Summary Public Service Enterprise Group is the holding company for a regulated utility (PSE&G), a merchant power generation owner (PSEG Power), and an energy investment firm (PSEG Enterprise). PSE&G provides regulated gas and electricity delivery services in New Jersey to a combined 4 million customers. PSEG Power owns and operates merchant power plants in the Mid-Atlantic, New York, and the Northeast. Energy Holdings invests in energy-related assets worldwide. PSEG also operates the Long Island Power Authority system. Subscribe to Yahoo Finance Plus Essential for full access Exclusive reports, detailed company profiles, and best-in-class trade insights to take your portfolio to the next levelTry it Free