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Elon Musk's Tesla has cleared a major regulatory hurdle in Britain, winning approval to supply electricity to homes and businesses across the country and putting the electric vehicle giant on the doorstep of one of Europe's most competitive retail energy markets.
Ofgem, the UK energy regulator, confirmed Thursday that Tesla Energy Ventures Limited has been granted an electricity supply licence by the Gas and Electricity Markets Authority under the Electricity Act 1989. The licence covers England, Scotland and Wales and applies to both domestic and non-domestic customers. It formally took effect Wednesday evening after Tesla was notified and the instrument was entered into Ofgem's electronic public register.
The approval followed a seven-month application and assessment process that ran from July 2025 to March 2026. Tesla Energy Ventures, the Manchester-based subsidiary that filed the application, had it signed by Andrew Payne, who heads Tesla's energy business in Europe.
As a licensed supplier, Tesla Energy Ventures is now bound by the sector's standard licence conditions, covering consumer protection, fair treatment of customers, billing transparency, financial responsibility and operational capability. Ofgem said it will monitor compliance and retains the power to issue directions or fines under the Electricity Act if necessary.
The move positions Tesla to launch a retail energy offering in Britain broadly similar to Tesla Electric, the service it introduced in Texas in 2022. That product allows customers to power their homes, charge electric vehicles and sell surplus solar energy back to the grid, all within Tesla's energy ecosystem. The company already sells Powerwall home batteries, solar technology and EV chargers in the UK, giving it an existing customer base that a new electricity supply product could plug straight into.
Susannah Streeter, head of money and markets at Hargreaves Lansdown, noted the strategic logic when Tesla filed its application. "Although its EV sales have dipped sharply this year, Tesla still boasts significant car ownership in the UK and has sold thousands of home storage batteries here," she said, adding that the Texas model, which lets EV owners charge cheaply and earn money by feeding surplus electricity back to the grid, could find a willing audience among existing Tesla customers in Britain.
Not everyone is convinced the road will be smooth. Adam Bell, former head of energy at the Department for Business, Energy and Industrial Strategy and now director of policy at consultancy Stonehaven, offered a more measured read of what Tesla is walking into.
"Tesla is entering a heavily regulated market in which margins have been squeezed to the narrowest possible extent and in which it faces competitors who have already invested in novel tariff offers," Bell said. "Even with access to an ecosystem of Tesla EV and Powerwall owners, it will find making headway challenging."
One notable limitation in the approval is its scope. Tesla applied only for an electricity licence, not a dual-fuel licence, meaning it will not supply gas alongside electricity at launch. Dual-fuel bundles are a standard offering among established UK suppliers and represent a significant chunk of the household market, so the absence of gas is a gap Tesla will have to address if it wants to compete more broadly.
Tesla's footprint in Britain's energy system is not entirely new. A separate entity, Tesla Motors Limited, was granted a licence to generate electricity in Great Britain back in 2020, though that licence was kept separate from the regulator's assessment of the latest supply application.
What is new is the retail dimension. Selling electricity directly to British consumers puts Tesla in a different category than manufacturing cars or installing home batteries. It means billing disputes, customer service obligations and the kind of regulatory exposure that comes with being someone's energy supplier. Britain's energy market has not been kind to new entrants in recent years, with several suppliers collapsing under the pressure of volatile wholesale prices and tight margins.
Tesla arrives with brand recognition, an existing hardware customer base and deep pockets. Whether that is enough to build a meaningful position in a market that has humbled bigger bets than this one remains the open question.
