Oncor Electric Delivery

• Oncor's solar steps are an installer application, Oncor's review, a signed interconnection agreement, and a permission-to-operate letter to the customer and the installer.

  Oncor Electric DeliveryThinking about solar (residential and small commercial)Checked September 28, 2026. Knowledge base oncor-001.

• After permission to operate, Oncor programs the meter to measure surplus generation and sends that meter information to the retail electric provider.

  Oncor Electric DeliveryThinking about solar (residential and small commercial)Checked September 28, 2026. Knowledge base oncor-002.

• CenterPoint Energy, Oncor, TNMP, and AEP Texas are investor-owned utilities that operate the poles and wires, and the PUCT sets their delivery rates.

  Public Utility Commission of TexasGuide to the Electric Rate Case Process for Investor-owned Utilities inside ERCOTChecked September 28, 2026. Knowledge base statewide-puct-002.

• Those delivery utilities charge delivery rates to the retail electric provider, and the charges are passed through on the customer's bill.

  Public Utility Commission of TexasGuide to the Electric Rate Case Process for Investor-owned Utilities inside ERCOTChecked September 28, 2026. Knowledge base statewide-puct-003.

• The 2024 EIA-861 delivery file lists Oncor Electric Delivery Company LLC as an investor-owned delivery utility in Texas, balancing authority ERCO.

  U.S. Energy Information AdministrationForm EIA-861 2024 final data filesChecked September 28, 2026. Knowledge base oncor-eia-delivery-001.

The customer-count workbook behind the directory is Form EIA-861. Counts are not repeated on this page.