One Transmission Rate

Rate Calculations

FY 2026

Final Rates

• Notice of Rates (.PDF to come)
• Supporting Documents (.PDF  to come) – FY2026

Rates and Charges Meeting  (June 18, 2025 at 10AM MST/PDT)

• Announcement (.PDF)
• Meeting Presentation with Proposed Rate (PDF 2.4MB)
• Parker-Davis Project Generation

Final Rates

• Supporting Documents (.PDF) – FY2025
• Supporting Document (.PDF) – FY2024

Public Process – WAPA-209

• Final Rate Order (.PDF)
• Public Process

Historical Years

• One Transmission Rate  – FY2024 – FY2025
• Central Arizona Project – CY2019 – CY2023
• Intertie Project – FY2013 – FY2023
• Parker-Davis Project Generation Rate – FY2019 – FY2023