RIIO-T1 Price Control

Publications and updates

  • Published: 22nd Nov 2016
  • Open letters & correspondence
  • 1 Associated documents
We are commencing a review into how the RIIO-T1 price controls treat NGGT’s obligation to offer entry capacity at Fleetwood.

  • Published: 22nd Jun 2016
  • Decisions
  • 3 Associated documents
Direction relating to a modified set of gas transmission regulatory instructions and guidance (RIGs) and reporting templates for 2015-16 annual reporting.

  • Published: 3rd Dec 2015
  • Decisions
  • 1 Associated documents
The purpose of this letter is to set out our decision on our ex-post efficiency assessment of the Milford Haven pipeline project. This concludes our July 2015 consultation, which set out our minded to recommendations and sought views on our proposals.

  • Published: 30th Nov 2015
  • Decisions
  • 1 Associated documents
Directions issued to National Grid Gas plc (with respect to its National Transmission System) under the Special Conditions of the gas transporter licence in respect of the Annual Iteration Process for the GT1 Price Control Financial Model which took...

  • Published: 30th Sep 2015
  • Decisions
  • 1 Associated documents
We are publishing our decision in respect of our assessment of RIIO-GD1 and RIIO-T1 uncertainty mechanism applications for enhanced physical security costs. This decision includes our review of costs incurred during TPCR4.

  • Published: 30th Sep 2015
  • Decisions
  • 1 Associated documents
The purpose of this letter is to set out our final decision on National Grid Gas Transmission (NGGT)’s price control re-opener application for additional funds to comply with emissions legislation.

  • Published: 31st Jul 2015
  • Closed: 1st Sep 2015
  • Consultations & responses
  • 8 Associated documents
The purpose of this letter is to set out our draft decision on National Grid Gas Transmission (NGGT)’s price control re-opener application for additional funds to comply with emissions legislation and to seek your views on our proposals.

  • Published: 31st Jul 2015
  • Closed: 1st Sep 2015
  • Consultations & responses
  • 12 Associated documents
We are seeking views on our minded-to position in respect of enhanced physical security costs under TPCR4, RIIO-GD1 and RIIO-T1 price controls.

  • Published: 14th May 2015
  • Decisions
  • 1 Associated documents
Decision relating to a modified set of gas transmission regulatory instructions and guidance (RIGs) and reporting templates for 2014/15 annual reporting.

  • Published: 14th May 2015
  • Guidance
  • 2 Associated documents
This is a decision on the modifications to the RIIO-T1 Regulatory Instructions and Guidance and annual reporting templates for 2014/15 for gas transmission.

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