Energy Startups

Hong Yu Electric manufactures intelligent electrical distribution panels and energy management systems, serving petrochemical, medical, telecommunications, transportation, and public engineering sectors across Taiwan. The company has evolved from traditional switchboard manufacturing to provide AI-powered energy cloud platforms and carbon management solutions for enterprises pursuing net-zero operations.

1 investor

Hotta installs and operates Smart Heater heating systems for buildings and facilities with no upfront investment, charging clients on a pay-per-use basis tied to actual consumption. It targets hotels, rural accommodations, buildings with central heating, and wellness or sports venues with pools, focusing on reducing energy costs and carbon footprint.

1 investor

HR energy offers a PVT heat pump system that combines solar panels and heat pump technology to generate electricity and heat for homes, providing heating, cooling, hot water, and energy storage without an outdoor unit. It targets homeowners looking to reduce gas use and energy costs.

1 investor

HST Solar operates a marketplace and software platform called View that connects landowners, energy buyers, and clean energy developers to originate site control agreements and offtake deals faster. It offers integrated project analysis tools for assessing commercial viability, scenario modeling, and contract structuring for solar and clean energy projects.

1 investor

Huasun Energy specializes in the research, development, and large-scale manufacturing of heterojunction (HJT) solar technology and products across the entire value chain. The company supplies ultra-high-efficiency solar cells and modules to customers across Asia-Pacific, Europe, the Middle East, Africa, and Latin America.

1 investor

Hubbell makes electrical and utility products and solutions used to build and operate power infrastructure. It serves customers operating critical electrical and utility systems.

1 investor

Hubject provides intercharge CPO, a platform that connects EV charging station operators with hundreds of eMobility charging service providers and their customers worldwide, enabling seamless access, payments, and discovery of charging infrastructure.

1 investor

Patriarca is a French group that helps multisite organizations with building-related projects through specialized subsidiaries covering energy performance, building maintenance, construction/renovation, and corporate real estate strategy. It serves businesses and public authorities needing energy upgrades, facility management, space design, and real estate implantation.

1 investor

Husk Power Systems operates a distributed energy resources (DER) platform that deploys solar and battery storage to deliver clean electricity to communities, commercial and industrial enterprises, and households across Africa and Asia. The company aims to provide 2GW of distributed clean energy to underserved markets in the Global South.

1 investor

Hut 8 acquires, develops, and operates energy assets, digital infrastructure, and compute facilities—including powered land, interconnects, substations, and specialized hardware—to support energy-intensive technologies. It builds and manages businesses at the intersection of power and technology, such as data centers and crypto mining operations.

1 investor

HXperience provides software solutions for manufacturing production chains that automate quality control, lab data management, and compliance processes. The platform combines testing, audit, and regulatory compliance tools to improve efficiency and reduce production errors.

1 investor

Hybird develops an electrical operating system (Hybird OS) with retrofit or new panel hardware that monitors electricity at the device level to detect and automatically eliminate consumption waste, serving businesses across office buildings, logistics, hospitality, retail, and manufacturing, as well as electrical installers who manage installations remotely. The company is based in Copenhagen and focused on the European market.

1 investor

Hybrid Greentech is an energy trading and storage specialist that turns batteries, renewables, and EV charging into grid-supporting assets, handling everything from business case development to live market trading. It operates battery storage (BESS), renewable generation, and EV charging assets using an in-house trading and control platform, with operations in Denmark.

1 investor

Hycosys develops compact recuperated micro gas turbine platforms with fuel-flexible combustion hardware for hydrogen, hydrocarbons, and blended fuels, covering combustion, heat exchange, and high-speed rotating components. Its systems target critical-load and backup power, CHP, propulsion for small and unmanned aircraft, range extension for heavy transport, and distributed power for remote or weak-grid sites.

1 investor

Hydr.A acquires, renovates, and optimizes aging hydroelectric power plants across France, aiming to build a 15 MW portfolio of low-head run-of-river plants by 2027. Founded in early 2024 by investment fund Andera Smart Infra, it focuses on renewable energy production and supporting the energy transition using local French suppliers.

1 investor

Hydra Energy provides hydrogen-as-a-service to decarbonize the trucking industry by connecting hydrogen supply with fleet operators through diesel-hydrogen co-combustion retrofit technology. The company operates in Western Canada and serves commercial fleet operators seeking cleaner fuel alternatives.

1 investor

HydraGas works on methane stabilization and recovery to produce cleaner energy, combining process modelling, hydrodynamic investigation, engineering analysis, and limnological assessment. The company focuses on mitigating methane emission risks while generating carbon credit potential and supporting sustainable energy production.

1 investor

Hydro Wind Energy develops AI-enabled offshore wind systems that generate dispatchable renewable power, mechanical energy storage, and desalinated water. The company targets the global energy and AI infrastructure markets by combining offshore wind platforms, floating data centres, and subsea desalination technology.

1 investor

Stantec is a global engineering, architecture, and environmental consulting firm that delivers projects across infrastructure, energy, buildings, and water sectors. The company serves public and private sector clients to design sustainable solutions for communities.

1 investor

HydroFlow Energy develops TideMaster, a modular and scalable tidal energy technology for renewable electricity generation, with a design intended to limit effects on marine life. The company is based in the UK.

1 investor

Hydrogen in Motion develops solid-state hydrogen storage solutions to enable clean energy adoption across multiple industries. The company focuses on safe, lightweight, and scalable technologies for storing and deploying hydrogen fuel.

1 investor

Hydrogen Optimized builds RuggedCell alkaline electrolyzers based on Stuart unipolar technology, designed for durability of 25+ years without stack replacements and to withstand renewable power start/stop cycles. The company targets mega-scale hydrogen production projects and operates a manufacturing facility in Owen Sound.

1 investor

Hydrogen Refinery is a company associated with hydrogen energy. The page provides an investor contact but gives no detail about its products or technology.

1 investor

Hydrogenera is a publicly listed entity in Bulgaria that provides investor relations documentation and financial disclosures under Bulgarian regulatory requirements.

1 investor