Cornwall Lithium Mine Backed to Supply UK EV Batteries

In a press release on GOV.UK, the Government said a new lithium project in Cornwall is meant to do two jobs at once: create skilled work in the South West and give the UK more control over a mineral used in electric car batteries. If you have heard ministers talk about "industrial resilience", this is the sort of project they mean. The company behind it, Geothermal Engineering Limited, plans to invest about £43 million in a lithium extraction facility in Cornwall. Ministers say that should mean nearly 50 direct jobs, with roughly 80 more supported through the wider supply chain. Because this is a government announcement, it is worth reading the claims carefully: those jobs are expected outcomes, not jobs already in place.

If you are new to this topic, think of lithium as one of the ingredients many rechargeable batteries rely on, especially in electric vehicles. That helps explain why the Government is treating it as a "critical mineral". The release says demand for lithium is expected to rise by 1,100% by 2035, which is a huge jump and a big reason ministers want more domestic supply. **What this means:** this is not only a Cornwall story. It is also a story about whether the UK can build more of the battery chain at home, rather than depending so heavily on imports. Ministers also place that wider minerals push alongside sectors such as advanced manufacturing and clean energy, where secure supplies matter just as much as big headline investment.

According to the Government, GEL has received an Offer in Principle worth nearly £10 million through the DRIVE35 Automotive Transformation Fund. That wording matters. An Offer in Principle is not the same as a final payout, and the release is clear that support for both the Cornwall and Teesside projects still has to pass due diligence and final approvals. The same announcement says ministers have now helped unlock nearly £230 million of private investment across two lithium projects in Cornwall and Teesside. In plain English, public money is being used here as a nudge, with the aim of bringing in much larger sums from private investors.

If the Cornwall project reaches commercial production in 2029, it is expected to produce about 1,500 tonnes of technical-grade lithium carbonate each year from geothermal brine underground. The Government says that would be enough to power more than 180,000 typical EV car batteries. That figure gives you a clearer sense of scale. It also shows where this project sits in the bigger race for battery materials: meaningful for the UK, but still an early step in a much larger global market. The promise, according to GEL, is that the site could grow well beyond its first phase if the technology and economics hold up.

Cornwall is only one part of the plan. The Government says Tees Valley Lithium is investing £185 million to build what it describes as one of Europe's largest lithium refineries in Teesside, backed by an £18.3 million Offer in Principle through DRIVE35. Put together, the two projects are being sold as different pieces of the same puzzle: one helps with extraction, the other with processing. Ministers are also tying this to a broader industrial strategy. The release points to £1 billion of automotive investment announced this month from Bentley, McLaren and Nissan, and presents the lithium projects as proof that Britain can make more of the products and materials linked to the shift to zero-emission vehicles. Recent DRIVE35 support has also gone to research and development work involving Cornish Lithium, Watercycle Technologies, Weardale Lithium and Northern Lithium.

There is a bigger political argument in the background too. Julian Hetherington of APC and Zenzic said more UK extraction would reduce reliance on overseas supply chains, especially where global production and processing are concentrated in a small number of countries, including China. If more lithium can be extracted and refined in the UK, car makers would have a shorter and potentially more secure route to battery materials. **What to watch:** upbeat press releases often make industrial policy sound smoother than it is. A mine still has to prove it can work commercially, meet environmental standards and keep local support over time. Those questions are not answered by investment headlines alone, and readers should keep that in mind as the project moves towards 2029.

For Cornwall, the story carries extra weight because mining is already part of the region's history. Business Secretary Jonathan Reynolds framed the project as a new chapter for that heritage, while GEL chief executive Dr Ryan Law said geothermal brine could offer a reliable and more sustainable domestic source of lithium. That is the hopeful case ministers want people to see: old mining knowledge meeting a newer green-industry pitch. For the rest of us, the clearest takeaway is simple. Batteries do not begin at the car factory. They begin much earlier, with the question of where raw materials come from, who processes them and who benefits from the jobs. That is why this Cornwall project matters. It turns a technical subject, critical minerals, into something you can trace from underground rock and brine all the way to the vehicles people are expected to drive in the years ahead.