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_DATA_JAN18 | 2 Mar 2018 |
MBSS_Jan_2018 V2 | 8 Mar 2018 |
MBSS_DATA_JAN18 V2 | 8 Mar 2018 |
MBSS_November_2016 V3 | 12 Mar 2018 |
MBSS_APRIL_2016 V2 | 12 Mar 2018 |
MBSS_Feb_2018 | 29 Mar 2018 |
MBSS_DATA_FEB18 | 29 Mar 2018 |
Procurement guidelines report 2017-18 | 30 Apr 2018 |
MBSS March 2018 | 4 May 2018 |
MBSS_DATA_MAR18 | 9 May 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 |
---|---|
2018-02-03 excel | 6 Feb 2018 |
2018-02-05 pdf | 6 Feb 2018 |
2018-02-04 pdf | 6 Feb 2018 |
2018-02-07 excel | 8 Feb 2018 |
2018-02-07 pdf | 8 Feb 2018 |
2018-02-08 excel | 9 Feb 2018 |
2018-02-08 pdf | 9 Feb 2018 |
2018-02-10 pdf | 12 Feb 2018 |
2018-02-06 pdf | 12 Feb 2018 |
2018-02-10 excel | 12 Feb 2018 |
STOR
Fast reserve
Name | Published Sort descending |
---|---|
Fast Reserve Webex August 19 | 23 Aug 2019 |
Fast Reserve Market Information Report October 2019 | 23 Aug 2019 |
Fast Reserve Market Report September 2019 | 17 Sep 2019 |
Fast Reserve Market Information Data November 2019 | 25 Sep 2019 |
Fast Reserve Webex Sept 2019 | 25 Sep 2019 |
Fast Reserve Market Information Report November 2019 | 25 Sep 2019 |
Fast Reserve Market Report October 2019 | 17 Oct 2019 |
Fast Reserve Market Information Report December 2019 | 24 Oct 2019 |
Fast Reserve Market Information Data Oct 2019 | 24 Oct 2019 |
Fast Reserve Webex November 2019 | 25 Oct 2019 |
FFR market information reports
Name | Published Sort descending |
---|---|
FFR Market Information - June 2020 - table | 28 Apr 2020 |
FFR Market Information -July 2020 | 27 May 2020 |
FFR Market information - July 2020- table | 27 May 2020 |
FFR Market Information - Aug 2020 - table | 25 Jun 2020 |
FFR Market Information - Aug2020 | 25 Jun 2020 |
FFR Market Information - Sept 2020 - Table | 24 Jul 2020 |
FFR Market Information - Sept 2020 | 24 Jul 2020 |
FFR Market Information Report Oct 2020 Table | 25 Aug 2020 |
FFR Market Information Report Oct 2020 | 25 Aug 2020 |
FFR Market Information - Nov 2020- Table | 24 Sep 2020 |