SolarCity Corporation (SolarCity) sells renewable energy. The Company integrates the sales, engineering, installation, monitoring, maintenance and financing of its distributed solar energy systems. It offers long-term energy solutions to residential, commercial and government customers. It offers its customers the option to either purchase and own solar energy systems or to purchase the energy that its solar energy systems produce through various contractual arrangements. The Company's products, services and technologies include solar energy systems, customer agreements, grid control / energy storage systems, Zep solar mounting systems and software. The Company's wholly owned subsidiary, Zep Solar, Inc. (Zep Solar) licenses its Zep Groove technology to photovoltaic module and power electronics manufacturers, and supplies the Company with complementary mounting and grounding hardware. The Company served customers in 15 states and the District of Columbia, United States.