If you’d like to provide feedback on the ESO Data Portal, please contact us at box.OpenData.ESO@nationalgrideso.com

Balancing Contract Enactment FY 21-22

Table Information

ID

Title Contract ID
Type String
Description ID of the Contract Enactment Action
Comment N/A
Example ES00101011
Unit N/A

StartTime

Title Start Time (UTC)
Type Date and Time, UTC format
Description Start time of the contract enactment action in UTC format
Comment N/A
Example 2020-01-05T00:00:00
Unit UTC ISO 8601

EndTime

Title End Time (UTC)
Type Date and Time, UTC format
Description End time of the contract enactment action in UTC format
Comment N/A
Example 2020-01-06T00:00:00
Unit UTC ISO 8601

Volume

Title Average Volume
Type Float
Description Average Volume of the contract enactment action
Comment A positve number represents the action increase generation /decrease demand or provide upwards margin; a negative number represents the action reducing genreation / increase demand or provide downwards margin. Value is rounded to up to 1 decimal place
Example 10.9
Unit MW

Price

Title Price
Type Float
Description Average price of the contract enactment action
Comment The value is rounded to up to 2 decimal places
Example 200.01
Unit £/MWh

Cost

Title Cost
Type Float
Description Total cost to Nationalgrid ESO for the contract enctment action
Comment Cost = Volume * Price * Duration. The value is rounded to up to 2 decimal places
Example 38.57
Unit £/h

SO_Flag

Title System Flag
Type String
Description System flag indicating whether the action is mainly for system security purpose
Comment SO_Flag = T (True) means the action is mainly for system security reason, SO_Flag = F (False) means the action is mainly for balancing reason
Example T,F
Unit N/A

Reason

Title Contract Reason
Type String
Description Detailed reason for the contract enactment action
Comment This can be for voltage, thermal constraints, ROCOF, upwards margin or downwards reserve etc
Example Voltage: V_Mersey, V_SouthEast (Votlage) Thermal: LE1, B6; ROCOF_BMU, ROCOF_IC, Margin, Downwards, Others
Unit N/A

AssetID

Title AssetID
Type String
Description The ID of the Asset
Comment In case of BMU this is NG BMU Name otherwise, a name will be given reflects our contract with the conterparty
Example Drax-3
Unit N/A

CP_Name

Title Counterparty name
Type String
Description Name of the contract counterparty
Comment This is the contract counterparty, it might be different from the asset owner
Example Engie UK
Unit N/A

Area

Title Delivery Area
Type String
Description The location of the asset
Comment This can be England&Wales, Scotland, or different interconnectors
Example E&W, IFA
Unit N/A

Note

Title Note
Type String
Description Notes or comments
Comment N/A
Example N/A
Unit N/A

Last_Updated

Title Last Updated
Type Date and Time, UTC format
Description Date and Time that the information has been last updated
Comment N/A
Example 2020-01-05T00:00:00
Unit UTC ISO 8601