Energy Startups

Crown Battery manufactures batteries, chargers, and related accessories for electrification and energy storage in commercial and industrial markets as well as end users. The company sells through a network of dealers and distributors and offers both SLI (automotive/starting) and industrial battery lines.

1 investor

Crux provides a platform for clean energy finance, combining advisory services, managed capital products, and market intelligence to help clients close transactions across capital solutions and tax investment opportunities. It serves developers, lenders, tax investors, advisors, and legal professionals in the energy and project finance markets.

1 investor

CryoCollect develops technologies for capturing and liquefying CO2 and biomethane from biogas, including micro-liquefaction units and food-grade BioCO2 production. Based in France, the company designs and commissions CO2 capture and gas treatment projects.

1 investor

Crystron Tech publishes technical analysis of lithium iron phosphate (LFP) battery cathode manufacturing, examining how the olivine crystal structure drives process and quality-control complexity across cathode active material production. The content focuses on battery materials, supply chains, and materials innovation for the electric vehicle and energy storage industry.

1 investor

CSI (Controls Southeast Inc.), a business of AMETEK, designs and manufactures process heating solutions and sulfur process equipment, including custom thermal process and heat tracing systems for piping, asphalt, crude oil, plastics, and resin applications. It serves the chemical, petrochemical, plastics, and refining process industries.

1 investor

CS WIND is an energy solutions company focused on ESG-oriented operations, presenting itself in the wind and renewable energy sector.

1 investor

CTEK develops and sells battery chargers, maintenance devices, jump starters, and EV charging stations for cars, motorcycles, boats, and commercial vehicles. It supplies both consumers and businesses, including collaborations with automotive manufacturers, and offers home, workplace, and public EV charging hardware and software with load balancing and payment features.

1 investor

CTRL ENERGY develops LEPO, a modular and reusable smart battery designed for stationary and emergency energy storage, using recycled cells and recycled/bio plastic. It positions its product as an alternative to lead-acid batteries with reusability up to 40 years and reduced battery costs.

1 investor

CUBi Energia is a digital platform that captures, digitizes, and analyzes electricity bills, automatically collecting invoices from Brazilian utility distributors and turning them into structured data with dashboards for consumption, demand, and cost analysis. It serves companies with multiple consumer units (such as retail chains, telecom, sanitation, and agribusiness firms) and energy consultancies in Brazil.

1 investor

Cubility develops and manufactures separation and waste-treatment equipment, including solids control for oil and gas drilling and dewatering and filtration systems for wastewater across industries. It serves sectors such as oil and gas, mining, geothermal, HDD, and environmental, selling through a global network of distribution partners.

1 investor

Cuculus develops software and IoT technology for utility providers, including its ZONOS IoT platform that connects and manages large numbers of smart meters, processes metering data, and helps balance electricity grids. The company serves energy and water utilities worldwide.

1 investor

Curo operates a network of electrified parking and charging infrastructure for commercial vehicle fleets across the United States, providing both fleet operators with access to Level 2 and DC fast charging and property owners with revenue opportunities through parking monetization.

1 investor

Currentt makes a locally-operating home energy management device and app that measures and controls electricity use directly from the meter cabinet, coordinating solar power with appliances such as heat pumps and boilers to cut energy costs. It serves Dutch homeowners, housing corporations, and installers, and is developed and produced in the Netherlands for the Dutch energy market.

1 investor

Currentum is a Nordic group of about eighty installation companies operating as an installation partner across HVAC and sprinkler, ventilation, electrical and security, and energy and building automation. It provides installation, design, energy optimization, and service for construction, real estate, industrial, and public-sector customers in Sweden, Norway, and Finland.

1 investor

Cybrik develops cybersecurity products for public institutions and critical infrastructure services. The company builds all software in-house and maintains sovereign, auditable systems under operator control.

1 investor

Cycle Group is an investment firm that provides growth capital, operating expertise and network access to entrepreneurs building scalable eco/climate technologies such as renewable energy, solar, wind, hydrogen and energy software. It applies the EU taxonomy to guide its investment strategy toward companies with emission-reduction potential.

1 investor

Cycle0 develops, owns, and operates biogas plants across Europe that convert organic waste into renewable natural gas (biomethane), producing Bio-CNG, Bio-LNG, and Bio E-Fuels for grid injection, liquefaction, and offtake contracts. It serves industrial clients in hard-to-abate sectors such as manufacturing and data centres, as well as governments seeking to meet renewable gas production targets and ESG obligations.

1 investor

Czar Power develops a consolidated energy system that integrates renewable energy sources and AI-based energy management to lower costs, speed installation, and improve resiliency compared with legacy energy setups. It aims to expand access to clean energy for a broad range of users.

1 investor

Provider of energy-efficient roof renovations and rooftop photovoltaic installations for industrial and commercial buildings, combining roofing and PV expertise. Services span assessment, planning, installation, and maintenance of solar systems across Germany, serving clients in logistics, automotive, retail, and other sectors.

1 investor

Danfoss engineers industrial solutions that increase machine productivity, reduce emissions, and lower energy consumption across hydraulics, fluid conveyance, data center applications, and electrification. The company serves industrial and mobile equipment manufacturers globally with a focus on sustainability and efficiency.

1 investor

Darcy Solutions develops the Darcy Dipole System, a groundwater-based geothermal heat exchanger designed around site-specific geology to provide thermal energy for heating and cooling buildings. Founded by University of Minnesota geologists, the company designs and builds geothermal systems to decarbonize building operations.

1 investor

Dartboard Energy processes raw alarms and state data from industrial systems into classified events with audit trails, eliminating manual log reconstruction for energy and industrial operations. The platform reads data from data lakes, historians, and energy management systems, then writes structured events back to existing workflow tools.

1 investor

dataphleet is an AI platform that automates NERC regulatory compliance for electric power companies, executing compliance checks by reading equipment docs, relay settings, and schematics, then generating audit-ready evidence and reports. It targets specific NERC standards (e.g. PRC-005, PRC-024, CIP-002) for utilities, generation operators, and grid compliance teams in the energy sector.

1 investor

Datatherm captures waste heat from data centers and transfers it via a heat-exchange system to supply hot water to hotels, apartment buildings, pools, and industrial facilities. It offers a heat-recovery service aimed at reducing hot water heating costs and carbon emissions for these customers.

1 investor