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 installs solar energy system at its customer�s premises and charge the customer a monthly fee for the power that its system produces. The Company�s wholly owned subsidiary 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 serves customers in 14 states and the District of Columbia, United States.