Private company

CeraPhi Energy

British geothermal energy company

CeraPhi Energy Ltd is a British company that develops geothermal energy projects, focusing on closed-loop systems to extract heat from deep underground, including the repurposing of depleted oil and gas wells. Led by CEO Karl Farrow and co-founder Gary Williams (both former oil and gas executives), the company has received media attention for converting former fossil fuel sites into renewable heat sources as part of the UK's energy transition.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

CeraPhi Energy Ltd is a British company that develops geothermal energy projects, focusing on closed-loop systems to extract heat from deep underground, including the repurposing of depleted oil and gas wells. Led by CEO Karl Farrow and co-founder Gary Williams (both former oil and gas executives), the company has received media attention for converting former fossil fuel sites into renewable heat sources as part of the UK's energy transition.2

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