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_AUGUST_2016(1) | 4 Oct 2016 |
MBSS_August_2015 | 25 Sep 2015 |
MBSS_AUGUST_2014 | 20 Jul 2015 |
MBSS_April_2018 pdf | 15 Jun 2018 |
MBSS_April_2017 | 1 Jun 2017 |
MBSS_APRIL_2016 V2 | 12 Mar 2018 |
MBSS_APRIL_2016 | 27 May 2016 |
MBSS_APRIL_2015 | 20 Jul 2015 |
MBSS _DATA_July_2018 Excel | 30 Aug 2018 |
MBSS 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 Sort ascending | Published |
---|---|
2020-01-13 pdf | 14 Jan 2020 |
2020-01-13 excel | 14 Jan 2020 |
2020-01-12 pdf | 14 Jan 2020 |
2020-01-12 excel | 14 Jan 2020 |
2020-01-11 pdf | 14 Jan 2020 |
2020-01-11 excel | 14 Jan 2020 |
2020-01-10 PDF | 14 Jan 2020 |
2020-01-10 EXCEL | 14 Jan 2020 |
2020-01-09 PDF | 10 Jan 2020 |
2020-01-09 EXCEL | 10 Jan 2020 |
STOR
Fast reserve
Name Sort ascending | Published |
---|---|
Fast Reserve Market Information Data (June 18) | 26 Apr 2018 |
Fast Reserve Market Information Data (July 18) | 25 May 2018 |
Fast Reserve Market Information Data (January 18) v2 | 20 Feb 2018 |
Fast Reserve Market Information Data (January 18) | 24 Nov 2017 |
Fast Reserve Market Information Data (February 18)v2 | 20 Feb 2018 |
Fast Reserve Market Information Data (February 18) | 22 Dec 2017 |
Fast Reserve Market Information Data (December 2018) | 22 Oct 2018 |
Fast Reserve Market Information Data (August-18) | 22 Jun 2018 |
Fast Reserve Market Information Data (April 18) | 26 Feb 2018 |
Fast Reserve Market Information (September-18) | 25 Jul 2018 |
FFR market information reports
Name Sort ascending | Published |
---|---|
FFR Market Information (Dec 18) | 24 Oct 2018 |
FFR Market Information (Dec 17) Table | 25 Oct 2017 |
FFR Market Information (Dec 17) | 25 Oct 2017 |
FFR Market Information (Dec 16) Tables | 26 Oct 2016 |
FFR Market Information (Dec 16) | 26 Oct 2016 |
FFR Market information (August 19) Table | 26 Jun 2019 |
FFR Market Information (Aug-18) Table | 26 Jun 2018 |
FFR Market Information (Aug-18) | 26 Jun 2018 |
FFR Market Information (Aug 19) | 26 Jun 2019 |
FFR Market Information (Aug 17) Tables | 22 Jun 2017 |