Clean energy offers least-cost path to meeting electricity demand, says report

Electricity demand is expected to grow sharply by 2030, driven by data centers, industrial growth, and more homes and businesses switching to electric equipment. A new report from the think tank Electricity and Energy Innovation looked at two ways the country could meet that demand: leaning more on fossil fuels, or leaning more on solar and wind. It found the clean energy path is cheaper, saving $5.1 billion a year by 2030 compared with a fossil-fuel-heavy approach, mainly by avoiding fuel costs and the upkeep of old, inefficient power plants. If fossil fuel prices spike the way they did in 2022, after Russia invaded Ukraine, the savings from going clean would be even larger, since gas and coal prices swing much more than the cost of running solar and wind.

The report also found these savings hold up even if the expected surge in demand (from things like data centers) doesn't fully materialize. And using seven years of hourly weather data, researchers found clean energy could reliably cover electricity needs without gaps, even without constant sunshine or wind.

For homeowners, this doesn't change anything immediately, but it points to where the grid is heading: more solar and wind, and potentially more stable electricity costs over time if utilities and states follow this path. The report also flags things some states are already doing, like streamlining permitting (Illinois) and making better use of existing power line connections (Indiana), which can affect how quickly new clean energy gets built near you.