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Datasets (4)
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Network charges
This dataset contains a breakdown of all the Transmission Network Use of System (TNUoS) tariff elements of which are forecasted and set by the revenue team at National Grid ESO. These files will be…
- CSV
Ancillary services
The “Contract Transfer of Obligation” will be updated when ESO receives a Market Provider request to transfer a Balancing Service contract from a contracted unit to a non-contracted unit. This file…
- 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
Generation
This publication displays the Electricity System Operator’s (ESO) wind generator availability in megawatt (MW) at a generator level at a weekly resolution for 2-52 weeks ahead.
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