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]
Rate Brochure
- WAPA-220 Customer Rate Brochure (revised) (PDF 2.7MB)
- 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 1.1MB)
- Appendix C – Proposed Formula Rate Revenue Requirement Templates
- Revised Consolidated Rate Revenue Requirement Template Worksheets – as of 2.12.25
- Consolidated Rate Revenue Requirement Template Worksheets (PDF 285 KB)
- WS9 Transmission Facility Detail (PDF 10.2 MB)
February 19, 2025, Public Forum Information
- 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
Contact
If you have questions, please contact:
Tamala D. Gheller
CRSP Rates Manager
970.240.6545
gheller@wapa.gov
Last modified on February 12th, 2025