2026 35

A Data Center Moratorium Is Not an Economic Development Plan

Several central Illinois towns, including Mattoon and Charleston, have put temporary holds on new data center projects while residents raise concerns about noise, water use, and strain on the electrical grid. This piece argues those pauses should be used to set rules for how data centers get built nearby, rather than simply blocking them. For homeowners, this matters because large data centers can reshape local utility costs and infrastructure. The piece points to possible fixes for common complaints: noise limits and distance requirements for neighbors, dry-cooling equipment that cuts how much water a facility uses, and waste-heat recovery, where the heat these computing centers generate gets piped to nearby buildings instead of wasted. Eastern Illinois University's existing steam heating system is mentioned as a possible example of infrastructure that could eventually tap into that leftover heat. The piece also notes that a major data center project would bring work to local mechanical contractors and fabricators, meaning construction workers and their spending could flow into nearby restaurants and housing markets. There's no specific rebate, deadline, or program mentioned here that affects your utility bill or home upgrade plans directly. If you live in one of these communities, the practical takeaway is that decisions being made now about data center rules could affect local electricity rates, water infrastructure, and growth in the years ahead, so it's worth paying attention to what your town's moratorium actually decides.

ACHR News
industry Oct 7, 2026 32

The Data Is Out There. How Do We Make It Useful for LEED v5?

This news is about a tool for large commercial building projects, not something that applies directly to a single house. It is worth knowing about mainly as background on how green building standards are evolving. LEED is a widely used rating system for certifying that buildings meet certain sustainability standards. Its newest version, LEED v5, asks large construction and renovation projects to do early assessments of climate risk (things like flooding, extreme heat, wildfire, and storms), community impact, and carbon emissions before design work moves forward. Pulling together the public data needed for these assessments, from sources like FEMA flood maps, NOAA climate data, and Census records, has been a slow, scattered process for project teams. A company called Green Badger has built a free tool, Site Signal, that automatically gathers this public data for a project address and fills in draft LEED v5 planning worksheets. It does not replace judgment or expertise, but it saves time by organizing the raw numbers and flagging what still needs a closer look. For a homeowner, this does not change anything about rebates, upgrades, or your own energy bills. It is relevant mostly if you are curious about how commercial and institutional buildings are being pushed to plan for climate risks and carbon footprint earlier in the design process, which is the direction building standards are heading more broadly.

US Green Building Council (USGBC)
industry Oct 7, 2026 32

At Yotta, not a word on slowing down the AI infrastructure build-out

This is industry news about how AI data centers get their power, and it has little to do with home energy upgrades. The short version: the companies building massive data centers for AI are increasingly turning to natural gas, not solar, wind, or batteries, to meet their huge and urgent power needs. Despite talk of a slowdown, forecasts for data center electricity demand have actually gone up. Goldman Sachs raised its 2026 forecast to 64 gigawatts of new U.S. data center capacity, and McKinsey expects about 17 gigawatts added each year through 2030. Data centers want power that is available around the clock and fast to build, and gas can deliver that in ways solar and wind farms often cannot, partly because renewables need huge amounts of land and battery storage to match gas's reliability. Federal permitting delays for wind and solar projects are adding to the shift toward gas. Meanwhile, batteries for storing power are seen as the technology that could eventually make renewables more competitive for this kind of heavy, constant demand. Away from data centers, the broader shift toward clean power is still moving forward. Utilities across the country still plan to meet most of their new electricity needs through 2035 with solar, wind, and storage rather than gas. None of this changes available rebates or incentives for home energy upgrades, but it is a sign that demand for electricity, and competition for power generation, is rising quickly as AI infrastructure expands.

Latitude Media
industry Oct 7, 2026 32

Fall Prime Day 2026 Green Deals: EVs, power stations, electric tools, smart devices, and much more

This is a roundup of Amazon's Fall Prime Big Deal Days sales, and it covers a lot of ground that doesn't touch most homeowners' energy upgrade plans. Most of the article is general electronics discounts — phones, laptops, headphones, TVs, gaming gear, and apparel — which have nothing to do with home energy efficiency. That said, a few categories are worth a glance if you're already thinking about home upgrades. Portable power stations from brands like Anker, EcoFlow, Jackery, and Bluetti are discounted, with some models large enough to back up parts of a home during an outage (Anker's SOLIX E10 whole-home backup system starts around $3,799, and several bigger units in the 3,000+ watt-hour range are also marked down). There are also deals on electric, battery-powered yard tools — mowers, trimmers, blowers, pressure washers — from Greenworks, Worx, EGO, and others, which fall under the broader shift away from gas-powered equipment. Robot lawn mowers from Segway, ECOVACS, and Roborock are discounted too. On the smart home side, there are deals on smart water controllers and timers (Eve, Meross) that can help manage irrigation, plus smart plugs and outdoor lighting. None of this is tied to any rebate program or efficiency incentive — it's just retail discounting during Amazon's sales event, so treat it as ordinary shopping rather than part of any energy-upgrade program.

Electrek
case study MI Oct 7, 2026 31

Garage attic drywall over OSB

A homeowner in Grand Rapids, Michigan posted a question on a building-science forum about an unfinished attic space above an insulated but unheated garage. The attic has exposed OSB sheathing (the plywood-like board under a roof), ridge vents, and soffit vents, and the rafters are walkable. The homeowner is considering adding drywall directly over the OSB and has gotten conflicting opinions on whether that's a good idea, particularly whether it could trap moisture and lead to mold since there's no heated living space nearby. At the time this was posted, no one had answered yet, so there's no expert guidance to pass along. This is really a reminder of a common question for anyone with an attached garage that has an attic or roof space above it: adding finishes like drywall to an unconditioned, vented attic changes how air and moisture move through that space, and getting it wrong can create condensation problems on the underside of the roof sheathing. If you have a similar unheated garage attic with ridge and soffit vents, it's worth understanding how your own setup handles moisture before adding drywall or any other interior finish up there. Venting, insulation placement, and whether the space stays unconditioned all affect whether trapped moisture becomes an issue. A local energy auditor or building-science-savvy contractor can look at your specific vents, insulation, and climate to confirm whether drywalling over bare sheathing in a space like this is safe for your house.

Green Building Advisor