System balancing reports
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 NESO Data Portal.
Please see link below for the location:
Past MBSS packs
Past MBSS packs
From 1st March 2020, Daily balancing costs (BSUoS) files will be published on our new NESO Data Portal.
Please see link below for the daily historic outturn & forecast file:
https://data.nationalenergyso.com/balancing/bsuos-monthly-cost
Please see link below for the daily balancing costs data files:
https://data.nationalenergyso.com/balancing/daily-balancing-costs-balancing-services-use-of-system
Please see link below for the daily balancing costs report files:
| Name | Published Sort ascending |
|---|---|
| 2019-07-22 excel | 24 Jul 2019 |
| 2019-07-23 Excel | 24 Jul 2019 |
| 2019-07-22 pdf | 24 Jul 2019 |
| 2019-07-23 pdf | 24 Jul 2019 |
| 2019-07-21 pdf | 23 Jul 2019 |
| 2019-07-21 Excel | 23 Jul 2019 |
| 2019-07-19 pdf | 22 Jul 2019 |
| 2019-07-20 pdf | 22 Jul 2019 |
| 2019-07-19 Excel | 22 Jul 2019 |
| 2019-07-20 excel | 22 Jul 2019 |
STOR
Fast reserve
FFR market information reports