Directory information, not recipient confirmation. Fax numbers can change and differ by department, location, form, or plan. Confirm this destination directly with Reliant Energy before sending sensitive documents. FaxFlow is not affiliated with this organization.
Reliant Energy fax number
(800) 711-5114
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.
Review official form instructionsSources and verification
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