Skip to main navigation

Our response to coronavirus

Find out how we're working to keep Great Britain’s lights on reliably throughout the outbreak
Read more
Home
ESO
  • ESO
  • Group PLC
  • NG in the UK
  • NG in the US
  • About us
  • Careers
  • Investors
  • Data Portal
  • News
  • Contact us
  • Back
  • Who we are
    • Back
    • Home
    • Who we are
    • What we do
    • Our people
    • How we're organised
    • Meet the board
  • Electricity explained
    • Back
    • Home
    • Electricity explained
    • Monthly Insights
    • Zero carbon explained
    • Carbon intensity explained
    • Electric cars explained
    • Power cuts explained
  • Future of energy
    • Back
    • Home
    • Future of energy
    • Future Energy Scenarios (FES)
    • Innovation
      • Back
      • Future of energy
      • Innovation
      • Strategy
      • News and events
      • Get involved
    • Projects
      • Back
      • Future of energy
      • Projects
      • Early Competition Plan
      • Offshore Coordination Project
  • Industry information
    • Back
    • Home
    • Industry information
    • Connections
      • Back
      • Industry information
      • Connections
      • Domestic connections and homeowners
      • New connections
      • Applying for a connection
      • Developing your connection
      • After you have connected
      • Registers, reports, and guidance
      • Use of System (UoS) and Virtual Lead Party (VLP)
    • Balancing Services
      • Back
      • Industry information
      • Balancing Services
      • Frequency response services
      • Reserve services
      • System security services
      • Reactive power services
      • Trading
      • Settlements
      • Balancing Mechanism Wider Access
      • Get involved
    • Charging
      • Back
      • Industry information
      • Charging
      • Balancing Services Use of System (BSUoS) charges
      • Transmission Network Use of System (TNUoS) charges
      • Assistance for Areas with High Electricity Distribution Costs (AAHEDC)
      • Connection charges
      • Charging guidance
      • Charging policy developments
      • Charging statements
      • Submit a charging query
    • Codes Homepage
      • Back
      • Industry information
      • Codes Homepage
      • Connection and Use of System Code (CUSC)
      • Grid Code (GC)
      • System Operator Transmission Owner Code
      • Security and Quality of Supply Standard (SQSS)
      • Balancing Settlement Code (BSC)
      • European Network Codes (ENC)
      • Codes calendar
      • Help and Support
      • About the Codes Team
    • Industry Data and Reports
      • Back
      • Industry information
      • Industry Data and Reports
      • System Incidents Report
      • Data finder and explorer
      • Forecast volumes and costs
      • GB Electricity System Operator Daily Reports
      • System balancing reports
      • Monthly transmission loss data (4l)
      • System constraints
      • Voltage costs
    • Keeping the lights on throughout coronavirus
    • Our consultation responses
  • Our strategy
    • Back
    • Home
    • Our strategy
    • Forward Plan
      • Back
      • Our strategy
      • Forward Plan
      • How we're performing
    • RIIO
      • Back
      • Our strategy
      • RIIO
      • RIIO-2 final business plan
      • Future planning 2021 onwards
      • Have your say on our future plan
      • RIIO-2 Stakeholder Group
  • Research & publications
    • Back
    • Home
    • Research & publications
    • Whole electricity system
    • Summer Outlook
    • Winter Outlook
    • ​Electricity Ten Year Statement (ETYS)
    • Network Options Assessment (NOA)
      • Back
      • Research & publications
      • Network Options Assessment (NOA)
      • Network Development Roadmap
    • System Operability Framework (SOF)
    • Future of balancing services
    • Transmission performance reports
    • Regional Development Programmes

Breadcrumb

  • Industry information
  • Industry Data and Reports

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).

Transmission Licence C16 Statements can be found on the Transmission Licence C16 page.

