Transmission Facility Connection Requirements
The following documents provide facility connection requirements for Retail customers, generating plants, and electric utilities (investor owned, rural electric cooperatives, river authorities, and municipal electric utilities) establishing interconnections with the Oncor transmission system (69 kV, 138 kV, and 345 kV):
- Retail Customer – Oncor Standard 500-251 (PDF)
- Generating Plant – Oncor Standard 500-253 (PDF)
- Electric Utility (radial) – Oncor Standard 500-250 (PDF)
- Electric Utility (bi-directional) – Oncor Standard 500-252 (PDF)
In addition, transmission voltage interconnections are provided pursuant to Oncor’s tariffs:
Retail Customers - Tariff for Retail Delivery Service (PDF)
Generators and Electric Utilities - Tariff for Transmission Service (PDF)