Public Service Enterprise Group (PSEG) is a publicly traded diversified energy company headquartered in Newark, New Jersey. PSEG operates primarily in the Northeastern and Mid-Atlantic United States. The company's largest subsidiary is Public Service Electric and Gas Company (PSE&G), a regulated utility providing electric and gas service in New Jersey. PSEG Power, another subsidiary, is a merchant power generation company that owns and operates power plants in several states. PSEG Long Island provides electric service to the Long Island Power Authority (LIPA) and PSEG Energy Resources & Trade is a wholesale energy supply company. PSEG is committed to providing safe, reliable, economic, and greener energy to its customers.