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 Data November 2019 | 31 Dec 2019 |
MBSS DATA MAY14 | 20 Jul 2015 |
MBSS Data May 2019 | 30 Jun 2019 |
MBSS Data March 2019 excel | 7 May 2019 |
MBSS Data June 2019 | 31 Jul 2019 |
MBSS DATA JUN14 | 20 Jul 2015 |
MBSS Data July 19 | 30 Aug 2019 |
MBSS Data January 2020 V2 | 9 Mar 2020 |
MBSS Data January 2020 | 28 Feb 2020 |
MBSS Data January 2019 | 8 Mar 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 |
---|---|
2019-12-29 pdf | 31 Dec 2019 |
2019-12-29 Excel | 31 Dec 2019 |
2019-12-28 PDF | 31 Dec 2019 |
2019-12-28 Excel | 31 Dec 2019 |
2019-12-27 pdf | 31 Dec 2019 |
2019-12-27 Excel | 31 Dec 2019 |
2019-12-26 pdf | 30 Dec 2019 |
2019-12-26 Excel | 30 Dec 2019 |
2019-12-25 pdf | 30 Dec 2019 |
2019-12-25 Excel | 30 Dec 2019 |
STOR
Fast reserve
FFR market information reports