CESC is a 501 (c) 3 community-based organization (CBO) that has delivered energy, environmental and home repair services in the Bay Area since 1986. Originally created by the City of Berkeley, the City Council made CESC independent in July 2008.  Over the past 23 years, CESC has offered services to residents and businesses that include energy efficiency audits and installations, project management for lighting and refrigeration retrofits, housing repairs and rehabilitation, solar technical and informational services, and improvements to residences designed to eliminate asthma triggers. 

CESC is a member of East Bay Energy Watch, and Marin Energy Watch,--coalitions of local governments, CBOs and PG&E. The coalitions provide strategic energy and environmental services in pursuit of local policies to reduce carbon emissions and promote resource conservation. CESC coordinates its efforts in local communities with organizations like Rebuilding Together, Center for Independent Living, Rising Sun Energy Services and the East Bay's Green Corridor.