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Balancing costs
Dispatch Transparency
This dataset is a component of the Forward Plan 2020-21 commitment to increase the transparency of our operational decision making in the Balancing Mechanism (BM). It includes the publication of…
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Balancing costs
Current Balancing Services Use of System (BSUoS) Charges
There is a file for each run type we calculate a BSUoS charge for - Interim Initial (II), Settlement Final (SF) and Reconciliation Final (RF). These are updated daily with the actual Half Hourly…,…
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Balancing costs
Daily Balancing Services Use of System (BSUoS) Volume Data
The BSUoS charge recovers the cost of day-to-day operation of the transmission system. Generators and suppliers are liable for these charges, which are calculated daily as a flat tariff for all users…
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Balancing costs
Daily Balancing Services Use of System (BSUoS) Cost Data
The BSUoS charge recovers the cost of day-to-day operation of the transmission system. Generators and suppliers are liable for these charges, which are calculated daily as a flat tariff for all users…
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Balancing costs
Constraint Breakdown Costs and Volume
The publication consists of constraint breakdown information to provide additional transparency of why as ESO we are taking actions on the system. Please note that tags applied to actions can…
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Balancing costs
Great Britain System Inertia Bid and Offer Costs
This dataset provides indicative values for the average daily price (in £ per GVAs) for BM accepted offers tagged as being for System Inertia. It also includes the cost of bid actions required to…
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Balancing costs
Monthly Balancing Services summary (MBSS)
The MBSS gives the costs and volumes of balancing services used by the ESO. These costs are broken into individual months in the past financial year, as well as by each individual service. The most…
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Balancing costs
Monthly Balancing Services Use of System (BSUoS) Forecast Data
The Balancing Services Use of System (BSUoS) costs are reported on a monthly basis with a forecast for the next month and a rolling 24 month period. Here you can find the data for the 24 month ahead…
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Balancing costs
BSUoS Fixed Tariffs
This dataset contains all the Balancing Services Use of System Charges (BSUoS) tariffs which are forecasted and set by the revenue team at National Grid ESO. These files will be updated on a six…
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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…