Microgrids must push beyond pilots, into everyday grid operations: panel

Utility industry experts are pushing to use microgrids for more than emergency backup power. A microgrid is a local energy system, often combining solar panels, batteries, and other small-scale power sources, that can either connect to the main power grid or run on its own. At a recent energy conference, researchers from the Electric Power Research Institute argued that since the main grid is usually working fine, these local systems should also help utilities manage everyday issues like peak demand and voltage problems, not just sit idle waiting for outages.

Right now, that is hard to do because every microgrid project is built differently, with its own mix of equipment and controls. Utilities like New Mexico's Public Service Co. say this lack of standardization makes it slower and more complicated to connect these systems to the grid. Researchers at Sandia National Laboratories are building test facilities to stress-test the equipment, checking how it holds up against faults, cyberattacks, and other strains, so utilities can trust standardized designs instead of treating each project as custom work.

For a homeowner, this is mostly background on how the power grid is evolving, not something with an immediate rebate or upgrade to act on. But it points to a longer-term shift, in which home solar, batteries, and other local energy resources could increasingly be tapped by utilities as everyday grid assets rather than just backup power, potentially opening the door to new incentives or programs for homeowners with their own solar and storage systems.