Real Goods Solar, Inc. is a residential and commercial solar energy engineering, procurement and construction company. The Company operates through three segments: Residential, which is engaged in the installation of solar energy systems for homeowners, including lease financing thereof, and for small businesses (small commercial) in the continental United States; Sunetric, which is engaged in the installation of solar energy systems for both homeowners and business owners (commercial) in Hawaii, and Other, which includes retail and corporate operations. It designs and offers solar energy solution, then procure, permit, install and interconnect the system to the utility grid. Its turnkey services include design, procurement, permitting, build-out, grid connection, financing referrals and warranty and customer satisfaction activities. Its solar energy systems use solar photovoltaic modules.