Sunrun dominates home solar plus storage in the U.S. Headquartered in San Francisco, it powers rooftop solar with batteries for homes.
Recent data shows a sharp rise in home battery installations across several states, driven by high electricity prices and policies that reward rooftop solar plus storage. Utilities and tech firms see these distributed assets powering a future grid and supporting data centers, AI workloads, and virtual power plants. Major players are expanding partnerships to coordinate thousands of home batteries for grid needs.