Federal Energy Regulatory Commission Accepts Tariff Revisions for Rush Creek Gen-Tie Line

Strategic Insights -

Public Service Company of Colorado (PSCo) submitted tariff revisions to reflect the reclassification of the Rush Creek Gen-Tie Line to a networked Transmission System Facility. The proposed changes aim to increase efficiency and reliability in the transmission of electricity. The Federal Energy Regulatory Commission (FERC) has accepted the submittal, effective the later of the day the Goose Creek Substation begins commercial operations or June 28, 2025.

Key Takeaways:

  • PSCo submitted tariff revisions to reclassify the Rush Creek Gen-Tie Line as a networked Transmission System Facility on April 28, 2025.
  • The proposed changes aim to increase efficiency and reliability in the transmission of electricity.
  • FERC accepted the submittal with an effective date of the later of the day the Goose Creek Substation begins commercial operations or June 28, 2025.
  • PSCo must make an informational filing notifying the Commission of the actual effective date of the proposed Tariff revisions no less than seven days prior to the date the applicant implements the tariff record.
  • No protests or adverse comments were filed.
  • This action does not constitute approval of any service, rate, or regulation.
  • Requests for rehearing by the Commission may be filed within 30 days of the date of issuance of this order.

Statistics:

  • 61 days: The period after which the submittal will become effective, as stated in 18 C.F.R. § 35.3(a)(1).
  • 7 days: The minimum period prior to the date the applicant implements the tariff record during which PSCo must make an informational filing notifying the Commission of the actual effective date of the proposed Tariff revisions.
  • 30 days: The timeframe within which requests for rehearing by the Commission may be filed, as per 18 C.F.R. § 385.713.

Sources:

  • Federal Energy Regulatory Commission (2025, June 17). FERC Accepts Tariff Revisions for Rush Creek Gen-Tie Line. Docket No. ER25-2067-000.
  • Public Service Company of Colorado (2025, April 28). Transmission and Service Agreements Tariff, OATT, TABLE OF CONTENTS (0.8.0).
  • 18 C.F.R. § 375.307.
  • 18 C.F.R. § 385.214.