Regulating energy networks

Ofgem regulates the monopoly companies that run the gas and electricity transmission and distribution networks in Great Britain through price controls. ‘RIIO’ is the name for our network price controls. It stands for Revenue=Incentives+Innovation+Outputs.

Here you can view our latest network press releases, statements and blogs. For Coronavirus industry updates, please see our Coronavirus (COVID-19) section. For all other energy news, please see our news and press releases hub and investor relations section.

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Publications and updates

  • Published: 18th Aug 2016
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In May we opened a mid-period review into the energy transmission price controls, and are now proposing to reduce National Grid’s spending allowances.

  • Published: 20th Jun 2016
  • Press releases
  • 0 Associated documents
Today we’ve published a decision on the methods we will use for assessing electricity distribution network owners’ (DNOs) performance in 5 specific areas of their previous 2010-2015 price control.

  • Published: 12th May 2016
  • Press releases
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Following our consultation in November we are launching a mid-period review into the 2013-2021 price controls for National Grid Electricity Transmission and National Grid Gas Transmission

  • Published: 29th Apr 2016
  • Press releases
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Our data shows that around two thirds of customers could save up to £325 by moving from their supplier’s expensive standard tariff to the cheapest fixed- term deal.

  • Published: 22nd Mar 2016
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National Grid has agreed with Ofgem to pay out £3m to fuel poverty charity National Energy Action (NEA) after failing to meet the target for repairing non-urgent gas escapes on its gas distribution networks.

  • Published: 30th Nov 2015
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Ofgem has announced funding of £62.8 million for nine innovation projects as part of its revolutionary innovation competition to deliver smarter energy network for consumers.

  • Published: 19th Oct 2015
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Ofgem is consulting on how to tender out new onshore electricity transmission infrastructure projects worth £100m or more.  The first tender could take place in 2017.

  • Published: 30th Sep 2015
  • Press releases
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Changes to the Fuel Poor Network Extension Scheme, announced today by Ofgem, will help reduce the number of households in fuel poverty by encouraging gas network companies to increase connections of eligible households to the grids they operate.

  • Published: 29th Sep 2015
  • Press releases
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Ofgem today welcomes the Competition and Markets Authority’s decision on appeals made by two companies against specific elements of the 2015-2023 electricity distribution price control (RIIO ED1).

  • Published: 31st Jul 2015
  • Press releases
  • 0 Associated documents
Ofgem has today published three consultations on its draft decisions to allow additional efficient costs for National Grid gas and electricity transmission and two gas distribution network companies under pre-defined RIIO uncertainty mechanisms.

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