2026 Rate Adjustment–Transmission and Ancillary Services

2026 Rate Adjustment–Transmission and Ancillary Services Under Southwest Power Pool Regional Transmission Organization Expansion

Colorado River Storage Project Transmission and Ancillary Services – 2026 Rate adjustment – WAPA-220

The Colorado River Storage Project (CRSP) Management Center (MC) proposes new formula rates for the Colorado River Storage Project (CRSP) transmission and ancillary services for CRSP’s costs to be recovered under the Southwest Power Pool’s (SPP) Open Access Transmission Tariff (Tariff) should CRSP MC decide to become a member of SPP.

The proposed formula rates will become effective on the latter of CRSP MC’s membership date or the go-live date of the expansion of the SPP Regional Transmission Organization (RTO) into the Western Interconnection (scheduled for April 1, 2026, as of the date of this notice).

WAPA-220 Documentation

Proposed FRN

• December 30, 2024 – Published WAPA-220 Proposed FRN (PDF) or Published WAPA-220 [federalregister.gov]

Categorical Exclusion

• Link to the CRSP Environmental Review page for the CRSP SPP RTO – WAPA-220

Rate Brochure

• WAPA-220 Customer Rate Brochure (revised) (PDF 2.7 MB)
• WAPA-220 Customer Rate Brochure (original) (PDF 2.7 MB)

Rate Brochure Supporting Documents

• Appendix B – Proposed Facilities with Attachment AI Criteria (original & revised) (.XLSX 1.1 MB)
• Appendix C – Proposed Formula Rate Revenue Requirement Templates
  • Revised Consolidated Rate Revenue Requirement Template Worksheets – as of 2.13.25
    • Includes Templates WS1-8 & revised WS9 Transmission Facility Detail (.XLSX 2 MB)
  • WS1-8 Rate Revenue Requirement Template Worksheets (original) (PDF 285 KB)
  • WS9 Transmission Facility Detail (original) (PDF 10.2 MB)

February 19, 2025, Public Forum Information

• February 19, 2025 – WAPA-220 Public Information Presentation (PDF 617KB)
• Public Information Forum (virtual only): Wednesday, February 19, 2025, 2:00 p.m. to no later than 3:00 p.m. MST
• Public Comment Forum (virtual only): Wednesday, February 19, 2025, 3:15 p.m. to no later than 4:00 p.m. MST

Public Comment Period Documentation

The WAPA-220 Comment Period commenced December 30, 2024, and closes March 31, 2025

• March 14, 2025 – Responses to written and oral questions (PDF 225KB) received through the end of the Public Comment Forum on February 19, 2025. These responses were provided at least 15 days prior to the close of the WAPA-220 comment period as required.

Copies of the transcript from the PIF/PCF may be purchased by contacting:

Veritext Legal Solutions – Bryon Gibb/Pennie Neilson:
Email:  calendar-utah@veritext.com
Pennie’s direct line – 385-287-6354 (preferred)
Office – 801-746-5080

Contact

If you have questions, please contact:
Tamala D. Gheller
CRSP Rates Manager
970.240.6545
gheller@wapa.gov