Forecast volumes and costs
On this page you can see a historic data related to the operating margin (OPMR).
New forecast volume of reserve, forecast volume of frequency response required, annual weighting factors for STOR contracts, and forecasts of BSUoS charges will be published on the Data Portal on a regularly basis.
Frequency response requirement documents are now on the System balancing reports page.
You can find out more about the balancing services incentive scheme (BSIS) and balancing services use of system (BSUoS) on their respective pages.
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Frequency Response data
See historic documents related to the outturn for energy services we have used.
BSUoS forecast data
See historic daily BSUoS Forecast data.
From 1st March 2020, Daily BSUoS Forecast files will be published on our new National Grid ESO Data Portal.
Please see link below for the location:
https://data.nationalgrideso.com/balancing/balancing-services-use-of-system-bsuos-daily-forecast
| Name | Published Sort ascending |
|---|---|
| BSUoS Forecast 2018-07-30 | 30 Jul 2018 |
| BSUoS Forecast 2018-07-27 | 27 Jul 2018 |
| BSUoS Forecast 2018-07-26 | 26 Jul 2018 |
| BSUoS Forecast 2018-07-25 | 25 Jul 2018 |
| BSUoS Forecast 2018-07-24 | 24 Jul 2018 |
| BSUoS Forecast 2018-07-23 | 23 Jul 2018 |
| BSUoS Forecast 2018-07-22 | 22 Jul 2018 |
| BSUoS Forecast 2018-07-21 | 21 Jul 2018 |
| BSUoS Forecast 2018-07-20 | 20 Jul 2018 |
| BSUoS Forecast 2018-07-19 | 19 Jul 2018 |
Daily BSUoS Forecast 2017-18
| Name | Published Sort ascending |
|---|---|
| BSUoS Forecast 2017-11-13 | 15 Nov 2017 |
| BSUoS Forecast 2017-11-13 | 13 Nov 2017 |
| BSUoS Forecast 2017-11-09 | 9 Nov 2017 |
| BSUoS Forecast 2017-11-08 | 8 Nov 2017 |
| BSUoS Forecast 2017-11-07 | 7 Nov 2017 |
| BSUoS Forecast 2017-11-03 | 3 Nov 2017 |
| BSUoS Forecast 2017-11-02 | 2 Nov 2017 |
| BSUoS Forecast 2017-11-01 | 1 Nov 2017 |
| BSUoS Forecast 2017-10-27 | 27 Oct 2017 |
| BSUoS Forecast 2017-10-25 | 25 Oct 2017 |
Monthly BSUoS Forecast
From 1st March 2020, Monthly BSUoS Forecast files will be published on our new National Grid ESO Data Portal.
Please see link below for the location:
https://data.nationalgrideso.com/balancing/bsuos-monthly-forecast
| Name | Published Sort ascending |
|---|---|
| BSUoS Report March 2021 | 1 Apr 2021 |
| BSUoS Forecast Explainer May 2021 | 1 Apr 2021 |
| BSUoS Report February 2021 | 1 Mar 2021 |
| BSUoS Forecast Explainer April 2021 | 1 Mar 2021 |
| BSUoS_Report January 2021 | 1 Feb 2021 |
| BSUoS Forecast Explainer March 2021 | 1 Feb 2021 |
| BSUoS Report December 2020 | 1 Jan 2021 |
| BSUoS Forecast Explainer February 2021 | 1 Jan 2021 |
| BSUoS Report November 2020 | 1 Dec 2020 |
| BSUoS Forecast Explainer January 2021 | 1 Dec 2020 |
From 1st March 2020, Operational Planning Margin Requirement (OPMR) and wind availability files will be published on our new National Grid ESO Data Portal. Please scroll down to OPMR and Wind availability files for daily or weekly.
Please see link below for the location:
NRAPM forecast
The purpose of the Negative Reserve Active Power Margin (NRAPM) forecasting report is to indicate to the market a risk of NRAPM situation and therefore risk of Emergency Instructions.
From 1st March 2020, NRAPM (Negative Reserve Active Power Margin) forecast files will be published on our new National Grid ESO Data Portal.
Please see link below for the location:
https://data.nationalgrideso.com/generation/negative-reserve-active-power-margin-nrapm-forecast