RIIO-T1 price control

Publications and updates

  • Published: 19th May 2016
  • Decisions
  • 1 Associated documents
Decision relating to a modified set of electricity transmission regulatory instructions and guidance (RIGs) and reporting templates for 2015/16 annual reporting.

  • Published: 27th Apr 2016
  • Closed: 8th Jun 2016
  • Consultations and responses
  • 7 Associated documents
We’re consulting on values for the RIIO-T1 stakeholder satisfaction output and to reconsider the available options and re-consult on all the values to be determined.

  • Published: 31st Mar 2016
  • Decisions
  • 1 Associated documents
This letter presents our decision on the project’s updated timeline and updates stakeholders on the ongoing work to develop RIIO accounts, intended to be in time for network companies to publish these for 2016-17 in September 2017.

  • Published: 22nd Mar 2016
  • Reports and plans
  • 1 Associated documents
This report is for all stakeholders. It reviews the progress National Grid Gas Transmission has made in the second year of RIIO-ET1 and its forecast for the remainder of the eight-year period.

  • Published: 11th Mar 2016
  • Closed: 11th Apr 2016
  • Consultations and responses
  • 9 Associated documents
Notice relating to a modified set of electricity transmission regulatory instructions and guidance (RIGs) and reporting templates for 2015-16 annual reporting.

  • Published: 18th Feb 2016
  • Guidance
  • 6 Associated documents
We are proposing modifications to the EDR guidance. We wish to clarify the evidence to be provided and simplify aspects of the assessment criteria and scoring to ensure that they better accord with the objectives of the scheme.

  • Published: 10th Dec 2015
  • Reports and plans
  • 1 Associated documents
This report reviews the progress companies have made in the second year (2014-15) of the RIIO-T1 period, and their forecast for the remainder of the eight year period until 2021.

  • Published: 30th Nov 2015
  • Decisions
  • 3 Associated documents
Directions issued under the Special Conditions of the electricity transmission licence in respect of the Annual Iteration Process which took place by 30 November 2015 for the ET1 Price Control Financial Model.

  • Published: 13th Nov 2015
  • Decisions
  • 1 Associated documents
The Environmental Discretionary Reward (EDR) is designed to encourage and recognise good environmental performance from the three companies who own the electricity transmission networks. We are pleased to announce the first award under the scheme.

  • Published: 6th Nov 2015
  • Decisions
  • 0 Associated documents
Following our 24 June 2015 consultation we have decided to consult further.

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