Energy Startups

Gridcog (Gridcognition) provides energy modelling and simulation software used to assess the feasibility, design, and asset valuation of energy transition projects. It serves energy solution providers and delivery teams working on commercial and industrial sites, covering renewable and flexible assets such as battery storage, EV charging, demand response, and virtual power plants.

2 investors

Gridium provides software and analytics that turn commercial building energy data into insights for building teams, helping them identify savings opportunities, create budgets, simplify reporting, and meet energy regulations. It serves building operators and property teams focused on managing energy operating expenses.

2 investors

Gridless installs Bitcoin mining operations at renewable, rural mini-grid sites in Africa, buying surplus power to help independent power producers become financially viable while improving grid stability and rural electrification. It also builds Gridless OS, an edge-based optimization system that coordinates Bitcoin miners in real time based on a mini-grid's operating conditions.

2 investors

GridLink provides automation software that remotely diagnoses and resolves EV charger failures without requiring technician dispatch, reducing session failures and lost revenue for charging networks, fleets, and OEMs.

2 investors

GridWiz operates an energy platform that integrates demand response, energy storage systems, renewable energy, and EV charging infrastructure to optimize customer energy efficiency and grid stability. The company serves enterprises and EV charging operators seeking to reduce energy costs and achieve renewable energy commitments.

2 investors

GTRACK Technologies develops fluorescent nanoparticle tracers used to map subsurface fluid flow in geothermal and oil and gas reservoirs.

2 investors

H2CHP develops fuel-flexible electricity generators that run on clean fuels to produce near zero-emission, decentralised power. Its technology combines the functions of reciprocating engines and rotary generators into a single unit, using software-controlled piston motion to convert linear motion directly into electricity.

2 investors

H2scan develops hydrogen sensors for continuous, real-time hydrogen monitoring in liquid-filled transformers, industrial process and safety applications, and the broader hydrogen economy. Its sensor technology is designed for maintenance-free operation in harsh environments and generates data for AI analytics, serving power and energy industry customers.

2 investors

Halcyon provides automated alert monitoring for electric utility services and infrastructure projects, including high-voltage DC (HVDC) systems, replacing manual monitoring workflows.

2 investors

Halcyon builds an AI-powered data platform that helps energy industry professionals identify market opportunities, track market shifts, and answer questions about the energy sector. The platform serves professionals involved in energy infrastructure development.

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

HBI is an Italian company that developed an "urban circular biorefinery" model to treat sewage sludge, recovering water, renewable energy, and critical raw materials such as phosphorus from wastewater treatment plants. Its technology combines hydrothermal carbonization (HTC) and gasification, targeting wastewater plant operators seeking regulatory compliance and circular-economy value.

2 investors

HData provides an AI platform for energy regulation that digitizes and analyzes data from regulatory filings, proceedings, and documents, and automates regulatory reporting and data request management. It serves utilities, regulators, advocates, advisory firms, and energy technology companies navigating regulatory complexity.

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

HELIUP develops and manufactures lightweight photovoltaic panels for rooftops of commercial, industrial, and logistics buildings, reducing weight by 60% compared to conventional panels while maintaining performance standards. The company enables solar integration on existing structures with low load capacity, supporting regulatory compliance and building decarbonization.

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 offers EIP (Emissions Intelligence Platform), software for oil & gas operators to build audit-ready methane inventories, automate emissions reconciliation, and report against standards including OGMP 2.0, Veritas, MiQ, CDPHE, and EU import regulations. The company also provides advisory services and training to help operators achieve OGMP 2.0 Gold Standard certification and optimize methane measurement programs.

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

HT Materials Science develops Maxwell®, a heat transfer fluid that uses nanoparticle technology for commercial and industrial HVAC applications. The company markets its products across Europe, Asia, and North America with production and distribution facilities in multiple regions.

2 investors

HutanBio produces HBx Bio Oil, a carbon-negative biofuel made from microalgae grown in desert regions using seawater and sunlight as a drop-in replacement for fossil diesel. The fuel is aimed at decarbonizing aviation, marine, and other fossil-fuel-dependent industries while remaining compatible with existing fueling infrastructure.

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

Hychor develops HySET, an electrochemical technology that produces green hydrogen from seawater and renewable electricity, reducing reliance on freshwater and grid connection. Spun out of the University of Aberdeen, the company works on system design, materials testing, and scale-up ahead of planned industry projects.

2 investors