Sunrun Inc. is a prominent American company focused on residential solar energy systems and battery energy storage products. Founded in 2007 in San Francisco, California, Sunrun introduced the solar-as-a-service model, allowing homeowners to access clean solar energy with little to no upfront cost. The company installs and maintains photovoltaic solar systems on homes, selling the generated power through long-term agreements, typically lasting 20 to 25 years.

Sunrun offers a range of products and services, including residential solar panel installation, battery energy storage systems, electric vehicle charging solutions, and virtual power plants. The company serves residential customers across 22 U.S. states, Washington D.C., and Puerto Rico, with over 760,000 households benefiting from its services. Sunrun has installed approximately 5.7 gigawatts of solar capacity, including 990 megawatts in 2023. The company is committed to making solar energy accessible and affordable while continuously innovating to promote clean energy adoption nationwide.