Energy Startups

Jaza runs a decentralized, solar-powered energy network that recharges batteries to power off-grid homes and businesses across East and West Africa. Each local energy system is operated by "Jaza Stars," young women who serve their communities, and the company reports powering over 1 million people.

1 investor

Jernforsen develops and manufactures custom biomass-fired bioenergy plants for heat production, serving properties, wood industries, sawmills, and district heating operations. Founded in 1984, the company offers full-service or partial project engineering and delivers primarily across the Nordics and Europe.

1 investor

JET operates a network of fuel stations offering petrol, EV charging, car washes, and convenience services such as a bistro with coffee and snacks. It also provides fuel cards (JET Card) for business customers and gift vouchers, serving retail and commercial drivers in Germany.

1 investor

Jet Zero develops sustainable aviation fuel (SAF) projects in Australia to support regional economies, fuel security, and decarbonization in the aviation and transport sectors. The company builds biofuel production facilities to meet growing global demand for SAF as an alternative to conventional jet fuel.

1 investor

Jolt Energy Storage Technologies is a materials research firm developing a new class of electrochemically active organic compounds (branded PyCore) as an alternative to Li-ion and lead-acid chemistries for mobile and grid-scale energy storage. Its materials target industrial and consumer energy storage applications, including long-duration grid storage and redox flow batteries.

1 investor

Jones Engineering is a company founded by Harry Austin O'Neil, a plumber who brought expertise from the United States back to Ireland to establish operations in Dublin.

1 investor

Joubit is a platform that lets users make small-stake predictions on day-ahead, intraday, and imbalance energy markets, with positions settling automatically against official exchange and grid data. It is aimed at energy professionals who understand these markets but lack the collateral, exchange, and settlement access to trade them.

1 investor

Joules AI develops AI-powered solutions for energy systems and infrastructure. The company combines deep expertise in electrical energy systems, machine learning, and power electronics to address challenges in sustainable energy and grid modernization.

1 investor

JSM Group is a specialist infrastructure engineering company that designs and installs complex power networks, digital infrastructure, and critical systems. It serves tier-1 clients across power grids, data centres, renewable energy, and utilities sectors in the UK, Europe, and beyond.

1 investor

JT THORPE provides specialized industrial services including thermal management (fireproofing, refractory, insulation, protective coatings), scaffolding and access systems, asset maintenance, and asset integrity solutions. It serves industrial facilities and critical process environments across the United States.

1 investor

Jule builds energy storage systems and energy storage-based ultra-fast EV charging stations, including infrastructure for electric buses and transit authorities. Founded in 2009, the company offers turnkey solutions with in-house capabilities and deploys stations across Canada and the United States.

1 investor

Kabisa is an electric vehicle dealer offering EVs such as SUVs, pickups, vans, and trucks along with charging and maintenance services. It operates in East Africa, with a presence in Rwanda.

1 investor

Kaefer is a company that prioritizes health, safety, environment, and quality standards across its operations and for its clients. The page emphasizes HSEQ as a foundational organizational principle practiced throughout the company from frontline employees to executive leadership.

1 investor

Kairos Technology develops software for the energy industry.

1 investor

KAKTI provides autonomous, round-the-clock optimization for district heating plants, automating tasks like energy market bidding and price monitoring. It uses weather and data-driven forecasting to help plant operators reduce manual work such as spreadsheet management and early-morning monitoring.

1 investor

Kalkitech provides data acquisition, device management, and remote access software for utilities and distributed energy resources, offered as a hosted cloud service or on-premise deployment. The platform integrates meter data, telemetry, and DER management for electrical utilities, renewable energy providers, and EV charging operators.

1 investor

Kalkulátor.cz is a Czech comparison and monitoring service that helps households compare and switch electricity, gas, and insurance providers, handling contract transfers and tracking contract end dates and bonuses. The service monitors the market for savings opportunities and is free for consumers, earning commissions from partner providers.

1 investor

Kamworks supplies rooftop solar energy systems to industrial and factory operations in Cambodia. The company helps manufacturing businesses reduce energy costs and environmental impact through on-site solar installations.

1 investor

Kanał Energetyczny is a Polish B2B media portal covering the energy transition and renewable energy sources, publishing data, analyses, expert commentary, reports, and interviews on topics such as photovoltaics, wind, and the renewables (OZE) market. It also organizes industry events, serving professionals in Poland's energy sector.

1 investor

Karbon-X provides infrastructure for connecting climate-positive projects with organizations pursuing sustainability goals, facilitating carbon credit trading and environmental impact measurement.

1 investor

Karve Energy is a private oil exploration and production company focused on light oil production from the Viking play, with land holdings in the Consort and Hamilton Lake areas. It uses horizontal drilling and completions technologies to develop its oil-bearing formations.

1 investor

Kavaken provides AI-driven predictive maintenance and asset management software for renewable energy operators, using machine learning to detect issues, identify root causes, and prescribe corrective actions on assets such as wind turbines. It serves renewable portfolio owners and operators, with a customer success team that works with OEMs and third-party asset managers on data-backed service actions.

1 investor

Kawasaki HDG is a holding company overseeing a group of real estate and housing businesses, including residential home sales, solar energy systems, and building materials distribution across Japan. The group serves homebuyers and property owners seeking housing solutions, renewable energy upgrades, and home improvement materials.

1 investor

Kayne Anderson is an alternative investment management firm specializing in real estate, credit, infrastructure, and energy investments. The firm has built a track record since 1984 through a partnership-based business model.

1 investor