Monthly balancing services summaries (MBSS)Past MBSS packsDaily balancing costs (BSUoS)STORFast reserveFFR market information reportsFFR pre and post tender

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:

https://data.nationalgrideso.com/balancing/mbss

Published Sort ascending Name
9 Mar 2020MBSS January 2020 V2
9 Mar 2020MBSS Data January 2020 V2
28 Feb 2020MBSS Data January 2020
28 Feb 2020MBSS January 2020
31 Jan 2020MBSS December 2019
31 Jan 2020MBSS Data December 2019
22 Jan 2020MBSS November 2019 V3
22 Jan 2020MBSS Data November 2019 V2
8 Jan 2020MBSS November 2019 V2
31 Dec 2019MBSS November 2019
31 Dec 2019MBSS Data November 2019
29 Nov 2019MBSS October 2019
29 Nov 2019MBSS Data October 2019
31 Oct 2019MBSS September 2019
31 Oct 2019MBSS Data September 2019
30 Sep 2019MBSS August 2019
30 Sep 2019MBSS Data August 2019
30 Aug 2019MBSS Data July 19
30 Aug 2019MBSS July 2019
31 Jul 2019MBSS June 2019

Pagination

  • Current page 1
  • Page 2
  • Page 3
  • Page 4
  • Page 5
  • Page 6
  • Page 7
  • Page 8
  • Next page
  • Last pageLast
153

Past MBSS packs

 

 

Published Sort ascending Name
17 Nov 20152012_13 - MBSS Pack
17 Nov 20152011_12 - MBSS Pack
17 Nov 20152008_09 - MBSS Pack
17 Nov 20152014_15 - MBSS Pack
17 Nov 20152009_10 - MBSS Pack
17 Nov 20152007_08 - MBSS Pack
17 Nov 20152013_14 - MBSS Pack
17 Nov 20152010_11 - MBSS Pack
17 Nov 20152006_07 - MBSS Pack
9

Daily balancing costs (BSUoS)

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:

https://data.nationalgrideso.com/balancing/daily-balancing-cost-report-balancing-services-use-of-system

 

 

Published Sort ascending Name
5 Feb 20202020-02-01 EXCEL
5 Feb 20202020-02-03 pdf
5 Feb 20202020-01-29 pdf
5 Feb 20202020-02-03 excel
4 Feb 20202020-02-02 pdf
4 Feb 20202020-02-02 Excel
3 Feb 20202020-01-30 pdf
3 Feb 20202020-01-31 EXCEL
3 Feb 20202020-01-30 excel
3 Feb 20202020-01-31 PDF
31 Jan 20202020-01-27 pdf
31 Jan 20202020-01-27 Excel
30 Jan 20202020-01-28 excel
30 Jan 20202020-01-28 pdf
28 Jan 20202020-01-26 pdf
28 Jan 20202020-01-25 pdf
28 Jan 20202020-01-26 Excel
28 Jan 20202020-01-25 Excel
27 Jan 20202020-01-24 EXCEL
27 Jan 20202020-01-24 PDF

Pagination

  • First pageFirst
  • Previous pagePrevious
  • Page 1
  • Page 2
  • Page 3
  • Current page 4
  • Page 5
  • Page 6
  • Page 7
  • Page 8
  • Page 9
  • …
  • Next page
  • Last pageLast
1610

STOR

Published Sort ascending Name
11 Oct 2019TR39_MIR_tables_and_charts
11 Oct 2019STOR TR39 MIR
20 Sep 2019TR39 Results Appendix - EXT
26 Jul 2019TR38_MIR_tables_and_charts
26 Jul 2019STOR TR38 MIR
28 Jun 2019TR38 Results Appendix - EXT
22 Mar 2019TR37_MIR_tables_and_charts
22 Mar 2019STOR TR37 MIR
26 Feb 2019TR37 Results Appendix (Corrected STOR ID) - EXT
22 Feb 2019TR37 Results Appendix - EXT
6 Nov 2018STOR - Update for Market Participants
12 Oct 2018TR36_MIR_tables_and_charts
12 Oct 2018STOR TR36 MIR
21 Sep 2018TR36 Results Appendix - EXT
27 Jul 2018TR35_MIR_tables_and_charts
27 Jul 2018STOR TR35 MIR
29 Jun 2018TR35 Results Appendix
23 Mar 2018STOR TR34 MIR
23 Mar 2018TR34_MIR_tables_and_charts
6 Mar 2018TR34 Results Appendix v2

Pagination

  • Current page 1
  • Page 2
  • Page 3
  • Page 4
  • Next page
  • Last pageLast
80

