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Data Groups

Ancillary Services

Data on services that balance demand and supply including Fast Reserve, Firm Frequency Response and STOR

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Balancing Costs

Data on forecast and historic balancing costs, including BSUoS and Balancing services charging reports.

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Carbon Intensity

Data providing an indicative trend of regional and national carbon intensity of the GB electricity system. View the Carbon Intensity dashboard

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Connection Registers

Data showing the latest contracted position, published twice weekly

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Constraint Management

Data on historic costs and forecast constraint volumes. Required when the system is unable to transmit power to a demand location due to transmission...

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Demand

Forecast and historic data for demand, interconnectors, pump storage pumping, wind and solar generation.

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Demand Flexibility Service

Get data for our test and live DFS events. This is a new service giving extra flexibility during peak winter demand periods. Consumers are...

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Future Energy Scenarios

Data on a range of different ways to de-carbonise and shape the future energy system, working towards the 2050 target. More about FES

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Generation

Forecast volumes and cost for reserve margin, wind generation and generation by fuel type.

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Interconnectors

Data relating to operational restrictions limiting interconnector flows connected to GB.

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Network Charges

TNUoS tariffs and publications associated with TNUoS revenue and charges.

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Plans, Reports & Insights

Other data including information supporting our Operational Transparency Forum.

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System

System-wide data including historic system frequency data.

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Trading

We trade power exchange, forward energy and balancing contracts to meet forecast energy needs, in advance of the balancing mechanism.

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