Our response to coronavirus

Find out how we're working to keep Great Britain’s lights on reliably throughout the outbreak

Read more

Other ENC Documents

All other documents relating to ENCs are available here to download, including factsheets, proposals and consultations.

For more information, please contact [email protected].

Factsheets

Published	Name
25 Jun 2018	SOGL Factsheet
25 Jun 2018	Overview Factsheet
25 Jun 2018	CACM Factsheet
25 Jun 2018	DCC Factsheet
25 Jun 2018	EBGL Factsheet
25 Jun 2018	ER Factsheet
25 Jun 2018	FCA Factsheet
25 Jun 2018	HVDC Factsheet
25 Jun 2018	RfG Factsheet

Joint European Stakeholder Group (JESG) Documents

Published	Name
3 Mar 2015	JESG Terms of Reference
23 Oct 2018	TSO Voting Record and Methodology Status Overview

European Connection Codes Customer Letter

Published	Name
4 Dec 2017	European Connection Codes Customer Letter
2 Jul 2018	Notification of Concluded Contract (ECCs)

Proposals (Pending Approval)

Published	Name
15 Aug 2018	SOGL Art 75 Methodology for coordinating operational security analysis
15 Aug 2018	SOGL Art 84 Methodology for assessing the relevance of assets
10 Sep 2018	EBGL - Article 19(1) Proposal for Implementation Framework for Replacement Reserves (RR)
10 Sep 2018	EBGL Article 18(1) Proposal for Terms and Conditions for Balancing
9 Oct 2018	SOGL Article 118 - Proposal - Legal text GB SAOM
9 Oct 2018	SOGL Article 118 - Proposal - Supporting LFCBOM
9 Oct 2018	SOGL Article 119 - Proposal - Legal text GB LFCBOM
9 Oct 2018	SOGL Article 119 - Proposal - Supporting GB SAOM
21 May 2019	Market Suspension Proposal
21 May 2019	SRP Issue 1 - Redacted
21 May 2019	Terms and Conditions for Providers
21 May 2019	System Defence Plan Issue 1.1
23 Aug 2019	System Defence Plan Issue 2
23 Aug 2019	System Restoration Plan Issue 2
23 Aug 2019	Terms and Conditions Proposal Issue 2
23 Aug 2019	NCER Resubmission Cover Letter
23 Aug 2019	E and R Consultation Responses
4 Sep 2019	EBGL Article 18(1) Proposal for Terms and Conditions for Balancing - Response to second RfA
19 Dec 2019	Channel SOGL Consultation Report V2 - Final
19 Dec 2019	IU Explanatory Document to the IU ROSC Methodology Proposal

Terms and Conditions or Methodologies

Published	Name
9 Oct 2017	CACM Art 69 explanatory note day-ahead firmness deadline 27 Oct 2016
6 Oct 2017	CACM Art 69 day-ahead firmness deadline 27 Oct 2016
18 Apr 2019	CACM Art 44 IU fallback procedures November 2018
6 Oct 2017	CACM Art 44 IU explanatory note fallback procedures 14 Dec 2016
6 Oct 2017	CACM Art 44 Channel fallback procedures 14 Dec 2016
25 Jan 2017	CACM Art 15(1) Capacity Calculation Regions 17 Nov 2016
6 Oct 2017	CACM Art 44 Channel explanatory note fallback procedures 14 Dec 2016
6 Oct 2017	CACM Art 44 Channel fallback procedures 14 Dec 2016
3 Feb 2017	CACM Art 57 GB TSOs Intraday proposal for arrangements concerning more than one NEMO in GB Bidding Zone 12 Dec 2016
3 Feb 2017	CACM Art 45 GB TSOs Day Ahead proposal for arrangements concerning more than one NEMO in GB Bidding Zone 12 Dec 2016
10 Sep 2018	SOGL Art 67 and Art 70 Common Grid Model Methodology 7 September 2018
8 Jun 2017	FCA Art 31 IU Regional design of long-term transmission rights 13 Oct 2017
12 May 2017	FCA Art 51 Britned Border Specific Annex to the Harmonised Allocation Rules GB – NL BORDER 13 Oct 2017
12 May 2017	FCA Art 51 Britned Border Specific Annex to the Harmonised Allocation Rules GB – NL BORDER 13 Oct 2017
11 May 2017	FCA Art 51 IFA Border Specific Annex to the Harmonised Allocation Rules GB – FR BORDER 13 Oct 2017
11 May 2017	FCA Art 31 Channel Regional design of long-term transmission rights 19 February 2018
23 May 2017	CACM Art 17 Common Grid Model Methodology 19 May 2017
25 Jan 2017	CACM Art 16 Generation and Load Data Provision Methodology 13 May 2016
12 Mar 2018	FCA Art 17 Generation and Load Data Provision Methodology 23 May 2017
16 Jul 2018	FCA Art 18 Common Grid Model Methodology 13 July 2018

Decision Letters, Associated Information, and Consultations

Published	Name
25 Jan 2017	Ofgem decision on GLDPM and CGMM
27 Jan 2016	CACM NEMO regulation consultation document
31 Mar 2017	FCA TSO voting letter decision
1 Dec 2017	ACER Decision 06-2016 on CCR
1 Dec 2017	TSOG voting decision letter
26 Apr 2016	CACM NEMO Voting Arrangements - DECC and DETI Decision Letter
22 Feb 2016	All TSOs ENC Voting Procedure - Arrangements for the UK Vote under CACM
11 Feb 2015	CACM - Allocation of UK TSO vote
13 Sep 2018	EU Prequalification Processes
27 Mar 2019	ACER IDCZP single methodology for pricing intraday cross-zonal capacity CACM Art 55
9 Apr 2020	OFGEM decision on IU LT CCM
22 Jun 2020	Annex I - RA Revisions on IU ROSC Methodology Track Changed Final
22 Jun 2020	Annex II - IU ROSC Methodology
22 Jun 2020	IU ROSC Decision
22 Jun 2020	Regulatory Authority Agreement on IU Methodology
16 Jul 2020	All TSOs_TOP_3.1.3.a_EB_50.4_FSkar_between_SAs_intended
16 Jul 2020	All TSOs_TOP_3.1.3.b_EB_50.4_51.2_FSkar_between_SAs_explanatory_doc
24 Jul 2020	Ofgem decision on Channel CCR
24 Jul 2020	Regulatory Authority Agreement on Channel CCR Methodology
29 Sep 2020	EBGL A26 Dynamic Containment

Consultations

Published	Name
2 Oct 2017	Draft implementation rules - GLPDM
2 Oct 2017	Annex 1
19 Dec 2016	GLDPM Consultation
19 Dec 2016	GLDPM Response Proforma
19 Dec 2016	GLDPM mapping for consultation
18 Nov 2016	GB MNA explanatory note for CACM art 45 and 57 submission 18Nov
18 Nov 2016	GB_Intraday_CACM_57_amended proposal
18 Nov 2016	GB_Day_Ahead_CACM_45_amended proposal
18 Nov 2016	CACM 4557 Consultation - Cover Note
6 Nov 2019	Interconnector Calculation Consultation
23 Feb 2020	Methodology for GB Commercial Arrangements relating to Interconnector Capacity Calculation
17 Jan 2020	Responses to the comments in relation to the consultation on Interconnector Capacity Calculation
3 Apr 2020	Consultation on BSC modifications impacting EBGL NCER
3 Apr 2020	Response proforma "Consultation on BSC modifications impacting EBGL NCER"

Code Mapping

Published	Name
5 Mar 2018	ER code mapping spreadsheet