Texas

The Texas Customer Service agents for Green Mountain Energy are committed to getting the answers you need as quickly as possible. 

Please remember that My Account is always available online. Our Green Mountain App is another convenient tool for managing your account needs. Payment assistance options can be found here.

New Residential Customers

If you’re ready to help us inspire hope and motivate action through the use of clean energy, and you’ve never had an account with us before, join our community now!

Sign up for new service online!

Call: 1-833-561-6993
Hours: 24/7 
 

Existing Customers

Thanks for being part of the Green Mountan Energy Community! You can contact us 24/7 by:

Phone

Call: 1-866-785-4668
Hours: 24/7

If your schedule is flexible, call during these typically low call volume times to minimize your wait: Wed 11:30 a.m. – 6 p.m. | Thu and Fri 11:30 a.m. – 8 p.m.

Online Chat

Get help online from a live agent.
Hours: 24/7

Email

Have a question or feedback? We’re here to help! Just give us a few details, and we’ll reply within 48 hours (or 2 business days).

Moving

If you’re a current Green Mountain Energy customer, you can transfer your service to a new address in My Account. To disconnect your service, call Customer Service 24/7 at 1-866-785-4668.

Lights Out?

If you experience a power outage, please contact your local utility company (also known as the TDSP) for assistance:

• Oncor: 1-888-313-4747
• CenterPoint: 1-800-332-7143
• AEP–Texas Central Company: 1-866-223-8508
• AEP–Texas North Company: 1-866-223-8508
• Sharyland Utilities: 1-800-442-8688
• Texas New Mexico Power: 1-888-866-7456