Sunrun is an American provider of photovoltaic systems and battery energy storage products, primarily for residential customers. The company was established in 2007 and is headquartered in San Francisco, California. In 2021, the company installed solar systems capable of generating 792 megawatts of power, and in the history of the company, had installed a total of 4.68 gigawatts of power for over 660 thousand customers.