RIIO-GD1 price control

RIIO-GD1 is the first gas distribution price control review to use the RIIO model (Revenue = Incentives+Innovation+Outputs) of network regulation. 

The RIIO-GD1 price control sets out the outputs that the eight Gas Distribution Networks (GDNs) need to deliver for their consumers and the associated revenues they are allowed to collect for the eight-year period from 1 April 2013 until 31 March 2021.

The RIIO model of network regulation is designed to drive real benefits for consumers. It provides the companies with strong incentives to step up and meet the challenges of delivering a low carbon, sustainable energy sector at value for money for existing and future consumers.

Publications and updates

  • Published: 19th Dec 2017
  • Reports and plans
  • 2 Associated documents
Report showing the performance of the gas distribution network companies in 2016-17, the fourth year of the current RIIO-GD1 price control.

  • Published: 1st Dec 2017
  • Closed: 8th Jan 2018
  • Consultations and responses
  • 1 Associated documents
In our MPR parallel work decision, we decided to amend GDNs’ reliability (loss of supply) targets. We seek views on what we think the new targets should be.

  • Published: 30th Nov 2017
  • Decisions
  • 2 Associated documents
Completion of Ofgem’s 2017 reasonableness review and revision of pension allowances.

  • Published: 30th Nov 2017
  • Decisions
  • 5 Associated documents
Directions issued in respect of the Annual Iteration Process which took place by 30 November 2017 for the RIIO-GD1 Price Control Financial Model.

  • Published: 30th Nov 2017
  • Decisions
  • 1 Associated documents
This is the GD1 Price Control Financial Model following the completion of the Annual Iteration Process in November 2017.

  • Published: 30th Nov 2017
  • Decisions
  • 2 Associated documents
This model calculates the Cost of Debt variable value for all four Price Controls for AIP 2017.

  • Published: 13th Oct 2017
  • Closed: 27th Oct 2017
  • Consultations and responses
  • 10 Associated documents
Notice of our provisional revised pension allowance values and 2017 reasonableness review of RIIO network operators’ pension deficits.

  • Published: 14th Sep 2017
  • Decisions
  • 6 Associated documents
Decision on GDN’s proposed modifications to the gas distribution NOMs Methodology.

  • Published: 28th Jul 2017
  • Decisions
  • 5 Associated documents
Our Decision following review and consultation to modify the Pension Regulatory Instructions and Guidance.

  • Published: 18th Jul 2017
  • News and blogs
  • 0 Associated documents
Gas Distribution Licensees have published their proposals to modify their Network Output Measures (NOMs) Methodology.

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