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

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Community Giving

We want to help.

GMP is not just about providing electricity. We recognize that to be the best small utility in America we must support the communities we serve with material, financial, and volunteer resources. We continually work with our customers and employees to help organizations help their communities. In particular, GMP supports programs and organizations that engage in environmental stewardship, community health and safety, education and children's programs.

If you are a community group seeking volunteers or donated materials, please send an email to If you are seeking a financial contribution, please fill out our Community Giving Application and email it to

Please note that applications for financial contributions are reviewed and awarded on a bimonthly basis. Awards given are usually under $1000. Applications must be received by GMP no later than 5 p.m. on the last day of business in February, April, June, August, October, and December.