Distribution Connection and Use of System Agreement

The Distribution Connection and Use of System Agreement (DCUSA) provides a single centralised document which relates to the connection to and use of the electricity distribution networks. It includes the charging methodologies for connection to, and use of, the electricity distribution networks.

All licensed electricity distributors and suppliers are required to become parties to the DCUSA.

If you wish to discuss whether you need to be a party to this code and, if so, how to become one, please contact DCUSA.

Distribution Connection and Use of System Agreement Modifications

Our decisions on proposed changes to this agreement are included below.

Publications and updates

  • Published: 13th Mar 2012
  • Other
  • 1 Associated documents
DCP105 seeks to restrict Distribution Network Operators (DNOs) to making changes to Distribution Use of System (DUoS) charges on 1 April and 1 October only, removing the ‘reasonable endeavours’ option.

  • Published: 27th Jan 2012
  • Other
  • 1 Associated documents
This proposal sought to update the DCUSA to reflect the modifications that were made to the standard conditions of the electricity distribution licences following implementation of the EU Third Package for Electricity and Gas Markets.

  • Published: 9th Dec 2011
  • Other
  • 1 Associated documents
The proposal would amend the Common Distribution Charging Methodology (CDCM) to exclude ‘Load related new connections & reinforcement (net of contributions)’ costs from Licensed Distribution Network Operators’ (LDNOs) discounts.

  • Published: 9th Dec 2011
  • Guidance
  • 1 Associated documents
This proposal sought to ensure that the Low Voltage (LV) costs in the Price Control Disaggregation Model are disaggregated into LV service costs and LV mains costs before allocation.

  • Published: 9th Dec 2011
  • Other
  • 1 Associated documents
DCP096 would exclude Transmission Exit Charges when calculating Licensed Distribution Network Operators’ (LDNOs’) discounts after cost allocation through the Common Distribution Charging Methodology (CDCM) charging model.

  • Published: 9th Dec 2011
  • Guidance
  • 1 Associated documents
DCP097 would change the method by which Licensed Distribution Network Operators (LDNOs) operating out of area have their discounts calculated through a revision to cost allocation in the charging model.

  • Published: 6th Dec 2011
  • Other
  • 1 Associated documents
This proposal puts in place billing arrangements for ‘nested networks’ distribution systems.

  • Published: 24th Oct 2011
  • Licence applications
  • 1 Associated documents
This change clarifies that unless the distributor and customer both agree otherwise, the terms of any connection will be those set out in the National Terms of Connection (NTC) document.

  • Published: 24th Oct 2011
  • Guidance
  • 1 Associated documents
This change will require distributors to publish further information which will allow consumers to better predict their charges.

  • Published: 24th Oct 2011
  • Other
  • 1 Associated documents
This change ensures consistency between the Distribution Connection and Use of System Agreement (DCUSA) and the recent guidance produced by Ofgem regarding the criteria for determining the urgent status for change proposals.

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