Energy Startups

GTRACK Technologies develops nanoparticle fluorescent tracers used for reservoir characterization in geothermal and oilfield applications, including during hydraulic fracturing. The company serves the energy sector with nanosensor-based measurement technology.

2 investors

Guru Systems provides hardware and data analytics platforms for heat networks serving residential developers and heat suppliers. The company's technology optimizes network performance through real-time monitoring, intelligent metering, billing solutions, and commissioning verification.

2 investors

H2scan develops semiconductor-based hydrogen sensors used to monitor and protect infrastructure across industries such as energy, natural gas transmission and distribution, plants, and data and energy storage facilities. Its technology traces back to hydrogen-specific sensing developed at Sandia National Laboratories and is used by operators in over 110 countries.

2 investors

Halo Materials produces high-purity battery-grade and nuclear-grade graphite from domestic hydrocarbon feedstocks using a proprietary synthesis process, aiming for cost-parity with overseas incumbents. It supplies critical graphite for the North American lithium-ion battery and advanced nuclear (Gen IV fission) industries.

2 investors

Hausheld operates smart metering systems for municipal utilities (Stadtwerke) as a complete metering-as-a-service offering, handling installation, investment, and rollout of smart meter technology across a city. As a BSI-certified gateway administrator, it also manages data protection and cybersecurity, and provides utilities with digital metering data to enable grid monitoring, e-mobility, and time-variable tariffs in Germany.

2 investors

Hayla develops native 800V DC power distribution systems with neural-network-based control to optimize power utilization across compute facilities such as data centers. Its approach reduces conversion stages and footprint to increase compute density per square foot.

2 investors

HBI Group presents itself as a young, innovation-focused team offering advanced, custom solutions to clients, with an emphasis on continuous training and sustainability. The page describes the company's board and workforce rather than a specific product line.

2 investors

Helio Home provides home electrification services for homeowners in Colorado's Front Range region. The company has been acquired by and is now part of Jetson Home.

2 investors

HelioRec engineers and manufactures floating solar power plants for deployment on lakes, reservoirs, and nearshore environments, serving utilities, independent power producers, hydropower operators, industrial facilities, and agricultural water stakeholders.

2 investors

Helios develops technology to extract oxygen from lunar regolith through molten regolith electrolysis, producing rocket fuel oxidizer for space missions. The company aims to reduce the cost of space exploration by sourcing materials on the Moon rather than transporting them from Earth.

2 investors

Heliup manufactures photovoltaic solar panels at scale through automated production lines in France. The company operates a 100 MWc annual capacity facility and develops lightweight solar panel solutions for rooftop installations.

2 investors

Helix Earth develops a compact filtration and dehumidification technology derived from NASA space-cooling research, aimed at retrofitting commercial HVAC systems to cut the energy wasted on managing humidity. It targets the commercial buildings and cooling market, positioning its product for energy-efficient ventilation and air conditioning upgrades.

2 investors

HEPACO is a full-service environmental remediation contractor offering cleanup and hazmat services, serving customers across the Eastern United States. Founded in 1984, it provides project management, site supervision, and environmental cleanup through 40+ service centers.

2 investors

HERO is business management software for tradesman and craft businesses (Handwerk), offering tools such as invoicing, calculation, inventory management, time tracking, construction site planning, CRM, and document management. It combines these functions into one system with AI-supported communication and financial management, delivered via web and a mobile app for use on construction sites.

2 investors

HESStec designs and deploys hybrid energy storage systems and grid asset optimization solutions for utilities, renewable operators, and microgrid applications. The company provides turnkey solutions based on proprietary algorithms to enable flexible and efficient electricity grid management during the energy transition.

2 investors

Hexwise builds a Digital Twin solution to optimize the performance of air-cooled heat exchangers in industrial plants. It works with plant operations teams to identify optimization opportunities for their cooling equipment.

2 investors

Hiber provides end-to-end satellite IoT remote monitoring systems (HiberHilo) for upstream oil and gas operators, enabling energy teams to digitize operations, monitor off-grid assets, and reduce emissions and maintenance trips. Its plug-and-play technology serves energy and industrial markets across more than 20 oil and gas-producing regions worldwide.

2 investors

Highwood Emissions Management provides an Emissions Intelligence Platform along with software and consulting services that help oil and gas operators build measurement-informed methane inventories and meet regulatory frameworks such as OGMP 2.0. It serves more than 100 clients globally, including supermajors, industry associations, regulators, and non-profits.

2 investors

HillStar is an AI procurement-evaluation tool that reads vendor bids and proposals, extracts and normalizes technical requirements, and scores submissions against an organization's criteria with citations back to the source text. It is built for utility and energy sector procurement teams handling regulated bids and capital projects.

2 investors

HivePower develops smart grid management software and algorithms for decentralized energy systems, serving energy suppliers and distribution grid operators. The platform enables management of flexible assets like electric vehicles and energy communities through data science and optimization techniques.

2 investors

Hydrogen Mem-Tech designs and produces compact palladium membrane technology that extracts clean hydrogen from natural gas, biogas, and ammonia for industrial clients worldwide. Founded in Trondheim, Norway, the company focuses on ammonia production, marine applications, and biogas-to-hydrogen segments.

2 investors

Holaluz is a Spanish energy retailer supplying 100% green electricity and offering solar panel installation and a service to sell excess solar generation back to the grid. It serves residential customers in Spain, using its own technology to set adaptive tariffs.

2 investors

HutanBio develops marine microalgae-derived biofuels for decarbonizing heavy transport, using industrial-scale production platforms deployed on non-arable land without freshwater consumption. The company's technology is designed to provide low-carbon sustainable fuel alternatives while protecting ecosystems and food systems.

2 investors

HYBRICO provides software-enabled energy, backup, cooling, and solar as-a-service solutions under long-term fixed-price contracts, using cloud-based, machine learning-enabled monitoring and control software. It serves telecom operators, TowerCos, and energy utilities in Latin America, helping them lower operating costs, increase energy uptime, and reduce carbon emissions.

2 investors