The Center for Energy Efficiency and Renewable Technologies (CEERT) is a partnership of major environmental groups and private-sector clean energy companies. CEERT designs and fights for policies that promote global warming solutions and increased reliance on clean, renewable energy sources for California and the West.

CEERT is a nonprofit public-benefit organization founded in 1990 and based in Sacramento, California. Its team of professional staff, board members, and affiliates includes scientists, attorneys, economists, policy experts, public-interest advocates, and green-technology entrepreneurs. CEERT carries out technical, policy-making, and policy-implementing work through advocacy programs that focus on key renewable-energy development issues. CEERT is active as participants and intervenors before the full spectrum of federal, state, regional and local energy agencies.