National Grid Gas Information

National Grid is the gas service provider for the Town of Watertown.

Report a Gas Emergency: 1-800-233-5325

Customer Support: 1-800-732-3400

New Gas Service: 1-877-696-4743

Credit and Collections: 1-800-732-3400

Claims (Insurance): 1-781-907-3930

Home Energy Audit: 1-800-632-8300

MassSave: 1-877-378-2748

Report a Suspected Energy Theft: 1-800-233-5325