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Latest Report EEI ESG Initiative Environmental, social and governance initiatives are integrated into the policies and principles that govern our company and reflect our commitment to sustainable growth.

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Register Today Eversource Hartford Marathon & Half Marathon Join us for the 25th running of the Eversource Marathon & Half Marathon on Saturday, October 13.

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Investor Relations 2017 Annual Report Take a look back at the outstanding year Eversource had progressing towards our goal of being the best energy company in the nation.

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Proxy Filing Proposal to Acquire Connecticut Water Eversource urges Connecticut Water shareholders to vote against the merger with SJW.

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Newsweek Rankings Eversource Recognized As a Top Green Company Newsweek's 2017 Green Rankings named Eversource the 20th greenest among the 500 largest publicly traded companies in the U.S.

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Contractors, Suppliers & More Doing Business with Us A special section of our website with information for builders, contractors, suppliers, landlords, municipal officials, real estate inquiries and more.

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Help With ZIP Codes

To provide you with the best experience possible and ensure we are presenting the correct information to you, our website requires customers enter a ZIP code for their service address.

Example ZIP codes from across our service territory are provided below. You can also visit the U.S. Postal Service's website to look-up a specific ZIP code.

Connecticut – Electric & Gas: 06901
Connecticut – Electric Only: 06101
Connecticut – Gas Only: 06859
New Hampshire – Electric: 03101
Eastern Massachusetts – Electric & Gas: 02090
Eastern Massachusetts – Electric Only: 02115
Eastern Massachusetts – Gas Only: 01603
Western Massachusetts – Electric: 01101

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