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).

STOR

Name Published
STOR Fuel Type Analysis Summary (By Capacity) - Season 8_5 10 Jul 2017
STOR Market Information for TR25 STOR Runway - Appendix 10 Jul 2017
STOR Market Information for TR25 - Appendix 10 Jul 2017
STOR_Annual_Market_Report_2013_14_Data 10 Jul 2017
STOR_Annual_Market_Report_2013_14 10 Jul 2017
STOR Market Information for TR25_Tables_and_Charts v.2 10 Jul 2017
STOR Market Information report for TR25 v.2 10 Jul 2017
STOR Carbon Impact Analysis Report 10 Jul 2017
STOR Market Information for TR26 STOR Runway_Appendix 10 Jul 2017
STOR Market Information for TR26_Appendix V2 10 Jul 2017

Fast reserve

Name Published
Fast Reserve Webex July 2019 24 Jul 2019
Fast Reserve Market Information Data Sept 2019 24 Jul 2019
Fast Reserve Market Information Report September 2019 24 Jul 2019
Fast Reserve Market Report July 2019 17 Jul 2019
Fast Reserve Market Information Report August 2019 26 Jun 2019
Fast Reserve Market Information Data August 2019 26 Jun 2019
Fast Reserve Webex June 2019 26 Jun 2019
Fast Reserve Market Report June 2019 18 Jun 2019
Fast Reserve Market Information Data July 2019 24 May 2019
Fast Reserve Market Information Report July 2019 24 May 2019

FFR market information reports

Name Published
Frequency Response Products Market Information Report - June 2021 28 Apr 2021
FFR Market Information Report Apr 2021 1 Apr 2021
Frequency Response Products MIR Apr 2021 1 Apr 2021
FFR Market Information - June 2021- Table 26 Mar 2021
Frequency Response Products Market Information Report - May 2021 26 Mar 2021
Frequency Response Products MIR Mar 2021v.2 1 Mar 2021
FFR Market Information - April 2021- Table 25 Feb 2021
Frequency Response Products Market Information Report - April 2021 25 Feb 2021
Frequency Response Products Market information Report - March 2021 - Amended 4 Feb 2021
FFR Market Information Report Feb 2021 Data 1 Feb 2021

FFR pre and post tender

Name Published
FFR Post Tender Report - May 2018 TR101- EXT 17 May 2018
FFR Post Tender Report - April 2018 TR100 - EXT 18 Apr 2018
FFR -Post Tender Report - March 2018 TR99 - EXT 16 Mar 2018
Post Tender report - February 2018 TR98 - EXT 16 Feb 2018
Post Tender Report-January 2018 - TR97 EXT 17 Jan 2018
Post Tender Report-December 2017 - EXT 18 Dec 2017
Post Tender Report-November 2017 - EXT 16 Nov 2017
Post Tender Report-October 2017 - EXT amended 17 Oct 2017
Post Tender Report-October 2017 - EXT 17 Oct 2017
Industry Clarification Letter 29 Sep 2017