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2-156 Week Forecasts

This group of pages contains functions to view 2-156 week forecast values including surplus and generation forecasts. All figures are MW values

Important Note: Please note that from 16th October 2015 Surplus levels on the BMRS which previously noted wind at 100% output capacity now included wind at seasonally adjusted load factors. Interconnector flows have been set to zero in the Surplus calculation. These changes have been made by National Grid.


The Surplus Current page allows the user to view the most recent 2-156 week surplus forecast.

The Generation Surplus Current page allows the user to view the most recent 2-156 weeks generating plant surplus margin forecast.

The Surplus Latest page allows the user to view the latest 2-156 week surplus forecast data.

The Generation Surplus Latest page allows the user to view the latest 2-156 weeks generating plant surplus margin forecast data.

The Surplus History page allows the user to view a history of 2-156 week surplus forecast data.

The Generation Surplus History page allows the user to view a history of 2-156 weeks generating plant surplus margin forecast data.

The Download Surplus Latest page allows the user to download a file containing the latest 2-156 week surplus forecast data for a date range.

The Download Generation Surplus Latest page allows the user to download a file containing the latest 2-156 weeks generating plant surplus margin forecast data for a date range.

The Download Surplus History page allows the user to download a file containing the full history of 2-156 week surplus forecast data for a date range.

The Download Generation Surplus History page allows the user to download a file containing the full history of 2-156 weeks generating plant demand margin forecast data for a date range.

This summary information or data is indicative data only and is derived from balancing mechanism reporting service data (which is copyrighted by ELEXON Ltd who makes it available without warranty).