Main Office

Green Mountain Power 163 Acorn Lane Colchester, VT 05446 1-888-835-4672

Office hours Mon to Fri, 8 a.m. – 5 p.m.
We are closed on major holidays, the day after Thanksgiving and Christmas Eve

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If you are contacting us about a current account, please include the address where service is provided, the account number and the name on the account. This will help us respond faster.

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Convenience means an easy and obvious place to log in to your account.

Click on the “Log in” button to your right to access all of your account information. To register your account, you will need a username, password, email address, and account number and password. To log in, you just need your username and password.

Green Mountain Power

Latest GMP News

GMP offers presentation on "Winter in Vermont: Challenges and Opportunities"

Tue, 24 Feb 2015 15:33:26 GMT

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GMP Launches New App For Customers

Tue, 03 Feb 2015 16:56:28 GMT

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