Public Utility Commission of Texas Approves Wholesale Transmission Service at Distribution Voltage Tariff

Strategic Insights -

The Public Utility Commission of Texas (PUC) has approved a wholesale transmission service at distribution voltage tariff for Mid-South Electric Cooperative Association, a non-profit corporation registered with the Texas secretary of state. The proposed tariff, filed on March 27, 2025, aims to provide transmission service at distribution voltage to customers in the Electric Reliability Council of Texas (ERCOT) region. After a joint motion to admit evidence and a proposed notice of approval by Mid-South and PUC Staff, the Commission approved the tariff, finding it to be just and reasonable and in compliance with the Public Utility Regulatory Act (PURA).

Key Takeaways:

  • The PUC approved a wholesale transmission service at distribution voltage tariff for Mid-South Electric Cooperative Association, a non-profit corporation registered with the Texas secretary of state.
  • The proposed tariff, filed on March 27, 2025, aims to provide transmission service at distribution voltage to customers in the ERCOT region.
  • The tariff includes a customer charge of $85.00 and charges of $0.07, $6.51, and $6.84 per kW of billing demand for substation, distribution primary, and distribution secondary services, respectively.
  • The Commission found that Mid-South is an electric cooperative and a transmission service provider, and that the application was processed in accordance with the requirements of the Administrative Procedures Act, PURA, and Commission rules.
  • The notice requirements in 16 TAC § 22.55 have been met, and the rates established by the approved tariff are just and reasonable.
  • The Commission approved the tariff, concluding that it complies with PURA § 35.004 and is not unreasonably discriminatory, preferential, or prejudicial.
  • The approval is based on the Joint Motion to Admit Evidence and Proposed Notice of Approval, filed with the Commission on June 23, 2025.

Statistics:

  • The proposed tariff aims to provide transmission service to customers in the ERCOT region.
  • The tariff includes a customer charge of $85.00 and charges of $0.07, $6.51, and $6.84 per kW of billing demand for substation, distribution primary, and distribution secondary services, respectively.
  • The Commission approved the tariff, finding it to be just and reasonable and in compliance with PURA.
  • 15 days have passed since the completion of notice provided in this docket.

Sources:

  • Mid-South Electric Cooperative Association, Application for Approval of Wholesale Transmission Service at Distribution Voltage Tariff, filed with the PUC on March 27, 2025.
  • PUC, Joint Motion to Admit Evidence and Proposed Notice of Approval, filed with the Commission on June 23, 2025.
  • 16 Tex. Admin. Code (TAC) § 22.35(a).
  • Public Utility Regulatory Act (PURA), Tex. Util. Code §§ 11.001-66.016.