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 February 2019 | 27 Mar 2019 |
MBSS DATA FEB2015 | 20 Jul 2015 |
MBSS Data December 2019 | 31 Jan 2020 |
MBSS Data August 2019 | 30 Sep 2019 |
MBSS Data April 2019 V2 | 11 Jun 2019 |
MBSS Data April 2019 Excel | 31 May 2019 |
MBSS DATA APR 14 | 20 Jul 2015 |
MBSS August 2019 | 30 Sep 2019 |
MBSS April 2019 V2 | 11 Jun 2019 |
MBSS April 2019 pdf | 31 May 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 |
---|---|
2019-12-24 pdf | 30 Dec 2019 |
2019-12-24 Excel | 30 Dec 2019 |
2019-12-23 pdf | 24 Dec 2019 |
2019-12-23 Excel | 24 Dec 2019 |
2019-12-22 PDF | 24 Dec 2019 |
2019-12-22 EXCEL | 24 Dec 2019 |
2019-12-21 PDF | 24 Dec 2019 |
2019-12-21 EXCEL | 24 Dec 2019 |
2019-12-20 PDF | 24 Dec 2019 |
2019-12-20 EXCEL | 24 Dec 2019 |
STOR
Fast reserve
FFR market information reports