Geothermal Companies in United Kingdom

UK-based not-for-profit organization advancing geothermal energy development across all four nations. Facilitates industry collaboration, drives policy frameworks, and supports technology transition to unlock geothermal heat and power potential for net zero targets.

Granular Energy provides software solutions for managing and trading clean energy, specializing in Energy Attribute Certificate management for utilities. The platform enables hourly-accurate transparency and traceability of renewable energy sourcing for energy suppliers, traders, and buyers.

Leading UK developer of geothermal power and ultra-low carbon lithium projects. Operating the UK's first geothermal power plant at United Downs, delivering renewable baseload power and heat with integrated lithium extraction from deep geothermal brine.

Getech is a subsurface and geospatial intelligence provider specializing in locating energy and mineral resources essential for decarbonization. The company combines global earth science data, AI-driven analytics, and GIS expertise to serve exploration and resource management across geothermal, natural hydrogen, critical minerals, and other energy sectors.

EU Horizon 2020 research consortium developing advanced drilling technologies to reduce geothermal well costs through DTH hammers, 3D-printed sensors, and high-temperature coatings. Focuses on depths exceeding 5km and temperatures over 200°C.

EU-funded research project focused on advancing understanding and modeling of geothermal fluid properties to optimize sustainable geothermal reservoir management, power and heat production, and reinjection strategies.

Research and development project focused on developing advanced heat exchanger materials with anti-scaling and anti-corrosion properties for geothermal power plants, funded by EU Horizon 2020.

Independent London-based specialist financial advisory and investment house serving the European renewable energy sector. Closed 92+ transactions exceeding 10.4 billion, operating across development, construction, and operation phases of renewable projects.

H2osolar is a 19-year-old renewable energy installer specializing in solar PV, solar thermal, and air source heat pump systems across South East and South West UK. MCS certified with domestic and commercial installation expertise.

Research-driven market intelligence company providing insights on global cleantech innovation since 2002. Serves corporations, investors, governments, and policymakers through market intelligence, advisory, advocacy, and events.

UK trade association and membership organisation dedicated to advancing geothermal energy. Acquired by the Renewable Energy Association in 2025, now operates as the Geothermal Energy Forum to promote policy change and industry growth.

GeoEnergy NI is a government-funded demonstrator project exploring geothermal energy potential in Northern Ireland. The project evaluates both shallow and deep geothermal resources through feasibility studies at two locations, aiming to unlock sustainable renewable heating and cooling solutions.