On this page, you will find reports that we publish relating to the commercial operation of the electricity transmission system.
The service reports show the requirements for balancing services and the results of tender assessments. A service by service summary of the cost of balancing services is provided in the monthly balancing services summary (MBSS).
Service reports
The service reports show the requirements for balancing services and the results of tender assessments. A service by service summary of the cost of balancing services is provided in the monthly balancing services summary (MBSS).
Monthly balancing services summaries (MBSS)
From 2nd March 2020, MBSS files will be published on our new National Grid ESO Data Portal.
Please see link below for the location:
Name | Published Sort descending |
---|---|
MBSS_September_2018 pdf | 30 Oct 2018 |
MBSS_DATA_September_2018 Excel | 30 Oct 2018 |
Historic Response BOAs by settlement period - 2015 onwards | 5 Nov 2018 |
MBSS_DATA_October_2018 excel | 27 Nov 2018 |
MBSS_October_2018 pdf | 27 Nov 2018 |
MBSS_DATA_November_2018 excel | 24 Dec 2018 |
MBSS_November_2018 pdf | 24 Dec 2018 |
MBSS_DATA_December_2018 | 7 Feb 2019 |
MBSS_December_2018 | 7 Feb 2019 |
MBSS Data January 2019 | 8 Mar 2019 |
Past MBSS packs
Past MBSS packs
From 1st March 2020, Daily balancing costs (BSUoS) files will be published on our new National Grid ESO Data Portal.
Please see link below for the daily historic outturn & forecast file:
https://data.nationalgrideso.com/balancing/bsuos-monthly-cost
Please see link below for the daily balancing costs data files:
https://data.nationalgrideso.com/balancing/daily-balancing-costs-balancing-services-use-of-system
Please see link below for the daily balancing costs report files:
Name | Published Sort descending |
---|---|
2018-02-14 pdf | 19 Feb 2018 |
2018-02-15 excel | 20 Feb 2018 |
2018-02-16 excel v2 | 20 Feb 2018 |
2018-02-17 excel | 20 Feb 2018 |
2018-02-19 pdf | 20 Feb 2018 |
2018-02-15 pdf | 20 Feb 2018 |
2018-02-16 pdf | 20 Feb 2018 |
2018-02-17 pdf | 20 Feb 2018 |
2018-02-17 pdf | 20 Feb 2018 |
2018-02-19 excel | 20 Feb 2018 |
STOR
Fast reserve
Name | Published Sort descending |
---|---|
FR Market Information March20 | 8 Apr 2020 |
FR Market Information May20 | 8 Apr 2020 |
Fast Reserve Market Information Report - Guide | 9 Apr 2020 |
FR Market Information Feb19 | 30 Apr 2020 |
FR Market Information June20 | 30 Apr 2020 |
FR Market Information Apr19 | 30 Apr 2020 |
FR Market Information July20 | 16 Jun 2020 |
FR Market Information August20 | 25 Jun 2020 |
FR Market Information September20 | 4 Aug 2020 |
FR Market Information October20 | 26 Aug 2020 |
FFR market information reports