Public Service Enterprise Group is the holding company for a regulated utility (PSE&G) and other nonregulated businesses such as nuclear power generation and clean energy projects. PSE&G provides regulated gas and electricity delivery services in New Jersey to a combined 4.2 million customers. Public Service Enterprise Group also operates the Long Island Power Authority system. In 2022, the company sold its gas and oil power plants in the mid-Atlantic, New York, and the Northeast.