Community Choice Aggregation, abbreviated
CCA, is a system adopted into law in the United States states of
Massachusetts,
New York,
Ohio,
California,
New Jersey,
Rhode Island, and
Illinois, which allows cities and counties to aggregate the buying power of individual customers within a defined jurisdiction in order to secure alternative energy supply contracts on a community-wide basis, but allowing consumers not wishing to participate to opt out. Also known as
municipal aggregation,
governmental aggregation,
electricity aggregation, and
community aggregation, CCAs now serve nearly 5% of Americans in over 1300 municipalities as of 2014. CCA's are
de facto public utilities of a new form that aggregate regional energy demand and negotiate with competitive suppliers and developers, rather than the traditional utility business model based on monopolizing energy supply.