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_April_2018 pdf | 15 Jun 2018 |
MBSS_DATA_April_2018 Excel | 15 Jun 2018 |
MBSS_May_2018 pdf | 11 Jul 2018 |
MBSS_DATA_May_2018 Excel | 11 Jul 2018 |
MBSS_June_2018 pdf | 1 Aug 2018 |
MBSS_DATA_June_2018 Excel | 1 Aug 2018 |
MBSS _DATA_July_2018 Excel | 30 Aug 2018 |
MBSS_July_2018 pdf | 30 Aug 2018 |
MBSS_DATA_August_2018 Excel | 2 Oct 2018 |
MBSS_August_2018 pdf | 2 Oct 2018 |
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 |
---|---|
2018-02-11 pdf | 13 Feb 2018 |
2018-02-09 excel | 13 Feb 2018 |
2018-02-09 pdf | 13 Feb 2018 |
2018-02-13 pdf | 15 Feb 2018 |
2018-02-12 pdf | 15 Feb 2018 |
2018-02-13 excel | 16 Feb 2018 |
2018-02-13v2 pdf | 16 Feb 2018 |
2018-02-12 excel | 16 Feb 2018 |
2018-02-12v2 pdf | 16 Feb 2018 |
2018-02-14 excel | 19 Feb 2018 |
STOR
Fast reserve
Name | Published Sort descending |
---|---|
Fast Reserve Market Report November 2019 | 19 Nov 2019 |
Fast Reserve Webex November 2019 | 22 Nov 2019 |
Fast Reserve Market Information Data December 2019 | 26 Nov 2019 |
Fast Reserve Market Information Report January 2020 | 26 Nov 2019 |
Fast Reserve OCP Webinar December 2019 | 13 Dec 2019 |
Fast Reserve Market Report December 2019 | 17 Dec 2019 |
Fast Reserve Market Information Data February 2020 | 20 Dec 2019 |
Fast Reserve Webex December 2019 | 20 Dec 2019 |
Fast Reserve Market Information Report February 2020 | 20 Dec 2019 |
FR Market Information April20 | 8 Apr 2020 |
FFR market information reports