Sunrun

Sunrun Inc. is a prominent residential solar, energy storage, and energy services company based in San Francisco, California. Founded in 2007, Sunrun pioneered the solar-as-a-service model, allowing homeowners to adopt clean energy through subscription plans with minimal upfront costs. The company went public in 2015 and expanded its market presence by acquiring Vivint Solar in 2020. As of 2024, Sunrun operates in 22 states, Washington D.C., and Puerto Rico, serving over 760,000 customers with a workforce of more than 11,000 employees. Sunrun designs, installs, and maintains rooftop solar panels, managing all aspects of permitting and utility interconnections. The company offers energy storage solutions through its BrightBox system, which combines solar energy with smart inverter technology and home battery storage. Sunrun's subscription models, including leases and power purchase agreements, provide customers with predictable energy pricing. Additionally, the company collaborates with utilities and municipalities to enhance grid stability and promote renewable energy access. As the largest U.S. residential solar provider, Sunrun continues to focus on expanding its offerings to support electrification and decarbonization efforts.