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Balancing Services Charging Report (BCR)
The Balancing Services Charging Report (BCR) provides a breakdown of the Balancing Services Use of System (BSUoS) charge. There is a BCR for each run type we calculate a BSUoS... -
Interconnector Trading Procurement Framework
Documentation relating to interconnector trading, including the procurement framework and supporting materials. Watch the video below: NOTE: Interconnector Requirement and... -
ESO Operational Transparency Forum
NOTE: The ESO operational transparency forum has a new website page, please visit the ESO website for up to date information. All historic data has been transitioned over to... -
Platform For Energy Forecasting (PEF) Strategic Project Roadmap
In April 2018, the ESO initiated strategic transformation project to develop and implement state of art forecasting capability to deliver value to consumers by providing... -
Firm Fast Reserve Post Tender Reports
Fast Reserve provides the rapid and reliable delivery of active power through an increased output from generation or a reduction in consumption from demand sources, following... -
Short Term Operating Reserve (STOR) Post Tender Reports
If demand ends up being greater than forecast, or there is unforeseen generation unavailability, extra sources of power may be needed to manage the system. One form of reserve... -
Optional Downward Flexibility Management (ODFM) Service Documents
In our role as Electricity System Operator (ESO), we balance generation and demand in real time. When demand is low, there may be a requirement for additional flexibility to... -
Fast Reserve Market Information
Fast Reserve provides the rapid and reliable delivery of active power through an increased output from generation or a reduction in consumption from demand sources, following... -
System Excursions
The National Grid Electricity System Operator (ESO) publishes an annual report on the performance of the National Electricity Transmission System (NETS) in Great Britain and... -
Short Term Operating Reserve (STOR) Market Information
If demand ends up being greater than forecast, or there is unforeseen generation unavailability, extra sources of power may be needed to manage the system. One form of reserve... -
GIS Boundaries for GB DNO License Areas
This dataset contains approximate GIS (geographic information system) geospatial boundaries for each of the DNO License Areas in Great Britain. There are 14 licensed... -
Data Publication Requests
Please visit our ENCC Transparency Roadmap which highlights the activities we will deliver in the short to medium term. We welcome any further suggestions or questions... -
Coronavirus Demand Suppression
Data showing the demand suppression attributed to the Coronavirus Pandemic. Demand suppression is calculated by taking the National Demand + Embedded Generation outturns and...