Energy Startups
5,035 companies tagged Energy, with their investors and founders.
Gauss Fusion is a German fusion energy company developing high-field magnetic confinement fusion technology, with the goal of building an industrialized gigawatt-class fusion power plant by 2045. Founded in 2022 with European industrial partners, it collaborates with scientific institutions to commercialize fusion power plants as a grid base-load complement to renewables.
1 investor
Sweet Gazoil develops patented pyrolysis and Surface Flash Cracking technologies that convert mixed waste plastics and heavy or used/waste oils into diesel fuels and other useful products. It offers small-scale micro-refineries and processes designed to handle dirty, difficult feedstocks for waste-recycling and fuel production operations.
1 investor
GCK is a French group focused on decarbonized mobility, operating through eight interconnected companies across the mobility value chain. Its GCK Mobility subsidiary specializes in retrofitting heavy vehicles, including converting coaches to hydrogen fuel-cell power in the Auvergne-RhΓ΄ne-Alpes region.
1 investor
GCL System Integration (ει«ιζ) develops and manufactures solar photovoltaic products, including PV modules (such as its GPC3.0 module), mobile green energy systems, and crystalline silicon-perovskite tandem solar cells. The China-based company is part of the GCL Group and focuses on solar cell and module technology, including flexible tandem cells and PV system intelligence standards.
1 investor
GD Energy Products manufactures high-pressure pumps, including its Thunder Series and PZ-11 models, for oilfield and energy operators worldwide. The company also provides repair, on-site field service, replacement parts distribution, and equipment maintenance training through its service centers and manufacturing facilities.
1 investor
Graphenix Development Inc. (GDI) develops and manufactures patented 100% silicon anodes for lithium-ion batteries that offer greater energy density, faster charging, and improved cold performance versus graphite. It collaborates with battery and product manufacturers across industries such as defense drones, wearables, medical devices, electric vehicles, and aerospace.
1 investor
GEHECO (Geo Heat & Comfort) is developing a new method for placing the wells of ground-source heat pumps, aiming to cut costs and simplify installation even in small spaces. It operates as a B2B company serving installation and drilling companies and institutional property owners.
1 investor
Geli Energy Software develops design, automation, and management software for energy storage systems serving project developers, OEMs, financiers, and operators across residential, commercial, industrial, and utility-scale markets.
1 investor
Generous Energy uses AI/ML and quantitative optimization to predict and trade in short-term electricity markets, improving grid reliability and efficiency as renewable energy sources scale.
1 investor
Gentle Energy Corporation provides knowledge and automated tools to optimize and reduce energy consumption, aiming to make energy use more efficient and environmentally friendly. The company positions its solutions as low-barrier services that operate with minimal resources.
1 investor
GEO-NET provides energy yield assessments for wind projects and urban and regional climate analyses for spatial planning, including studies that account for climate change. The company serves the wind energy sector and environmental/urban meteorology clients, with international project experience in markets such as South Africa and Chile.
1 investor
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
GeoDigital provides aerial LiDAR and imagery acquisition, FAC-003 vegetation analytics, and 3D right-of-way visualization for electric utilities, along with its WorkStudio software suite for managing engineering design, vegetation management, inspections, and maintenance planning. It serves over 100 utilities and their field personnel through its "Insight for Utilities" platform.
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
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
Enpulse is an AI-powered energy management system for electricity metering, monitoring, and control aimed at improving energy efficiency for homes and SMEs. It tracks real-time and historical energy consumption and production, breaks down bills, monitors voltage quality, and uses predictive maintenance to prevent equipment downtime.
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
Global Energy Transmission (GET) develops wireless power transmission technology that recharges commercial drones in flight, allowing them to fly indefinitely by hovering briefly over wireless charging stations placed along flight routes. It targets industrial drone applications such as monitoring, security, and delivery, and aims to extend its technology to airborne charging of passenger drones/VTOLs.
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
Modular, on-demand solution for blending sustainable aviation fuel and jet fuel, streamlining SAF distribution
1 investor
GIDARA Energy develops HTW-based gasification technology that converts municipal waste into clean, tar-free syngas for producing sustainable aviation fuel (SAF), methanol, hydrogen, LNG, and circular chemicals. Its industrial-scale process serves waste-to-fuel program developers seeking a proven, bankable pathway to lower-emission fuels.
1 investor
GIGA Storage develops, builds, and operates large-scale battery energy storage projects that supply renewable energy when wind and solar output is low. By combining hardware and software, it takes on grid-balancing roles otherwise served by coal and gas plants and helps reduce grid congestion so more producers and consumers can connect.
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







