Federal Register #2026-14901

Extension of Formula Rates for Power Transmission and Balancing Authority Services in the Desert Southwest Region

This notice concerns the extension of formula rates for power transmission and balancing authority services in the Desert Southwest Region: - Government Buyer: - Department of Energy, Western Area Power Administration (WAPA), Desert Southwest Region, Western Area Lower Colorado Balancing Authority - No commercial OEMs or vendors are involved; all services are provided by WAPA - Services covered by the rate extension include: - Scheduling, system control, and dispatch - Reactive supply and voltage control - Regulation and frequency response - Operating reserves (spinning and supplemental) - Energy imbalance and generator imbalance services - Transmission losses - Unreserved use penalties - Administrative and pass-through services related to participation in the California ISO Energy Imbalance Market - The extension applies to multiple rate schedules (DSW-SD4, DSW-RS4, DSW-FR4, DSW-SPR4, DSW-SUR4, DSW-EI4, DSW-GI2, DSW-TL1, DSW-UUI, DSW-EIM1T, DSW-EIM4T, DSW-EIM9T) - No changes are made to the existing formula rates; the extension maintains current methodologies - The extension is effective on an interim basis through September 30, 2031, pending final FERC approval - No procurement of products or external services is involved; this is a regulatory rate extension for government-provided services

Description

This notice announces the extension of the Desert Southwest Region's existing balancing authority area and transmission provider services formula rates for the Western Area Lower Colorado Balancing Authority. The existing formula rates under various Rate Schedules expire on September 30, 2026, and this extension places them into effect on an interim basis through September 30, 2031 without any changes. The extension was confirmed and approved by the Department of Energy and Western Area Power Administration. The notice provides details on the rate schedules and the regulatory authority under which the extension is issued.

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