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Reliant Energy fax number
(800) 711-5114
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New service start / account onboarding
Used for: Used to submit documentation for starting Reliant Energy service. Specifically, you fax a copy of one of the required identifications to 1-800-711-5114 with a cover sheet that includes your Reliant account number, name on the account, service address, and a contact phone number (processing takes about one business day).
Fax destination details
- Department
- New service start / account onboarding
- Purpose
- Used to submit documentation for starting Reliant Energy service. Specifically, you fax a copy of one of the required identifications to 1-800-711-5114 with a cover sheet that includes your Reliant account number, name on the account, service address, and a contact phone number (processing takes about one business day).
- Address
- Reliant service-start mailing address: P.O. Box 3765, Houston, TX 77253-3765
- Voice phone
- 713-207-7777; 866-222-7100
- Website
- Visit organization website
Before you send
- Confirm that this exact department handles your document or request.
- Check the organization website or call its main line for the current fax number.
- Include a cover sheet and any case, member, claim, or form reference required.
- Keep the delivery confirmation with your submission records.
Fax a copy of your identification (as listed on the signup page) to 1-800-711-5114 with a cover sheet including: (1) your Reliant account number, (2) name on the account, (3) service address, (4) contact phone number. Allow one business day for processing.
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