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Data Publication Requests
Here you can find details on data items that have been...
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Optional Downward Flexibility Management (ODFM) Service Documents
In our role as Electricity System Operator (ESO), we balance...
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Live System Information
This page contains live system data for transmission demand,...
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Firm Fast Reserve Post Tender Reports
Fast Reserve provides the rapid and reliable delivery of...
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System Excursions
The National Grid Electricity System Operator (ESO)...
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Interconnector Trading Procurement Framework
Documentation relating to interconnector trading, including...
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GIS Boundaries for GB Generation Charging Zones
This dataset contains approximate GIS (geographic...
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Dynamic Moderation Requirements
This dataset will contain our forecasted requirements for...
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24 Months Ahead Constraint Cost Forecast
This dataset contains 24 months ahead constraint cost on...
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Dynamic Regulation Requirements
This dataset will contain our forecasted requirements for...
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Balancing Services Contract Enactment
National Grid ESO procures [balancing service...
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Index Linked Contracted Energy Volume
Index Linked Contract can be used by National Grid ESO to...
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Weekly Operational Planning Margin Requirement (OPMR)
When assessing and publishing generation availability...
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Daily Operational Planning Margin Requirement (OPMR)
When assessing and publishing generation availability...
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Weekly Wind Availability
This publication displays the Electricity System Operator’s...
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As the Electricity System Operator (ESO) in Great Britain, we keep the lights on for GB energy consumers round the clock.
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