Energy Startups

Hepta provides an AI-enhanced software platform that analyzes drone, helicopter, LiDAR, satellite, and ground patrol data to detect anomalies and assign risk scores on power transmission and distribution grids. It serves utility grid operators (DSOs and TSOs) to improve inspection efficiency and reduce maintenance costs, with integrations for CMMS, EAM, and GIS systems.

1 investor

The Herholdt's Group is a South African wholesaler and supplier of electrical, lighting, and renewable energy products and accessories from various brands. It provides residential, commercial, and industrial solar energy solutions and operates branches across South Africa.

1 investor

Hertford Birch installs EV charging solutions on commercial properties and acts as a consulting service between property and charging industries to maximize financial returns. The company serves shopping centres, logistics fleets, and workplace offices primarily in the UK and EU markets.

1 investor

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.

1 investor

Hestiia builds electric radiators (myEko Pro®) that capture and reuse waste heat from digital computing to heat new-construction housing, helping meet France's RE2020 energy standards. It targets property developers, social landlords, and engineering firms in the French building sector.

1 investor

HeXalayer develops and supplies advanced materials—including turbostratic graphene and other carbon materials—for research and product development in electrochemistry, conductive and thermal composites, sensing, catalysis, coatings, and energy storage. It provides materials backed by analytical characterization (HRTEM, Raman, XRD, FTIR, EDS) in research quantities and custom or bulk supply for researchers, universities, national laboratories, and battery developers.

1 investor

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.

1 investor

Heygaz operates a platform for producing and commercializing biomethane from agricultural waste and biomass across Europe, combining existing production sites in Northern and Southern Europe with a development pipeline in Iberia. It supplies renewable energy to a range of customers as an alternative to imported natural gas.

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

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

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 manufactures EV charging cables and related accessories for the New Zealand electric vehicle market. The company offers certified charging cables that support both single-phase and three-phase AC charging for modern electric vehicles.

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

Hydrogen Mem-Tech develops patented palladium membrane separators that convert bio- and natural gases into pure hydrogen. The Norway-based company supplies its hydrogen separation technology to businesses globally.

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 supplies energy solutions and battery storage systems, serving customers by providing specialized expertise and modern energy innovations.

1 investor

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.

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