Eversource Energy formerly known as Northeast Utilities is a publicly traded, Fortune 500 energy company, with several regulated subsidiaries offering retail electricity and natural gas service to more than 3.6 million customers in Connecticut, Massachusetts and New Hampshire.
Following its 2012 merger with Boston-based NSTAR, NU has more than 4,270 circuit miles of electric transmission lines, 72,000 pole miles of distribution lines, and 6,459 miles of natural gas pipeline in New England.
All Contacts
Here are all the ways to contact Eversource Energy customer support, added by users like you. Some offer better help than others, click for details about customer service and more.
Displaying total of 6 customer service contacts.| Customer Service Contacts | Department | Region | |
|---|---|---|---|
| 800-989-0900Toll free | Residential Gas | Connecticut | view |
| 800-286-2000Toll free | Residential Electricity | Connecticut | view |
| 800-592-2000Toll free | Residential Electricity | East Massachusetts | view |
| 800-662-7764Toll free | Residential Electricity | New Hampshire | view |
| https://www.eversource.com | Customer Service | USA | view |
| 877-659-6326Toll free | Residential Electricity | West Massachusetts | view |