The Anonymous Widower

How Will The UK Power All These Proposed Data Centres?

On Wednesday, a cardiologist friend asked me if we have enough power to do Trump’s UK AI, so I felt this post might be a good idea.

Artificial Intelligence Gave This Answer

I first asked Google AI, the title of this post and received this reply.

The UK will power proposed data centres using a mix of grid-supplied low-carbon electricity from sources like offshore wind and through on-site renewable generation, such as rooftop solar panels. Data centre operators are also exploring behind-the-meter options, including battery storage and potential future nuclear power, to meet their significant and growing energy demands. However, the UK’s grid infrastructure and high energy prices present challenges, with industry calls for grid reform and inclusion in energy-intensive industry support schemes to facilitate sustainable growth.

Google also pointed me at the article on the BBC, which is entitled Data Centres To Be Expanded Across UK As Concerns Mount.

This is the sub-heading.

The number of data centres in the UK is set to increase by almost a fifth, according to figures shared with BBC News.

These are the first three paragraphs.

Data centres are giant warehouses full of powerful computers used to run digital services from movie streaming to online banking – there are currently an estimated 477 of them in the UK.

Construction researchers Barbour ABI have analysed planning documents and say that number is set to jump by almost 100, as the growth in artificial intelligence (AI) increases the need for processing power.

The majority are due to be built in the next five years. However, there are concerns about the huge amount of energy and water the new data centres will consume.

Where Are The Data Centres To Be Built?

The BBC article gives this summary of the locations.

More than half of the new data centres would be in London and neighbouring counties.

Many are privately funded by US tech giants such as Google and Microsoft and major investment firms.

A further nine are planned in Wales, one in Scotland, five in Greater Manchester and a handful in other parts of the UK, the data shows.

While the new data centres are mostly due for completion by 2030, the biggest single one planned would come later – a £10bn AI data centre in Blyth, near Newcastle, for the American private investment and wealth management company Blackstone Group.

It would involve building 10 giant buildings covering 540,000 square metres – the size of several large shopping centres – on the site of the former Blyth Power Station.

Work is set to begin in 2031 and last for more than three years.

Microsoft is planning four new data centres in the UK at a total cost of £330m, with an estimated completion between 2027 and 2029 – two in the Leeds area, one near Newport in Wales, and a five-storey site in Acton, north-west London.

And Google is building a data centre in Hertfordshire, an investment worth £740m, which it says will use air to cool its servers rather than water.

There is a map of the UK, with dots showing data centres everywhere.

One will certainly be coming to a suitable space near you.

Concerns Over Energy Needs

These three paragraphs from the BBC article, talk about the concerns about energy needs.

According to the National Energy System Operator, NESO, the projected growth of data centres in Great Britain could “add up to 71 TWh of electricity demand” in the next 25 years, which it says redoubles the need for clean power – such as offshore wind.

Bruce Owen, regional president of data centre operator Equinix, said the UK’s high energy costs, as well as concerns around lengthy planning processes, were prompting some operators to consider building elsewhere.

“If I want to build a new data centre here within the UK, we’re talking five to seven years before I even have planning permission or access to power in order to do that,” he told BBC Radio 4’s Today programme.

But in Renewable Power By 2030 In The UK, I calculated that by 2030 we will add these yearly additions of offshore wind power.

• 2025 – 1,235 MW
• 2026 – 4,807 MW
• 2027 – 5,350 MW
• 2028 – 4,998 MW
• 2029 – 9,631 MW
• 2030 – 15,263 MW

Note.

1. I have used pessimistic dates.
2. There are likely to be more announcements of offshore wind power in the sea around the UK, in the coming months.
3. As an example in Cerulean Winds Submits 1 GW Aspen Offshore Wind Project In Scotland (UK), I talk about 3 GW of offshore wind, that is not included in my yearly totals.
4. The yearly totals add up to a total of 58,897 MW.

For solar power, I just asked Google AI and received this answer.

The UK government aims to have between 45 and 47 gigawatts (GW) of solar power capacity by 2030. This goal is set out in the Solar Roadmap and aims to reduce energy bills and support the UK’s clean power objectives. The roadmap includes measures like installing solar on new homes and buildings, exploring solar carports, and improving access to rooftop solar for renters.

Let’s assume that we only achieve the lowest value of 45 GW.

But that will still give us at least 100 GW of renewable zero-carbon power.

