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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Ofgem proposes reductions in National Grid’s spending allowances for its energy transmission price controls

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.

Decision document on DPCR5 closeout methodologies

Published: 20th Jun 2016
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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.

Ofgem opens mid-period review into price controls for National Grid Electricity Transmission and National Grid Gas Transmission

Published: 12th May 2016
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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

Switching increases as customers respond to savings of up to £325

Published: 29th Apr 2016
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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.

National Grid agrees to pay out £3m after failing to meet gas network repair targets

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.

Ofgem announces £62.8 million to deliver smarter energy network for consumers

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.

Ofgem to spark more competition in building onshore electricity infrastructure

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.

More support for fuel poor and vulnerable households with new Ofgem targets for gas network companies

Published: 30th Sep 2015
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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.

Ofgem welcomes CMA’s decision on appeals against the RIIO-ED1 price control

Published: 29th Sep 2015
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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).

Ofgem consults on proposals to allow additional costs to network companies

Published: 31st Jul 2015
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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.