Independent Distribution Network Operators

Independent Distribution Network Operators (IDNOs) develop, operate and maintain local electricity distribution networks.

IDNO networks are directly connected to the Distribution Network Operator (DNO) networks or indirectly to the DNO via another IDNO.

What is the difference between an IDNO and a DNO?

Each of the 14 DNOs covers a separate geographical region of Great Britain. IDNOs own and operate smaller networks located within the areas covered by the DNOs. IDNO networks are mainly extensions to the DNO networks serving new housing and commercial developments.

 These are the currently licensed IDNOs:

  • Energy Assets Power Networks Limited
  • Energetics Electricity Limited
  • ESP Electricity Limited
  • Harlaxton Energy Networks Limited
  • Independent Power Networks Limited
  • Peel Electricity Network Limited
  • The Electricity Network Company Limited
  • UK Power Distribution Limited
  • Utility Assets Limited
  • Utility Distribution Networks Ltd

IDNOs are regulated in the same way as DNOs, except the IDNO licence does not have all the conditions of the DNO licence.

We regulate the amounts that IDNOs can charge their customers for using their networks via a ‘Relative Price Control’. This requires IDNO charges to be capped for all customers at a level broadly consistent with the DNO equivalent charge.

Publications and updates

  • Published: 28th Mar 2017
  • Decisions
  • 1 Associated documents
Decision to approve Energy Assets Power Networks Ltd Safety and Security of Supplies Enquiry Service Statement which is required to comply with Standard Licence Condition 8 of its Distribution Licence.

  • Published: 28th Feb 2017
  • Decisions
  • 1 Associated documents
Decision to approve UK Power Distribution Ltd’s Safety and Security of Supplies Enquiry Service Statement which is required to comply with Standard Licence Condition 8 of its Distribution Licence.

  • Published: 27th Feb 2017
  • Decisions
  • 1 Associated documents
Decision to approve Utility Distribution Networks Ltd’s proposed Safety and Security of Supplies Enquiry Service Statement which is required to comply with Standard Licence Condition 8 of its Distribution Licence.

  • Published: 23rd Jan 2017
  • Closed: 24th Feb 2017
  • Consultations & responses
  • 1 Associated documents
This notice sets out our proposal to modify the electricity distribution licence that we are minded to grant Energy Assets Power Networks Limited so that it contains only the conditions relevant to independent electricity distribution network operators.

  • Published: 8th Dec 2016
  • Closed: 13th Jan 2017
  • Consultations & responses
  • 1 Associated documents
This notice sets out our proposal to modify the electricity distribution licence that we are minded to grant Utility Distribution Networks Limited so that it contains only the conditions relevant to independent electricity distribution network operators.

  • Published: 28th Jul 2016
  • Decisions
  • 2 Associated documents
Decision to approve G2 Energy IDNO Limited’s proposed Safety and Security of Supplies Enquiry Service Statement in compliance with Standard Licence Condition 8 of its Distribution Licence.

  • Published: 6th Jul 2016
  • Decisions
  • 3 Associated documents
Ofgem’s decision to approve UK Power Distribution Limited’s proposed Use of System Charging Methodology and Use of System Charging Statement effective 1 July 2016.

  • Published: 7th Apr 2016
  • Closed: 9th May 2016
  • Consultations & responses
  • 1 Associated documents
This notice sets out our proposal to modify the electricity distribution licence that we are minded to grant G2 Energy IDNO Limited so that it contains only the conditions relevant to independent electricity distribution network operators.

  • Published: 15th Mar 2016
  • Decisions
  • 1 Associated documents
Decision to approve UK Power Distribution Ltd’s proposed Safety and Security of Supplies Enquiry Service Statement which is required to comply with Standard Licence Condition 8 of its Distribution Licence.

  • Published: 11th Dec 2015
  • Closed: 22nd Jan 2016
  • Consultations & responses
  • 6 Associated documents
We are proposing changes to the Disapplication Conditions of Independent Gas Transporter and Independent Distribution Network Operator licences following changes introduced by the Third Package Regulations

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