How much does pseg pay? Tell us about you and get an estimated calculation of how much you should be earning and insight into your career options. How much does PSEG in the United States pay? The average PSEG salary ranges from approximately $47,681 per year for Customer Service Representative to $171,015 per year for Principal Software Engineer.Is pseg gas or electric? PSEG, A Leading Energy Provider. PSEG was founded more than 100 years ago in New Jersey by combining 400 gas, electric and transportation companies. In 1948, PSEG expanded, adding the Public Service Electric and Gas Company, also known as PSE&G, to its utility family.How to pay pseg online? Pay by Credit or Debit Card Along with your card, please have your PSEG Long Island Customer ID or account number ready. Pay Online or call 1-888-608-6669 to make a payment. *This will take you to the secure website of our payment partner, Speedpay®, an ACI Worldwide company.What is national grid customer service number? The phone number to reach National Grid's customer service department is 1-800-642-4272. National Grid's customer service hours are from 7:00 a.m. to 7:00 p.m., Monday through Friday.