RIIO-T1 price control

Publications and updates

  • 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.

  • Published: 4th Nov 2015
  • Closed: 17th Dec 2015
  • Consultations and responses
  • 16 Associated documents
This is a second consultation on our proposal to introduce RIIO Accounts for network operators. RIIO Accounts should provide better financial performance information to investors than the Regulatory Accounts they would replace.

  • Published: 31st Jul 2015
  • Closed: 18th Sep 2015
  • Consultations and responses
  • 5 Associated documents
The purpose of this letter is to set out our draft decision on our ex-post efficiency assessment of the Milford Haven pipeline project. This consultation sets out our recommendations and seeks your views on our proposals.

  • Published: 31st Jul 2015
  • Decisions
  • 1 Associated documents
Authority direction (under Special Condition 3C of SHE Transmission’s Electricity Transmission Licence) relating to SHE Transmission’s claim for an energy not supplied Exceptional Event on its network on 8 January 2015.

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