RIIO-T1 price control

Publications and updates

  • Published: 24th Feb 2017
  • Reports & plans
  • 2 Associated documents
This report shows the performance of the gas distribution companies in 2015/16, the third year of the RIIO-ET1 price control.

  • Published: 24th Feb 2017
  • Reports & plans
  • 3 Associated documents
Report showing the performance of National Grid Gas Transmission in 2015-16, the third year of the current RIIO-T1 price control.

  • Published: 2nd Dec 2016
  • Decisions
  • 1 Associated documents
Our decision on the Environmental Discretionary Reward (EDR) scheme for the 2015-16 scheme year of the RIIO-T1 price control period.

  • Published: 4th Aug 2016
  • Decisions
  • 1 Associated documents
We’ve decided on values for the RIIO-T1 stakeholder satisfaction output and to implement these so that the stakeholder satisfaction survey and the key performance indicator components of the incentive will only operate in years 4-8 of the price control.

  • Published: 19th May 2016
  • Guidance
  • 2 Associated documents
Here are the RIIO-T1 Regulatory Instructions and Guidance and annual reporting templates for 2015/16 for electricity transmission.

  • 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 & 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 & 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 & 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.

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