Skip to content
You can now search across every topic, entity and event.What's new
Ofgem
OrganisationGB

Ofgem

The Office of Gas and Electricity Markets, the independent UK energy regulator overseeing the electricity and gas networks.

Ofgem, the UK energy regulator, opened a consultation on 29 July proposing developers pay £237,500 to £712,500 per megawatt to hold a grid-connection offer, refundable once a site is energised, with the window closing 16 September.

Last refreshed: 4 August 2026 · Appears in 1 active topic

Key Question

Can Ofgem's Curate reform clear the queue fast enough to keep AI investment in the UK?

Timeline for Ofgem

#13 11 Aug
#13 4 Aug
#13 4 Aug
#12 29 Jul

Opened a consultation proposing a refundable per-megawatt connection deposit

Data Centres: Boom and Backlash: Ofgem puts a price on the grid queue
#12 29 Jul
View full timeline →

Background

Ofgem is the UK's independent statutory regulator for gas and electricity networks, set up in 2000 and based in London. It sets the rules governing network operators and consumer tariffs, and since 2025 has run the Curate programme to strip speculative applications out of Britain's grid-connection queue.

The agency's authority is constrained by statutory consultation timetables, so its responses to the data centre demand surge lag the market by months. Ofgem also opened a separate consultation specifically on AI and data centre electricity demand, treating the sector's growth as the largest single variable in UK system planning.

Ofgem sits between two pressures it cannot resolve by itself: ministers who want faster queue clearance to hold AI investment in Britain, and consumer advocates who see any acceleration as a risk to household bills. Its rulings on connection charges and deposit levels are the mechanism by which that trade-off gets decided.

Common Questions
Is Ofgem reforming the UK electricity grid connection queue?
Yes. Ofgem's Curate programme with NESO is removing speculative applications from the queue to free up capacity for committed projects. Ofgem has also launched a consultation specifically on AI and data-centre electricity demand.Source: Ofgem
How many years will it take to connect a new data centre to the UK grid?
UK data-centre operators report connection times of many years — the NESO queue held 50 GW of data-centre demand against a 45 GW national peak load as of early 2026. OpenAI cited this grid constraint alongside high electricity costs when pausing its Cobalt Park Stargate site in April 2026.Source: Ofgem / Lowdown data-centres briefing
What is Ofgem's role in the UK data centre grid crisis?
Ofgem oversees the Curate programme to reform the UK grid-connection queue, and has launched a consultation on AI and data centre electricity demand. Its regulatory framework governs the queue that currently holds 50 GW of data centre demand against a 45 GW national peak.Source: Lowdown data-centres briefing
Source Material