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 ascending | Published |
---|---|
MBSS July 2019 | 30 Aug 2019 |
MBSS January 2020 V2 | 9 Mar 2020 |
MBSS January 2020 | 28 Feb 2020 |
MBSS January 2019 pdf | 8 Mar 2019 |
MBSS February 2019 pdf | 27 Mar 2019 |
MBSS FEBRUARY 2015 | 20 Jul 2015 |
MBSS December 2019 | 31 Jan 2020 |
MBSS Data September 2019 | 31 Oct 2019 |
MBSS Data October 2019 | 29 Nov 2019 |
MBSS Data November 2019 V2 | 22 Jan 2020 |
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 ascending | Published |
---|---|
2020-01-03 PDF | 6 Jan 2020 |
2020-01-03 Excel | 6 Jan 2020 |
2020-01-02 Pdf | 6 Jan 2020 |
2020-01-02 Excel | 6 Jan 2020 |
2020-01-01 PDF | 3 Jan 2020 |
2020-01-01 Excel | 3 Jan 2020 |
2019-12-31 PDF | 3 Jan 2020 |
2019-12-31 Excel | 3 Jan 2020 |
2019-12-30 pdf | 2 Jan 2020 |
2019-12-30 Excel | 2 Jan 2020 |
STOR
Fast reserve
Name Sort ascending | Published |
---|---|
1_Market Report Aug 2017 | 18 Aug 2017 |
11_Market Report Sept 2017_V2 | 22 Sep 2017 |
11_Market Report October 2017 | 19 Oct 2017 |
11_Market Report November 2017 | 20 Nov 2017 |
11_Market Report March 2018 | 20 Mar 2018 |
11_Market Report July 2017 | 20 Jul 2017 |
11_Market Report December 2017 | 20 Dec 2017 |
Fast Reserve Market Report July | 19 Jul 2018 |
FFR market information reports