Energy Startups

Geo40 produces natural colloidal silica extracted from geothermal fluids using its own process, offering low-carbon binder products for the refractory and precision investment casting industries. Its silicas serve as sustainable substitutes for conventional high-carbon colloidal silica used by foundries and casting producers.

1 investor

Demea Invest is a private equity and investment platform providing equity, infrastructure, and debt financing for agriculture, agrifood, and the energy and ecological transition. Formed from the merger of Demea Sustainable Investment (formerly Demeter Investment Managers) and Demea Agro (formerly Cerea Partners), it serves startups, SMEs, and projects across venture, growth, buyout, infrastructure, mezzanine, and private debt financing.

1 investor

Geolumina applies machine learning to subsurface data analysis. The company was founded by professionals with deep expertise in subsurface technology and geology.

1 investor

GeoPura produces and supplies green hydrogen at scale and manufactures Hydrogen Power Units (with Siemens Energy and Ballard fuel cells) that generate zero-emission electricity from 50kW to 50MW as a replacement for diesel generators. It offers an Energy as a Service model serving construction, events, film and TV, defence, datacentres, maritime, utilities and EV charging, and is one of the UK's largest producers of green hydrogen.

1 investor

Geoteric develops software for subsurface seismic interpretation and geological analysis, offering AI-driven tools for fault and horizon interpretation, image processing, and geobody delineation. Its technology, built by geoscientists and data scientists, serves energy and exploration & production companies globally.

1 investor

geo builds home energy visualisation devices and smart energy data systems, including its Matter-certified SeeZero home energy management platform, sold to energy retailers to help them engage customers. Its products support energy monitoring, smart appliances, and EV charging integration.

1 investor

GEOxyz is a marine survey company providing hydrographic, geophysical, geotechnical surveys, offshore support and topography services, along with support for offshore renewable projects such as wind farms. It operates its own fleet, develops unmanned surface vehicles, and runs an in-house R&D department, serving clients across Europe and selected projects worldwide.

1 investor

Green Energy Pal develops digital tools to help small and medium enterprises and individuals transition to energy-efficient operations and consumption. The company offers software solutions designed to simplify green energy production, consumption, and management.

1 investor

Global Energy Transmission (GET) builds wireless charging systems that let battery-powered drones recharge while hovering in flight, using ground-based transmitting stations and lightweight onboard receiving modules and rapid battery packs. Its GET Air turnkey solution targets commercial drone operations, with charging stations that can be installed along flight routes and support all-weather operation.

1 investor

GetSolar provides rooftop solar solutions for homeowners and businesses across Southeast Asia, offering accessible, affordable installation through financing options like Rent-to-Own plans and digital tools. The company operates as a social enterprise focused on expanding distributed solar adoption to drive regional decarbonization.

1 investor

Lorica provides software that identifies permitting, environmental, noise, and other critical issues early in a project's lifecycle, and models air quality, emissions, grid capacity, interconnection constraints, and site layouts. It is aimed at teams developing infrastructure or energy projects to surface constraints before they cause delays.

1 investor

GE Vernova generates, transfers, and stores electricity through gas turbines, wind turbines, and grid modernization technologies. The company serves global customers and holds approximately 25% of the world's installed electrical generation capacity through its customer base.

1 investor

GEVI builds a self-training vertical-axis micro wind turbine that uses active blade pitch control and proprietary AI to adjust to wind conditions and increase energy output. It targets companies looking to lower energy costs and emissions while using more clean energy.

1 investor

Gexa Energy is a Texas retail electricity provider offering flexible residential and business electricity plans, with home energy management tools integrated into its mobile app. It matches 100% of the energy sold with renewable energy credits and serves customers across Texas.

1 investor

GH2 Solar is an Indian green hydrogen and solar EPC company that develops end-to-end green hydrogen production and infrastructure, manufactures alkaline electrolyzer systems, and builds utility-scale solar plants, battery storage, and hydrogen refueling stations. It serves industrial decarbonization needs across sectors such as steel, fertilizer, heavy-duty transport, and mobility in India.

1 investor

GIDARA Energy converts waste and biomass feedstocks into sustainable fuels and chemicals using its patented High-Temperature Winkler gasification technology, serving airlines, fuel offtakers, and municipalities seeking to reduce emissions and manage waste responsibly.

1 investor

Gilytics provides software tools for planning energy and transportation infrastructure projects more efficiently and collaboratively, using geospatial science and AI techniques. The company serves utilities, grid operators, and infrastructure planners seeking to reduce planning timelines and accelerate the energy transition.

1 investor

Gippsland Critical Minerals develops the Fingerboards critical minerals and rare earths mining project in East Gippsland, Australia. The company is jointly owned by REZir Ltd and Appian Capital Advisory, and is focused on establishing a high-grade ore body for extraction and processing of critical minerals with emphasis on environmental rehabilitation and community engagement.

1 investor

Giraffe Bioenergy is building the Galana Biorefinery Complex in Kilifi, Kenya, an integrated cassava-to-ethanol value chain that grows drought-tolerant cassava on marginal land and processes it into fuel-grade ethanol. The ethanol supplies Kenya's E10 road fuel blending pool and the clean cooking market, while its farming model trains smallholder farmers, particularly women.

1 investor

Gireve operates a platform connecting electric vehicle charging networks and mobility service providers to enable roaming and interoperability for EV charging. It serves charge point operators and e-mobility providers, with a focus on the European market.

1 investor

Gismo Power operates in renewable energy and serves Native American communities through energy sovereignty initiatives and sustainable building training.

1 investor

Glacier Energy provides engineering services and technical expertise to improve the safety, reliability, and efficiency of critical equipment for industrial clients. The company delivers custom engineering solutions and asset management services to extend equipment life and maximize operational performance.

1 investor

GlassPoint builds solar systems that generate industrial process steam and heat to help energy and industrial customers decarbonize their operations. Operating since 2009, it serves clients globally with solar thermal technology focused on reducing energy costs and CO2 emissions.

1 investor

GSI provides process control and automation services for industrial facilities including oil and gas production, water systems, electrical generation, and mining operations. The company offers project delivery, managed services, and staffing solutions from design through decommissioning.

1 investor