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] 

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Following Brexit, NESO have been working with a market expert, Compass Lexecon, on the market options for Cross Border Balancing.  

The ESO and Compass Lexecon Cross Border Balancing webinar took place on 19 October 2023.  

In this webinar the ESO shared the results of the modelling of market options on Cross Border Balancing and allowed an opportunity to ask questions to both ESO and Compass Lexecon.

Watch the webinar here

Code Mapping

Decision Letters, Associated Information, and Consultations

Name Published
CEP 6(2) Derogation DC Sept 2020 29 Sep 2020
Ofgem decision on Channel CCR 24 Jul 2020
Regulatory Authority Agreement on Channel CCR Methodology 24 Jul 2020
All TSOs_TOP_3.1.3.b_EB_50.4_51.2_FSkar_between_SAs_explanatory_doc 16 Jul 2020
All TSOs_TOP_3.1.3.a_EB_50.4_FSkar_between_SAs_intended 16 Jul 2020
IU ROSC Decision 22 Jun 2020
Annex I - RA Revisions on IU ROSC Methodology Track Changed Final 22 Jun 2020
Regulatory Authority Agreement on IU Methodology 22 Jun 2020
Annex II - IU ROSC Methodology 22 Jun 2020
OFGEM decision on IU LT CCM 9 Apr 2020

European Connection Codes Customer Letter

GB Pricing Methodology

Joint European Stakeholder Group (JESG) Documents

Proposals (Pending Approval)

Name Published
Splitting Rules Consultation Report 5 Feb 2020
LT CCM Channel (approval package) Consultation Report 5 Feb 2020
Splitting Rules Explanatory Note 5 Feb 2020
LT CCM Channel (approval package) explanatory note 5 Feb 2020
IU Region Long Term Cross Zonal Capacity Calculation Methodology 5 Feb 2020
Spitting Rules Methodology 5 Feb 2020
LT CCM Channel (approval package) proposal 5 Feb 2020
NCER Market Suspension Matrix 23 Jan 2020
NCER Intermediate methodology for required Grid Code changes in relation to market suspension rules for Article 35(1)(b) 23 Jan 2020
NCER Market Suspension Responses 23 Jan 2020

Terms and Conditions or Methodologies

Name Published
Channel RD and CT Methodology Cost Sharing Proposal v2.6 23 November 2018 5 Feb 2019
Channel RD and CT Methodology Proposal v2.7 23 November 2018 5 Feb 2019
Channel RD and CT Explanatory Note v2.5 23 November 2018 5 Feb 2019
SOGL Article 40 Key Organisational Requirements 22 Jan 2019
SOGL Article 40 Supporting Document 22 Jan 2019
EBGL A19 RR Implementation Framework Approved 19 December 2018 20 Dec 2018
CACM Art 20 Channel Capacity Calculation Methodology 27 Sept 2018 29 Nov 2018
CACM Art 59 the intraday cross–zonal gate opening and intraday cross-zonal gate closure times 26 Apr 2018 17 Oct 2018
SOGL Art 67 and Art 70 Common Grid Model Methodology 7 September 2018 10 Sep 2018
SOGL Art 141(2) LFC blocks determination Explanatory note for GB SA 17 Nov 2017 25 Jul 2018