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 2018-05-19 | 19 May 2018 |
| BSUoS Forecast 2018-05-18 | 18 May 2018 |
| BSUoS Forecast 2018-05-16 | 16 May 2018 |
| BSUoS Forecase 2018-05-14 | 14 May 2018 |
| BSUoS Forecast 2018-05-09 | 9 May 2018 |
| BSUoS Forecast 2018-05-08 | 8 May 2018 |
| BSUos Forecast 2018-05-06 | 6 May 2018 |
| BSUoS Forecast 2018-05-05 | 5 May 2018 |
| BSUoS Forecast 2018-05-04 | 4 May 2018 |
| BSUoS Forecast 2018-05-03 | 3 May 2018 |
Daily BSUoS Forecast 2017-18
| Name | Published Sort ascending |
|---|---|
| BSUoS Forecast 2014-09-23 | 23 Sep 2014 |
| BSUoS Forecast 2014-12-04 | 12 Apr 2014 |
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 November 2018 Data | 12 Nov 2018 |
| BSUOS Report October 2018 v2 | 23 Oct 2018 |
| BSUOS October 2018 Data v2 | 23 Oct 2018 |
| BSUOS Report October 2018 | 12 Oct 2018 |
| BSUOS October 2018 Data | 12 Oct 2018 |
| BSUOS Report September 2018 v2 | 24 Sep 2018 |
| BSUOS September 2018 Data v2 | 24 Sep 2018 |
| BSUOS Report September 2018 | 12 Sep 2018 |
| BSUOS September 2018 Data | 12 Sep 2018 |
| BSUOS Report August 2018 | 9 Aug 2018 |
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