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_Dec_2017 | 2 Feb 2018 |
MBSS_FEBRUARY_2016 | 24 Mar 2016 |
MBSS_February_2017 | 7 Apr 2017 |
MBSS_Feb_2018 | 29 Mar 2018 |
MBSS_JANUARY_2015 | 20 Jul 2015 |
MBSS_JANUARY_2016 | 3 Mar 2016 |
MBSS_January_2017 V1 | 10 Mar 2017 |
MBSS_Jan_2018 | 2 Mar 2018 |
MBSS_Jan_2018 V2 | 8 Mar 2018 |
MBSS_July_2015 | 2 Sep 2015 |
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 |
---|---|
2018-02-12v2 pdf | 16 Feb 2018 |
2018-02-13 excel | 16 Feb 2018 |
2018-02-13 pdf | 15 Feb 2018 |
2018-02-13v2 pdf | 16 Feb 2018 |
2018-02-14 excel | 19 Feb 2018 |
2018-02-14 pdf | 19 Feb 2018 |
2018-02-15 excel | 20 Feb 2018 |
2018-02-15 pdf | 20 Feb 2018 |
2018-02-16 excel v2 | 20 Feb 2018 |
2018-02-16 pdf | 20 Feb 2018 |
STOR
Fast reserve
Name Sort descending | Published |
---|---|
FR Market Information August20 | 25 Jun 2020 |
FR Market Information Data October 2019 | 23 Aug 2019 |
FR Market Information December20 | 16 Oct 2020 |
FR Market Information Feb19 | 30 Apr 2020 |
FR Market Information February21 | 15 Dec 2020 |
FR Market Information January21 | 16 Nov 2020 |
FR Market Information July20 | 16 Jun 2020 |
FR Market Information June20 | 30 Apr 2020 |
FR Market Information June21 | 20 Apr 2021 |
FR Market Information March20 | 8 Apr 2020 |
FFR market information reports