UK100 Start-Ups: Naked Energy

By Patricia Cullen | Mar 07, 2026

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NAKED ENERGY FOUNDER AND CEO CHRISTOPHE WILLIAMS
NAKED ENERGY FOUNDER AND CEO CHRISTOPHE WILLIAMS

This article is part of The UK100 Start-Ups, a special edition by Entrepreneur UK showcasing the most exciting startups redefining business in 2026. From climate and health to AI and creativity, these innovators are tackling big challenges—while racing to scale, secure funding, and attract top talent.

Naked Energy is transforming heat with UK-built solar thermal technology that can be up to ten times more efficient than standard PV. With landmark projects like the British Library, it’s redefining how Britain decarbonises heat at scale.

NAKED ENERGY FOUNDER AND CEO CHRISTOPHE WILLIAMS
NAKED ENERGY FOUNDER AND CEO CHRISTOPHE WILLIAMS

This article is part of The UK100 Start-Ups, a special edition by Entrepreneur UK showcasing the most exciting startups redefining business in 2026. From climate and health to AI and creativity, these innovators are tackling big challenges—while racing to scale, secure funding, and attract top talent.

Naked Energy is transforming heat with UK-built solar thermal technology that can be up to ten times more efficient than standard PV. With landmark projects like the British Library, it’s redefining how Britain decarbonises heat at scale.

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