Westchester Power (Community Choice Aggregation, a/k/a CCA) is a community-based bulk energy purchasing program intended to lower costs and increase the use of renewable energy in Westchester County. Westchester Power is a program initiated and implemented by Sustainable Westchester Inc. on behalf of member municipalities that have chosen to participate in the program.Sustainable Westchester is a non-profit organization that serves the interests of its member cities, towns and villages. Westchester Power provides residents and small business electric customers a locally chosen alternative to the state-mandated utility—Con Edison or NYSEG—for energy supply. Westchester Power represents the best interests of consumers by providing choices for lower, fixed prices and cleaner energy.