DCRP/17/03 - ER P25 and P26 Working Group

EREC P25 & P26 (Short-Circuit Characteristics of LV supplies) Revision

A Revision Corresponding Group consisting of Network Operator representatives is overseeing the revision of EREC P25 and P26.

The revision of EREC P25 and P26 commenced in 2016 and is expected to be completed by the end of 2016/early 2017.

The area will be updated with revision drafts circulated to the Corresponding Group for comment/review.

Review Report for EREC P25

Review Report for EREC P26

Revision Corresponding Group Terms of Reference


Revision Drafts

1st Working Draft

2nd Working Draft

Final Working Draft

Final Working Draft for Circulated for Public Consultation

Document Amendment Summary of Revision Work


Public Consultation

Please refer to the public consultation DCRP/17/03 which opened 17 March and closed 14 April 2017 on this page.

Consultation Responses

The responses received from stakeholders and the decision of the working groups to the comments can be found here.

Report to Authority

A DCRP Report to Authority was approved by the DCRP and submitted to Ofgem on Monday 8 January 2018. The Report and its associated appendices can be found here

Decision of the Authority

On 29 January 2018 the Authority published its decision to approve this modification and agreed that the implementation date should be 1 March 2018. The decision letter can be found here.