SolarCity Corporation is a United States-based solar provider. The Company is primarily engaged in the design, manufacture, installation and sale or lease of solar energy systems to residential and commercial customers, or sale of electricity generated by solar energy systems to customers. It operates through solar energy products and services segment. It integrates the sales, engineering, manufacturing, installation, monitoring, maintenance and financing of its distributed solar energy systems. 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. It installs solar energy system at its customer's premises and charge the customer a monthly fee for the power that its system produces. Its products, services and technologies include solar energy systems, customer agreements, grid control/energy storage systems, Zep Solar mounting systems and software.