Pacific Alternating Current Intertie (PACI) Rate Case
Western Area Power Administration Sierra Nevada Region filed 5-year formula rates with FERC under Rate Order No. WAPA-211 for the Pacific Alternating Current Intertie Point-to-Point transmission service.
The provisional rates are effective April 1, 2026, through March 31, 2031, or until superseded, whichever occurs earlier.
To contact WAPA Media Relations, email mediarelations@WAPA.GOV
Process Documentation
Public Information and Comment Forums
| Date | Description | Connect |
| Wednesday June 18, 2025 |
Public Information Forum 9:30 a.m. to no later than 12:30 p.m. PDT Public Comment Forum 1:30 p.m. and will remain open until all comments are acknowledged, or no later than 3:30 p.m. PDT |
Informal Customer Meeting Webinars
| Date | Description | Connect |
| Oct 9, 2024 2:00pm – 5:00pm PST |
Informal Customer meeting- PACI Rate Case WAPA-211
This meeting is held prior to the formal public rate process. WAPA-SN plans to discuss the following items:
Any additional comments and questions from customers |
FERC Approval
Customer Letters
- Customer Letter – Notification of Federal Register Notice Published, Jan. 26, 2026 (PDF 164KB)
- Customer Letter – Notification of Public Process, April 23, 2025 (PDF 140KB)
- Customer Letter – Notification of Upcoming Rate Process, Sept. 12, 2024 (PDF 143KB)
Federal Register Notices
- 01/26/2026 – Final Formula Rates for Sierra Nevada Region Pacific Alternating Current Intertie Point-to-Point Transmission Service – Rate Order No. 211 [FederalRegister.gov]
- 04/23/2025 – Proposed Formula Rates for Sierra Nevada Region Pacific Alternating Current Intertie Point-to-Point Transmission Service-Rate Order No. WAPA-211 [FederalRegister.gov]
Customer Rate Brochure
Final Rate Schedules
- Final Rate Schedule – PACI-C1 (PDF 161KB)
- Final Rate Schedule – PACI-D1 (PDF 137KB)
- Final Rate Schedule – PACI-W1 (PDF 136KB)
Proposed Rate Schedules
- Proposed Rate Schedule – PACI-C1 (PDF 171KB)
- Proposed Rate Schedule – PACI-D1 (PDF 172KB)
- Proposed Rate Schedule – PACI-W1 (PDF 171KB)
Public Comment Period Documentation
The WAPA-211 Comment Period commenced April 23, 2025, and closes July 22, 2025
- July 7, 2025 – Consolidated Customer Questions and Responses (PDF 85KB) received through the end of the Public Comment Forum on June 18, 2025. These responses were provided at least 15 days prior to the close of the WAPA-211 comment period as required.
Categorical Exclusions
Last modified on April 24th, 2026

