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Federal Register / Vol. 86, No. 165 / Monday, August 30, 2021 / Notices
WALC has no Spinning Reserves available for sale. Upon request, WALC
will purchase at market price and passthrough the cost plus an administrative fee that covers the cost of procuring and supplying Spinning Reserves. The customer will be responsible for providing the transmission needed to deliver the Spinning Reserves purchased.

Market Price + Administrative Fee
Rate Schedule DSWSUR4

Applicable
SCHEDULE 6 to OATT

Supplemental Reserve Service is needed to serve load in the event of a system contingency. It is not available immediately to serve load but is generally available within a short period of time after a system contingency event. This service may be provided by generating units that are on-line but unloaded, by quick-start generation, or by interruptible load. The Transmission Service Provider TSP or the Balancing Authority BA who performs this function for the TSP must offer this service when transmission is used to serve load within its BA Area.
The Western Area Lower Colorado Balancing Authority WALC performs this function for the Federal TSP.
Customers of a Federal TSP must purchase this service from WALC or make alternative arrangements to satisfy their Supplemental Reserve obligations.

Supersedes Rate Schedule DSWSUR3
dated October 1, 2016, Through September 30, 2021
United States Department of Energy Western Area Power Administration Desert Southwest Region and Western Area Lower Colorado Balancing Authority Operating ReserveSupplemental Reserve Service Approved Under Rate Order No.
WAPA175
Effective The first day of the first full billing period beginning on or after October 1, 2016, and extending through September 30, 2021, or until superseded by another rate schedule, whichever occurs earlier.
Note: This rate schedule was extended by Rate Order No. WAPA200 through September 30, 2026.

ICost of Service WALC has no Supplemental Reserves for sale. Upon request, WALC will purchase at market price and passthrough the cost plus an administrative fee that covers the cost of procuring and supplying Supplemental Reserves. The customer will be responsible for providing the transmission needed to deliver.
Rate Schedule DSWGI2
SCHEDULE 9 to OATT
Supersedes Rate Schedule DSWGI1
dated October 1, 2016, Through September 30, 2021
United States Department of Energy Western Area Power Administration Desert Southwest Region and Western Area Lower Colorado Balancing Authority
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Generator Imbalance Service Approved Under Rate Order No.
WAPA175
Effective The first day of the first full billing period beginning on or after October 1, 2016, and extending through September 30, 2021, or until superseded by another rate schedule, whichever occurs earlier.
Note: This rate schedule was extended
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Market Price + Administrative Fee
by Rate Order No. WAPA200 through September 30, 2026.
Applicable Generator Imbalance Service is provided when a difference occurs between the output of a generator located in the Balancing Authority Area BA Area and the delivery schedule from that generator to another BA Area or a load within the Transmission Service Providers TSP BA Area over a single hour. The TSP or the Balancing Authority BA who performs this function for the TSP must offer this service, to the extent it is physically feasible to do so from its resources or from resources available to it, when transmission is used to deliver energy from a generator located within its BA
Area.
The Western Area Lower Colorado Balancing Authority WALC performs this function for the Federal TSP.
Customers of a Federal TSP must purchase this service from WALC or make alternative comparable arrangements to satisfy their generator imbalance obligations. Non-Federal TSPs must have separate agreements with WALC that specify the terms of Generator Imbalance Service. An intermittent resource serving load
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Formula Rate
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outside WALC will be required to dynamically schedule or dynamically meter their generation to another BA
Area unless arrangements, satisfactory to WALC, are made to acquire this service from a third-party. An intermittent resource, for the limited purpose of this schedule, is an electric generator that is not dispatchable and cannot store its fuel source, and therefore cannot respond to changes in demand or respond to transmission security constraints.
WALC may charge a transmission customer for either generator imbalances under this schedule or energy imbalances under Schedule 4 for imbalances occurring during the same hour, but not both unless the imbalances aggravate rather than offset each other.
Formula Rate Charges for generator imbalances are based on the deviation bands as follows:
1. For deviations within 1.5 percent with a minimum of 4 MW of the metered generation, the settlement for on-peak and off-peak hours is 100
percent.
2. For deviations greater than 1.5 up to 7.5 percent or greater than 4 MW up to 10 MW of the metered generation, the settlement for on-peak hours is 110

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