Questions about thousands of customers, who went months without bills from National Grid this winter, got Massachusetts state regulators to crack down.

The Department of Public Utilities is ordering National Grid to refund or not charge customers for late bills.

The state is ordering National Grid to fix "severe billing errors" affecting thousands of its gas customers in Massachusetts.

The repeated problems at National Grid paint a picture of a utility company where customer service is in ... Simmoneau's extensive reporting on consumer frustration with all of the state's providers.

The company failed to send timely bills to the tens of thousands of customers this winter due to an issue in its customer billing system. That means many will see those charges waived.

See reviews below to learn more or submit your own review. National Grid has delivered electricity and natural gas services to the northeastern United States and the United Kingdom since the 1990s.