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 May 2019 | 30 Jun 2019 |
MBSS Data May 2019 | 30 Jun 2019 |
MBSS June 2019 | 31 Jul 2019 |
MBSS Data June 2019 | 31 Jul 2019 |
MBSS July 2019 | 30 Aug 2019 |
MBSS Data July 19 | 30 Aug 2019 |
MBSS August 2019 | 30 Sep 2019 |
MBSS Data August 2019 | 30 Sep 2019 |
MBSS September 2019 | 31 Oct 2019 |
MBSS Data September 2019 | 31 Oct 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 |
---|---|
2018-02-26 pdf | 27 Feb 2018 |
2018-02-23 excel | 27 Feb 2018 |
2018-02-24 excel | 27 Feb 2018 |
2018-02-25 excel | 27 Feb 2018 |
2018-02-06 excel | 1 Mar 2018 |
2018-02-18 excel | 1 Mar 2018 |
2018-02-11 excel | 1 Mar 2018 |
2018-02-18 pdf | 1 Mar 2018 |
2018-03-02 pdf | 5 Mar 2018 |
2018-03-03 excel | 5 Mar 2018 |
STOR
Fast reserve
FFR market information reports