Energy Startups

Corex Resources Ltd. is a private junior oil and natural gas company focused on development drilling, farm-in opportunities, acquisitions, and exploration, primarily targeting light oil opportunities in Manitoba, Canada. It is a Canadian resource company incorporated in 2007 (formerly Amarone Oil & Gas Ltd.).

1 investor

Corinex provides grid visibility and flexibility technology aimed at grid modernization, targeting the energy sector. The company shares updates on grid trends, policy, and workshops through its CoriNEXT newsletter.

1 investor

Corle is an Estonian infrastructure contractor with over 15 years of experience building electrical and telecommunications networks and managing energy projects. It offers turnkey general contracting from design to maintenance, including telecom network construction, power grid construction, street lighting (including smart solutions), engineering, business analysis, and project management.

1 investor

Cormint owns and operates energy infrastructure for large-scale computing, running 130 MW across sites in West Texas with expansion capacity toward gigawatt scale. Originating as a low-cost Bitcoin mining operator, the company designs, manufactures, deploys, and operates its own systems to provide low-power-cost compute capacity for AI and other institutional workloads.

1 investor

Cornerstone is a chemical producer whose facility manufactures acrylonitrile, melamine, sulfuric acid and urea for use in industrial and consumer products such as electronics, countertops, car batteries, carbon fibers, and fertilizers. Its outputs serve manufacturing, aerospace, automotive, and agricultural markets, including U.S. military and commercial aircraft producers.

1 investor

Cornwall Insight provides energy market data, analysis, forecasts, and consulting for the GB and Irish energy sectors, covering areas such as power prices, price cap forecasts, and market share. It serves energy suppliers, generators, and other industry stakeholders with research and advisory services.

1 investor

Correla builds software and provides outsourced services for the UK energy and utilities sector to support decarbonisation, including smart meter management, heat-pump engineering tools, and energy data platforms. It serves utility providers, energy market operators, and heating engineers.

1 investor

Cortex Fusion Systems develops nuclear energy technology using ultrafast lasers, including a compact high-repetition-rate fusion source, a hybrid fusion-fission reactor that drives a subcritical fission blanket with fusion neutrons, and a laser-based uranium enrichment process using broadband lasers to produce HALEU and LEU. The company targets grid-scale nuclear energy and fuel production, with technology intended for co-location at industrial sites.

1 investor

Corvus Energy develops battery-based energy storage systems (ESS) for zero-emission ships, serving vessel types across the maritime industry from port and coastal operations to deep-sea applications. Founded in 2009, the company builds a product line of marine lithium battery systems used to reduce vessel emissions, with operations in Europe, Asia, and North America.

1 investor

1 investor

Coulomb.ai develops real-time battery analytics and diagnostics software for electric vehicles, addressing range prediction reliability, battery failure prevention, and degradation monitoring. The company serves fleet operators and EV manufacturers seeking to improve operational efficiency and reduce battery-related costs.

1 investor

Cozynergy performs and certifies energy renovation and photovoltaic installation work for French homeowners. The company provides diagnostics, project management, installation by certified partners, and assistance accessing government subsidies for energy efficiency improvements.

1 investor

CP Energy is a privately owned midstream energy company, founded in 1997, that purchases crude oil and condensate from producers and provides gathering, transportation, processing, and storage services across Texas, Oklahoma, Kansas, and New Mexico. It serves producers, marketers, refiners, and other oil and gas supply chain stakeholders, operating a network of delivery points, company-owned trucks, and storage capacity at Cushing, Oklahoma.

1 investor

Clean Power Hydrogen (CPH2) develops and manufactures a membrane-free electrolyser for producing green hydrogen from renewable electricity. Its technology targets decarbonisation applications across hospitals, electricity grids, data centers, semiconductor production, and refuelling depots.

1 investor

C-Power is an ocean power company that builds wave-energy generation systems supplying persistent power, data collection, and cloud transmission for offshore applications such as unmanned underwater and surface vehicles, autonomous maritime AI, and remote loads. It serves customers in the ocean economy, including defense and offshore operations sectors.

1 investor

CPower operates a virtual power plant platform that monetizes commercial and industrial customers' energy assets through demand response and energy flexibility programs, generating revenue while supporting grid reliability. It serves sectors including data centers, crypto mining, healthcare, education, retail, real estate, and industrial operations.

1 investor

CPP Wind provides wind engineering services, including full-scale wind load measurement and testing for structures such as solar PV racking systems. It publishes technical resources like white papers on best practices for measuring wind loads.

1 investor

Crete United operates a national network of mechanical, electrical, plumbing, and building automation specialists, combining local firm leadership with shared support and scale. It serves building owners and operators seeking energy efficiency and building health services.

1 investor

Carbon Recycling International develops and licenses ETL technology that converts captured CO₂ and hydrogen into sustainable methanol at commercial scale. It serves industrial emitters, hydrogen and renewable energy producers, and methanol consumers in sectors such as marine, aviation, and chemicals, offering feasibility studies, technology licensing, project execution, and lifetime operational support.

1 investor

1 investor

Vistra is a Fortune 500 integrated retail electricity and power generation company serving residential, business, and community customers across the United States from California to Maine. It operates a family of retail electricity brands including TXU Energy, Dynegy, Homefield Energy, Ambit, U.S. Gas & Electric, and Energy Harbor, and generates zero-carbon electricity through Vistra Zero.

1 investor

Crossfield develops technology for the nuclear fusion fuel cycle, aimed at supporting economically viable fusion power generation. It focuses on clean energy solutions within the nuclear fusion industry.

1 investor

CrossnoKaye develops ATLAS, an enterprise control platform that uses machine learning and AI to automate precision control for heavy industry facilities. It optimizes system performance in real time by connecting to existing machinery to reduce costs and energy use across industrial sites.

1 investor

Crow Holdings Capital is the investment management arm of Crow Holdings, a real estate firm that acquires and develops properties across multifamily/rental housing, industrial/logistics, and specialty asset classes such as self-storage, manufactured housing, student housing, and food & service retail. It focuses on U.S. markets, particularly the Sunbelt region.

1 investor