RIIO-T1 price control

Publications and updates

  • Published: 18th Dec 2018
  • Decisions, Guidance
  • 2 Associated documents
We issued a notice on 3 November 2018, proposing changes to the Stakeholder Engagement Incentive (SEI) guidance. We have considered the responses we received and this direction formally issues the SEI Guidance document.

  • Published: 6th Dec 2018
  • Decisions
  • 3 Associated documents
Ofgem decision on the common methodology to implement the Network Output Measures (NOMs) incentive mechanism.

  • Published: 23rd Nov 2018
  • Decisions
  • 3 Associated documents
This letter sets out our decision on the gas and electricity Transmission Operators and Gas Distribution Network Operators Stakeholder Engagement Incentive for 2017-18.

  • Published: 2nd Nov 2018
  • Decisions
  • 2 Associated documents
Ofgem has published its determination and notice of licence modification on National Grid Electricity Transmission’s Dorset AONB mitigation project under the RIIO1 provisions for enhancing pre-existing infrastructure.

  • Published: 10th Oct 2018
  • Decisions
  • 1 Associated documents
This letter sets out the outcome of our assessment of NGET’s request to recover costs in relation to the North London Reinforcement Project.

  • Published: 28th Sep 2018
  • Decisions
  • 7 Associated documents
Ofgem has published its decisions on the RIIO-T1 and RIIO-GD1 price control reopener applications submitted by network operators in May 2018.

  • Published: 28th Sep 2018
  • Decisions
  • 7 Associated documents
Ofgem has published its decisions on the RIIO-T1 and RIIO-GD1 price control reopener applications submitted by network operators in May 2018.

  • Published: 8th Aug 2018
  • Closed: 7th Sep 2018
  • Consultations and responses
  • 10 Associated documents
Ofgem has published a consultation on its assessment of National Grid Electricity Transmission’s Dorset AONB mitigation project under the RIIO1 provisions for e

  • Published: 31st May 2018
  • Decisions
  • 1 Associated documents
Direction to modify Table 1 to amend details of Pre-Construction Engineering Outputs.

  • Published: 31st May 2018
  • Decisions
  • 1 Associated documents
Direction to modify Table 1 to amend details of Pre-Construction Engineering Outputs.

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