Technical standards

There are a number of technical codes and standards that licensees are required to have in force and comply with.

These include:

Under certain circumstances, we may issue a direction to a licensee relieving it of its obligations to comply with a specified part of these obligations. These directions are generally referred to as derogations.

Publications and updates

  • Published: 13th May 2015
  • Open letters and correspondence
  • 1 Associated documents
This letter is intended to raise stakeholder awareness of a very important project that the electricity distribution network licensees have recently initiated. This is the review of Engineering Recommendation (ER) P2.

  • Published: 27th Mar 2015
  • Decisions
  • 3 Associated documents
This Direction extends the previous derogation (which relieves licensees from complying with ER P2/6 where the Group Demand is less than 60 MW under specific conditions) from SLC 24 of the Electricity Distribution Licence until 31 March 2019.

  • Published: 20th Nov 2012
  • Other
  • 1 Associated documents
This letter sets out our decision in response to a request by the electricity distribution licensees to replace Engineering Recommendation G83/1-1 with G83/2.

  • Published: 20th Aug 2012
  • Other
  • 17 Associated documents
See our 'minded to' decision in response to a request by the electricity distribution licensees.

  • Published: 27th Nov 2011
  • Open letters and correspondence
  • 1 Associated documents
Our minded to position regarding a proposed request for derogation under SLC 24 in the event of ENW being awarded funding for its C2C project.

  • Published: 19th Aug 2011
  • Closed: 30th Sep 2011
  • Consultations and responses
  • 7 Associated documents
Proposal for derogation under Standard Licence Condition 24 of the Electricity Distribution Licence by Electricity North West Limited in relation to the submission of its Capacity to Customers project under the Low Carbon Networks Fund.

  • Published: 11th Apr 2011
  • Decisions
  • 1 Associated documents
Decision regarding an update to Engineering Recommendation G59/2 to become G59/2-1, relating to the increased limit for direct current injection.

  • Published: 20th Jan 2011
  • Decisions
  • 1 Associated documents
Proposal for licence obligation in electricity distribution licences to assess Distribution Code change proposals for greenhouse gas emissions impact.

  • Published: 28th Jul 2010
  • Decisions
  • 2 Associated documents
See our decision regarding the replacement of Engineering Recommendations G59/1 and G75/1 with G 59/2 and the related changes to the Distribution Code.

  • Published: 12th Jul 2010
  • Decisions
  • 1 Associated documents
This document extends a generic derogation relating to compliance with Engineering Recommendation P2/6 first put in place in 2007.

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