What will happen if the wind doesn’t blow and the sun doesn’t shine?

I have also written about nuclear developments, that were announced during Trump’s visit.

• Centrica And X-energy Agree To Deploy UK’s First Advanced Modular Reactors
• Is Last Energy The Artemis Of Energy?
• National Grid And Emerald AI Announce Strategic Partnership To Demonstrate AI Power Flexibility In The UK
• Nuclear Plan For Decommissioned Coal Power Station
• Raft Of US-UK Nuclear Deals Ahead Of Trump Visit
• Rolls-Royce Welcomes Action From UK And US Governments To Usher In New ‘Golden Age’ Of Nuclear Energy

This is an impressive array of nuclear power, that should be able to fill in most of the weather-induced gaps.

In Renewable Power By 2030 In The UK, I also summarise energy storage.

For pumped storage hydro, I asked Google AI and received this answer.

The UK’s pumped storage hydro (PSH) capacity is projected to more than double by 2030, with six projects in Scotland, including Coire Glas and Cruachan 2, potentially increasing capacity to around 7.7 GW from the current approximately 3 GW. This would be a significant step towards meeting the National Grid’s required 13 GW of new energy storage by 2030, though achieving this depends on policy support and investment.

There will also be smaller lithium-ion batteries and long duration energy storage from companies like Highview Power.

But I believe there will be another source of energy that will ensure that the UK achieves energy security.

SSE’s Next Generation Power Stations

So far two of these power stations have been proposed.

• Keadby will be 900 MW and has this web site.
• Ferrybridge will be 1200 MW and has this web site.

Note.

1. Both power stations are being designed so they can run on natural gas, 100 % hydrogen or a blend of natural gas and hydrogen.
2. Keadby will share a site with three natural gas-powered power stations and be connected to the hydrogen storage at Aldbrough, so both fuels will be available.
3. Ferrybridge will be the first gas/hydrogen power station on the Ferrybridge site and will have its own natural gas connection.
4. How Ferrybridge will receive hydrogen has still to be decided.
5. In Hydrogen Milestone: UK’s First Hydrogen-to-Power Trial At Brigg Energy Park, I describe how Centrica tested Brigg gas-fired power station on a hydrogen blend.
6. The power stations will initially run on natural gas and then gradually switch over to lower carbon fuels, once delivery of the hydrogen has been solved for each site.

On Thursday, I went to see SSE’s consultation at Knottingley for the Ferrybridge power station, which I wrote about in Visiting The Consultation For Ferrybridge Next Generation Power Station At Knottingley.

In the related post, I proposed using special trains to deliver the hydrogen from where it is produced to where it is needed.

Could HiiROC Be Used At Ferrybridge?

Consider.

• HiiROC use a process called thermal plasma electrolysis to split any hydrocarbon gas into hydrogen and carbon black.
• Typical input gases are chemical plant off gas, biomethane and natural gas.
• Carbon black has uses in manufacturing and agriculture.
• HiiROC uses less energy than traditional electrolysis.
• There is an independent power source at Ferrybridge from burning waste, which could be used to ower a HiiROC  system to generate the hydrogen.

It might be possible to not have a separate hydrogen feed and still get worthwhile carbon emission savings.

Conclusion

I believe we will have enough electricity to power all the data centres, that will be built in the next few years in the UK.

Some of the new power stations, that are proposed to be built, like some of the SMRs and SSE’s Next Generation power stations could even be co-located with data centres or other high energy users.

In Nuclear Plan For Decommissioned Coal Power Station, I describe how at the former site of Cottam coal-fired power station, it is proposed that two Holtec SMR-300 SMRs will be installed to power advanced data centres. If the locals are objecting to nuclear stations, I’m sure that an SSE Next Generation power station, that was burning clean hydrogen, would be more acceptable.

September 23, 2025 Posted by AnonW | Artificial Intelligence, Computing, Energy, Energy Storage, Hydrogen, World | Aldbrough Gas Storage, Brigg Energy Park, Centrica, Cottam Power Station, Data Centre, Decarbonisation, Donald Trump, Ferrybridge Hydrogen Power Station, Google, Google AI, Google Waltham Cross Data Centre, Highview Power, HiiROC, Keadby Hydrogen Power Station, Microsoft, National Energy System Operator (NESO), Nuclear Power, Solar Power, SSE, SSE Thermal, Wind Power | Leave a comment