How do I contact Green Mountain Energy?
Online Support
If you need help more quickly, please call us at 866-785-4668. We're available daily from 7 am to 10 pm CST.
How do I cancel my Green Mountain Energy Service?
How to cancel Green Mountain Energy Company
- Call customer service on 800-286-5856.
- Ask to speak with a representative.
- Provide them with your account number and customer details.
- Request cancellation of your energy contract and recurring payments where applicable.
- You will receive a confirmation letter or email.
Where can I pay Green Mountain Energy Bill?
Pay by Mail
Return payment and the receipt enclosed with the bill to: P.O. Box 660305, Dallas, TX 75266-0305.
Where is Green Mountain Energy located?