Fast reserve

Published Sort ascending Name
4 Aug 2020FR Market Information September20
25 Jun 2020FR Market Information August20
16 Jun 2020FR Market Information July20
30 Apr 2020FR Market Information June20
30 Apr 2020FR Market Information Feb19
30 Apr 2020FR Market Information Apr19
9 Apr 2020Fast Reserve Market Information Report - Guide
8 Apr 2020FR Market Information May20
8 Apr 2020FR Market Information March20
8 Apr 2020FR Market Information April20
20 Dec 2019Fast Reserve Webex December 2019
20 Dec 2019Fast Reserve Market Information Data February 2020
20 Dec 2019Fast Reserve Market Information Report February 2020
17 Dec 2019Fast Reserve Market Report December 2019
13 Dec 2019Fast Reserve OCP Webinar December 2019
26 Nov 2019Fast Reserve Market Information Data December 2019
26 Nov 2019Fast Reserve Market Information Report January 2020
22 Nov 2019Fast Reserve Webex November 2019
19 Nov 2019Fast Reserve Market Report November 2019
25 Oct 2019Fast Reserve Webex November 2019

Pagination

  • Current page 1
  • Page 2
  • Page 3
  • Page 4
  • Page 5
  • Page 6
  • Page 7
  • Page 8
  • Page 9
  • Next page
  • Last pageLast
162

FFR market information reports

Published Sort ascending Name
24 Jul 2020FFR Market Information - Sept 2020 - Table
24 Jul 2020FFR Market Information - Sept 2020
25 Jun 2020FFR Market Information - Aug2020
25 Jun 2020FFR Market Information - Aug 2020 - table
27 May 2020FFR Market information - July 2020- table
27 May 2020FFR Market Information -July 2020
28 Apr 2020FFR Market Information - June 2020 - table
28 Apr 2020FFR Market Information - June 2020
25 Mar 2020FFR Market Information - May 20
25 Mar 2020FFR Market Information - May 20 Table
27 Feb 2020FFR Market Information - Apr 20
27 Feb 2020FFR Market Information Apr-20 Table
24 Jan 2020FFR Market Information Mar -20 Table
24 Jan 2020FFR Market Information Mar -20
17 Dec 2019FFR Market Information Feb- 20
17 Dec 2019FFR Market Information Feb- 20 Table
26 Nov 2019FFR Market Information Jan- 20
26 Nov 2019FFR Market Information Jan- 20 Table
24 Oct 2019FFR Market information Dec - 19
24 Oct 2019FFR Market Information Dec-19 table

Pagination

  • Current page 1
  • Page 2
  • Page 3
  • Page 4
  • Page 5
  • Page 6
  • Page 7
  • Next page
  • Last pageLast
122

FFR pre and post tender

Published Sort ascending Name
30 Jul 2020Post Tender Report TR127 July 2020 - Amended
16 Jul 2020Post Tender Report- TR127 July 2020 – EXT
6 Jul 2020Post Tender Report- TR126 June 2020 - Amended- EXT
16 Jun 2020Post Tender Report- TR126 June 2020 - EXT
19 May 2020Post Tender Report- TR125 May 2020 - EXT
20 Apr 2020Post Tender Report- TR124 April 2020- EXT
17 Mar 2020Post Tender Report - TR123 March 2020- EXT
14 Feb 2020Post Tender Report - TR122 February 2020- EXT
16 Jan 2020Post Tender Report- TR121 January 2020- EXT
13 Dec 2019Post Tender Report - TR120 December 2019 - EXT
18 Nov 2019Post Tender Report - TR119 November 2019 - EXT
16 Oct 2019Post Tender Report - TR118 October 2019 - EXT
17 Sep 2019Post Tender Report - TR117 September 2019 - EXT
16 Aug 2019Post Tender Report - TR116 August 2019 -EXT
16 Jul 2019Post Tender Report - TR115 July 2019 - EXT
18 Jun 2019Post Tender Report - TR114 June 2019 - EXT
16 May 2019Post Tender report - TR113 May 2019 - EXT
16 Apr 2019Post Tender report - TR112 April 2019 - EXT
15 Mar 2019Post Tender Report - TR111 March 2019
14 Feb 2019Post Tender Report - TR110 February 2019

Pagination

  • Current page 1
  • Page 2
  • Page 3
  • Page 4
  • Page 5
  • Next page
  • Last pageLast
83
National Grid ESO
© National Grid 2020

Connect with us

  • Twitter
  • LinkedIn
  • Youtube
  • Connect with us
    • Media centre
    • Work for us
  • About us
    • Compliance Statements
  • Privacy policy
    • Cookie policy
    • Terms and conditions
    • Security
    • Modern Slavery Statement
© National Grid 2020
Top