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Ancillary services
EAC-BR Mock Auction Results
A set of auction results views which present the outcome of daily Enduring Auction Capability (EAC) - Balancing Reserve (BR) mock auction runs. The EAC-BR Mock Auction Results are updated daily in…,…
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Ancillary services
EAC mock auction results
Mock auction results will be available only for a temporary period. These are a set of auction results views which present the outcome of the weekly mock EAC auction runs. Results are updated once…
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Ancillary services
Dynamic Containment, Regulation and Moderation auction results
Please visit EAC auction results for the latest auction results. This dataset will no longer be updated.
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Ancillary services
Contract Transfer of Obligation
The “Contract Transfer of Obligation” will be updated when ESO receives a Market Provider request to transfer a Balancing Service contract from a contracted unit to a non-contracted unit. This file…
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Ancillary services
Phase 2: FFR Auction Results Summary
As part of our work on developing our balancing services we ran a weekly trial auction for Firm Frequency Response. The weekly auction trial results and order hash data are available here., Note:,…
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Balancing costs
Daily Balancing Services Use of System (BSUoS) Forecast
This file contains the Electricity System Operator's (ESO) half-hourly BSUoS forecast (Balancing Services Use of System charge). The estimated BSUoS charge is calculated by taking the forecast…