How to cancel Green Mountain Energy Company

If you are moving house and want to transfer or stop your energy service with Green Mountain Energy Company:

  1. Call customer service on 800-286-5856.
  2. Ask to speak with a representative.
  3. Provide them with your account number and customer details.
  4. Request cancellation of your energy contract and recurring payments where applicable.
  5. You will receive a confirmation letter or email.

Note: You need to provide 30 days notice or you might be charged a cancellation fee.


To cancel over the phone, call: 1-800-286-5856
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