SunRun, Inc. engages in the design, development, installation, sale, ownership and maintenance of residential solar energy systems. The company is headquartered in San Francisco, California and currently employs 4,400 full-time employees. The firm is engaged in providing solar energy services and products to its customers. As of December 31, 2016, it operated a fleet of residential solar energy systems in the United States, with approximately 134,000 customers across 16 states, as well as the District of Columbia. The firm sells to homeowners over the phone, in the field through canvassing and in-home sales and through retail sales channels through its strategic partners. The solar service offerings are provided through its lease and power purchase agreements. The company sells solar service offerings and installs solar energy systems for homeowners through its direct-to-consumer channel. The company sells solar energy systems to homeowners, as well as related products, such as solar panels, inverters, racking systems and other solar-related equipment to resellers.