Edison Mission Energy is an independent power producer engaged in the business of owning or leasing, operating and selling energy from electric power generation facilities. EME also conducts price risk management and energy trading activities. It is a subsidiary of Edison International and operates a location in Washington, D.C. Based in Rosemead, Calif., Edison International is the parent company of Southern California Edison, Edison Mission Group and Edison Capital. Edison International, through its subsidiaries, is an electric power generator and distributor, and an investor in infrastructure and renewable energy projects. It trades on the New York Stock Exchange under the symbol EIX. The company operates in regulated and non-regulated markets with a power generation portfolio of approximately 14,000 megawatts..