Energy Startups

HG Power Transmission Sdn Bhd is an engineering, procurement, and construction (EPC) company that designs and builds high-voltage transmission lines and substations up to 500kV for utility companies. Founded in 1988 and operating in 10 countries, it also provides OPGW live-line solutions and focuses on the Southeast Asian market.

1 investor

Operator of the Hibikinada thermal power plant in Kitakyushu, which is being converted from coal/biomass co-firing to 100% biomass (wood pellet) generation with a 112,000 kW capacity to supply stable regional electricity. The plant aims to eliminate roughly 450,000 tons of CO₂ emissions and support decentralized clean energy in Japan's Kyushu region.

1 investor

HidrogeniCs uses patent-pending catalysts and low-temperature hydrocarbon pyrolysis to convert methane, natural gas, and biogas into solid carbon products (synthetic graphite, graphene, carbon nanotubes, and carbon black) and turquoise hydrogen. It targets domestic U.S. production of critical battery and industrial materials to reduce reliance on imported graphite and hydrogen.

1 investor

HPB is a German battery technology developer, organized as a Swiss stock corporation, that engineers solid-state batteries and licenses its technology worldwide rather than manufacturing itself. Its HPB Solid-State Battery targets stationary and mobile applications, from home storage to industrial buffers, serving manufacturers and businesses.

1 investor

City Plumbing is a UK-based distributor and supplier of plumbing, heating, bathrooms, and renewable energy products, serving contractors and professionals across the sector. Operating as part of Highbourne Group with 350 branches, it positions itself as a market-leading partner for plumbing and heating solutions.

1 investor

Highbury Energy produces renewable, low carbon intensity fuel. It develops processes for producing and upgrading renewable fuel gas.

1 investor

Highcast provides AI-powered software for industrial manufacturers to optimize electricity costs and manage energy procurement by calculating real-time total cost of electricity (CTE) and simulating production scenarios. The platform helps factories reduce electricity bills by 3-20% through AI-driven price forecasting, consumption prediction, and constraint-based optimization algorithms.

1 investor

Highland Electric Fleets provides electrification services to school districts, municipalities, and fleet operators to transition their fleets to electric vehicles. The company operates North America's largest electric school bus fleets and pioneered vehicle-to-grid technology.

1 investor

HighT-Tech develops advanced battery membranes and components using ultra-high strength (UHS) technology to improve performance, safety, and lifespan in battery applications. The company serves manufacturers of consumer electronics, electric vehicles, and grid-scale energy storage systems.

1 investor

HiiROC develops thermal plasma electrolysis technology to produce clean hydrogen at competitive costs without carbon emissions, suitable for power generation, industrial applications, and energy storage. The process also generates carbon black as a byproduct and operates at point-of-use scales from modular units to industrial systems.

1 investor

HIJAU assists industries and businesses with green transitions through renewable energy solutions and efficient cooling systems.

1 investor

Hikotron designs and manufactures EV charging infrastructure, including dual-post AC chargers and battery-buffered DC fast chargers, with products engineered and assembled in New Zealand for commercial and public charging applications.

1 investor

HitecVision is a venture capital and private equity firm that partners with entrepreneurs to build leading mid-market companies in the European energy sector, focusing on energy developers, producers, infrastructure owners, and specialized service providers. The firm invests between EUR 150-500 million per company and actively participates in establishing new ventures or scaling established companies with transformation potential.

1 investor

Milestone operates an AI-driven marketplace that connects energy project assets with financiers and buyers, using automated due diligence to speed up underwriting and funding. The platform supports buying, selling, and financing of energy projects with real-time deal transparency.

1 investor

HMT provides aboveground tank systems, seals, and environmental solutions for oil and gas and industrial storage operations. The company offers design, construction, maintenance, and inspection services across the U.S., Europe, and the Middle East, serving refineries, terminals, chemical plants, and other industrial sectors.

1 investor

HOBE ENERGY develops energy storage solutions using lithium, sodium, lead, and solid-state batteries, including small home backup units, industrial-scale storage for utilities and large commercial projects, and an in-house energy management system. The company targets both residential customers seeking blackout protection and power companies or industrial facilities balancing electricity demand and integrating renewable energy.

1 investor

Höegh Evi (formerly Höegh LNG) builds and operates floating energy infrastructure, including Floating Storage and Regasification Units (FSRUs) for LNG import, and is developing terminals for ammonia, hydrogen, and carbon transport and storage. It serves global energy markets, connecting energy producers and buyers, with stated activity supporting renewables in Latin America.

1 investor

Hollywood Trucks operates a fleet of solar-powered, off-grid production and talent trailers for the entertainment industry, featuring on-board solar arrays, battery storage, EV charging, Starlink WiFi, and vehicle-to-grid technology. The company rents customizable trailers (talent, restroom, hair/makeup, production office, and wardrobe models) to film, television, and live event productions.

1 investor

HoloSolis is building a large photovoltaic gigafactory in Sarreguemines-Hambach, France, to manufacture n-type TOPCon solar cells and photovoltaic modules. The plant is planned to start construction in 2026 with first modules produced in 2027, eventually reaching over 10 million panels per year.

1 investor

Holyvolt develops a screen-printing manufacturing platform combined with high-throughput material discovery for producing next-generation battery and thin-film solar cells. Its technology prints solar cells under ambient conditions and builds battery cells layer-by-layer across different chemistries, aiming for lower-cost, lower-emission, localized production.

1 investor

Homefort operates a cooking gas cylinder delivery service that automatically supplies a pre-filled cylinder before a household's gas runs out. It uses registered tare weights and tracking tools so customers pay only for the exact gas delivered, targeting consumers in Africa.

1 investor

Homenergy is a regional German provider that plans and installs residential energy systems including air-to-water heat pumps, photovoltaic panels with storage, EV wallboxes, and a cross-manufacturer energy management system with dynamic electricity tariffs. It uses its own local electricians and heating installation teams, serving homeowners across five locations in Germany.

1 investor

HONESS is an environmental remediation company specializing in treating high-concentration organic wastewater and providing comprehensive environmental services to industrial parks and enterprises. The company operates globally under a DMO model, serving over 300 customers with operations in China, Southeast Asia, Russia, and other regions.

1 investor

Hope Enterprise Corporation is a community development financial institution serving under-resourced communities in the Deep South (Alabama, Arkansas, Louisiana, Mississippi, and Tennessee) by providing financial tools and services to improve economic mobility and wealth-building.

1 investor