Desert Southwest Region Consolidated Rates Schedule – FY 2025
One Transmission Rate (OTR)
Parker-Davis Project
Intertie Project
Central Arizona Project
Electrical District No. 5-Palo Verde Hub Project
| Schedule | Description | Rates | Effective Date |
|---|---|---|---|
| DSW-FT1 (PDF) | Long-Term and Short-Term Firm Point-to-Point Transmission Service (Schedule 7 to OATT) |
$21.12/kW-Year
$1.76/kW-Month
$0.41/kW-Week
$0.06/kW-Day
2.41 mills/kWh
|
10/1/2024 |
| DSW-NFT1 (PDF) | Nonfirm Transmission Service (Schedule 8 to OATT) |
2.41 mills/kWh | 10/1/2024 |
| DSW-NTS1 (PDF) | Network Integration Transmission Service Annual Transmission Revenue Requirement (Attachment H to OATT) |
$105,251,766 | 10/1/2024 |
| DSW-TL1 (PDF) | Transmission Losses | 3.00% | 10/1/2021 |
| DSW-UUI (PDF) | Unreserved Use Penalties (Schedule 10 to OATT) |
See Rate Schedule | 10/1/2021 |
Point of Contact: Tina Ramsey
Parker Davis Project
| Schedule | Description | Rates | Effective Date |
|---|---|---|---|
| PD-F8 (PDF) | Firm Electric Service | 10/1/2024 | |
| Energy Charge | 13.14 mills/kWh | ||
| Capacity Charge | $5.76 kW-Month | ||
| Composite | 26.27 mills/kWh | ||
| LCRBDF Contribution Charge |
4.50 mills /kWh (AZ)
2.50 mills/kWh (CA/NV)
|
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| For Transmission Service, see OTR Section | |||
| DSW-FCT8 (PDF) | Transmission Service of SLCA/IP Power | $1.76 /kW-Month | 10/1/2024 |
| DSW-TL1 (PDF) | Transmission Losses | 3.00% | 10/1/2021 |
| DSW-UUI (PDF) | Unreserved Use Penalties (Schedule 10 to OATT) |
See Rate Schedule | 10/1/2021 |
Point of Contact: Shannon Joya
Boulder Canyon Project
| Schedule | Description | Rates | Effective Date |
|---|---|---|---|
| BCP-F11 (PDF) | |||
| Base Charge | $74,334,285 | 10/1/2024 | |
| Energy Dollars | $37,167,143 | ||
| Capacity Dollars | $37,167,143 | ||
| Forecast Energy Rate | 12.20 mills/kWh | ||
| Applied to Excess Energy, Unauthorized Overruns and Water Pump Energy | |||
| Forecast Energy Rate | $2.17/kW-month | 10/1/2024 | |
| Applied to Unauthorized Overruns | |||
| Calculated Energy Rate Calculated within 90 days after the end of each fiscal year. If the Energy Deemed Delivered is greater than 4,501 MWh, then the Calculated Rate shall be applied to each Contractor’s Energy Deemed Delivered. A credit or debit shall be established based on the difference between the Contractor’s Energy Dollar and the Contractor’s Actual Energy Charge. |
|||
| Composite | 24.39 mills/kWh | 10/1/2024 | |
| LCRBDF Contribution Charge |
4.50 mills /kWh (AZ)
2.50 mills/kWh (CA/NV)
|
10/1/2024 | |
Point of Contact: Christina Maldonado
WALC BA Ancillary Services
| Schedule | Description | Rates | Effective Date |
|---|---|---|---|
| DSW-SD4 (PDF) | Scheduling, System Control & Dispatch (Schedule 1 to OATT) |
$14.57 /schedule per day | 10/1/2024 |
| DSW-RS4 (PDF) | Reactive Supply and Voltage Control (Schedule 2 to OATT) |
$0.069 /kW-Month | 10/1/2024 |
| DSW-FR4 (PDF) | Regulation and Frequency Response (Schedule 3 to OATT) |
$0.102 /kW-Month | 10/1/2024 |
| DSW-SPR4 (PDF) | Spinning Reserves (Schedule 5 to OATT) |
None available1 | 10/1/2024 |
| DSW-SUR4 (PDF) | Spinning Reserves (Schedule 6 to OATT) |
||
| 1Upon request, WALC will purchase at market price and pass-through the cost-plus administrative fee. | |||
Western Energy Imbalance Market |
|||
| DSW-EIM1T (PDF) | Administrative Service (Schedule 1T to OATT) |
Pass Through2 | 4/5/2023 |
| DSW-EIM4T (PDF) | Energy Imbalance Service (Schedule 4T to OATT) |
Pass Through2 | 4/5/2023 |
| DSW-EIM9T (PDF) | Generator Imbalance Service (Schedule 9T to OATT) |
Pass Through2 | 4/5/2023 |
| 2Charges shall reflect the pass through of all applicable costs associated with the WALC BA’s participation in the EIM. | |||
Point of Contact: Tina Ramsey
Last modified on June 24th, 2025