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 Sort descending | Published |
---|---|
MBSS_July_2016 | 23 Aug 2016 |
MBSS_July_2018 pdf | 30 Aug 2018 |
MBSS_Jul_2017 | 1 Sep 2017 |
MBSS_June_2015 | 27 Jul 2015 |
MBSS_June_2016 | 27 Jul 2016 |
MBSS_June_2018 pdf | 1 Aug 2018 |
MBSS_Jun_2017 | 7 Aug 2017 |
MBSS_MARCH_2015 | 20 Jul 2015 |
MBSS_MARCH_2016(1) | 11 May 2016 |
MBSS_March_2017 | 4 May 2017 |
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 Sort descending | Published |
---|---|
2018-02-17 excel | 20 Feb 2018 |
2018-02-17 pdf | 20 Feb 2018 |
2018-02-17 pdf | 20 Feb 2018 |
2018-02-18 excel | 1 Mar 2018 |
2018-02-18 pdf | 1 Mar 2018 |
2018-02-19 excel | 20 Feb 2018 |
2018-02-19 pdf | 20 Feb 2018 |
2018-02-20 excel | 23 Feb 2018 |
2018-02-20 pdf | 23 Feb 2018 |
2018-02-21 excel | 23 Feb 2018 |
STOR
Fast reserve
Name Sort descending | Published |
---|---|
FR Market Information March21 | 18 Jan 2021 |
FR Market Information May20 | 8 Apr 2020 |
FR Market Information May21 | 15 Mar 2021 |
FR Market Information November20 | 24 Sep 2020 |
FR Market Information October20 | 26 Aug 2020 |
FR Market Information September20 | 4 Aug 2020 |
January Market Report V2 | 23 Jan 2018 |
Market Report January 2018 | 19 Jan 2018 |
FFR market information reports