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Datasets (109)
- CSV
Balancing costs
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…
- CSV
Balancing costs
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…
- CSV
Generation
OPMR is the amount of generation exceeding the demand forecast needed to meet our reserve requirement. When assessing and publishing generation availability information against system requirements,…
- CSV
Generation
This publication displays the Electricity System Operator’s (ESO) wind generator availability in megawatts (MW) at a daily resolution for 2-14 days ahead.
- CSV
Data Portal changes and known issues
Here you will find details of upcoming changes to the ESO Data Portal along with any known issues that we are working to resolve. If you have encountered any issues not captured in this table please…
- CSV
Constraint management
A snapshot of the limits and flows at relevant boundaries at day ahead stage. These flow values are true for when the measurement was taken and will not reflect any changes in the flows following the…
- CSV
- PNG
Demand
This dataset contains national electricity demand forecast for day ahead as well as all historic day ahead demand forecasts. The forecast assist the industry to make efficient decisions in balancing…
- CSV
Demand
The historic half hourly day ahead national demand forecast as published via BM reports, alongside the outturn values, adjustments for TRIAD avoidance estimates and Absolute Percentage Error (APE)…
- CSV
Generation
The dataset contains national and BMU wind forecast over a day ahead timescale as well as all historic day ahead wind forecasts to assist the industry to make efficient decisions in balancing their…
- CSV
- DOC
Demand
This publication is similar to "Historic Demand Data" dataset but updated on a daily basis with approximately ten days lag in receiving settlement data. In the dataset embedded forecast for…
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