Energy Startups
5,969 companies tagged Energy, with their investors and founders.
Carter Wind Energy designs, engineers, and manufactures light-weight, self-erecting two-blade wind turbines, initially targeting small wholesale and industrial distributed-generation installations for harsh and remote locations. A third-generation family business, it serves the global electric power generation market with mid-size turbine technology.
1 investor
CASHIN provides payment terminals, POS systems, and e-invoicing solutions, with a focus on automation for fuel and energy stations using a "Tank to Bank" approach and AI-powered dashboards. It serves retail, food & beverage, gas station operators, and large-scale events in Saudi Arabia.
1 investor
CaSil Technology develops proprietary materials with a smart-release fertiliser for agriculture that matches nutrient availability to plant demand, and also produces metal recovery solutions from industrial and mining waste streams. The CaSil material platform serves applications spanning agriculture, environmental remediation, tire manufacturing, moisture control, and thermal insulation.
1 investor
Castle Rock Biofuels produces renewable fuels from biomass feedstocks for transportation and energy markets.
1 investor
Cat Tech provides catalyst handling services—loading and unloading catalysts from processing units—for the refining, chemical, petrochemical and processing industries. The company operates internationally across multiple regions with a strong emphasis on safety.
1 investor
CATCH Power provides home energy management technology that lets homeowners automate and optimise their energy usage with real-time monitoring, serving both homeowners and installers. The company offers smart energy control products in the residential cleantech/energy sector.
1 investor
Cathedra develops and operates digital infrastructure assets across North America, with leadership expertise in operations, capital markets, and bitcoin mining.
1 investor
CCE Holding is a vertically integrated independent power producer that develops, builds, finances, and operates solar photovoltaic plants and battery storage projects. Founded in 2010, it operates across seven countries in Europe and South America to supply renewable electricity to the grid.
1 investor
Cecilia produces advanced carbon materials derived from plastic waste for industrial applications. The company manufactures carbon nanotubes and recycled polymer composites that enhance performance in aerospace, electronics, and automotive industries while reducing environmental impact.
1 investor
Cellfion develops materials for next-generation energy and water systems, focused on safer, higher-performance alternatives that reduce environmental impact. The company positions its work around sustainability and circular systems aligned with the UN Sustainable Development Goals.
1 investor
Nana A. Holdings Ltd. is an operating company with interests in child education, energy, maritime, mobility, and industrial manufacturing.
1 investor
Cenosco develops IMS RCM, a cloud-based Reliability-Centered Maintenance software that helps industrial operators prevent unplanned equipment failure and optimize preventive maintenance tasks. It is part of the IMS Suite, a set of integrity and equipment management tools for asset-heavy industries, offering features like asset hierarchy, ERP integration, dynamic forms, and offline field inspections.
1 investor
Cenpower Generation Ltd is a special purpose vehicle that developed and operates the Kpone Independent Power Plant (KIPP), a combined cycle gas turbine thermal power station in the Tema industrial zone near Accra, Ghana. The plant supplies base-load electricity, accounting for roughly 10% of Ghana's installed generation capacity.
1 investor
The Center for Sustainable Infrastructure (CSI) is a non-profit that promotes and develops integrated infrastructure projects combining energy, water, and material systems, including industrial symbiosis models, to deliver economic and environmental value for communities. It focuses on the Pacific Northwest, working with partner cities and local economic development efforts.
1 investor
Center Rock designs and manufactures down-the-hole (DTH) rock drilling tools for construction, mining and quarry, oil and gas, geothermal, utility, water well/blast hole, and horizontal directional drilling applications. The company also provides repair, custom manufacturing, field services, and technical support, and sells its tooling worldwide.
1 investor
Centrica Business Solutions provides energy solutions focused on net zero, sustainability, low carbon, and renewable energy for business customers. It also publishes energy market insights, news, webinars, and podcasts.
1 investor
Cereus Ultrasonics develops ultra-wideband active/passive sonar systems and high-power analogue components for interfacing piezo-electric transducers to power amplifiers in fluidic and high-pressure gas mediums. The company applies electro-acoustic techniques such as Acoustic Resonance Technology, including crack detection and condition measurement in gas pipelines.
1 investor
CERTANIA provides testing, inspection, and certification services across areas such as food testing, pharmaceutical examination, and building inspection. It combines technical expertise with digital tools to deliver these safety and compliance services to customers.
1 investor
Certarus is the North American market leader in providing integrated compressed natural gas services and solutions to regional energy customers across North America.
1 investor
conductr is a digital platform that connects project developers with pre-vetted experts (certifiers, assessors, engineers) to accelerate the grid connection process for renewable energy installations. It provides a collaborative workspace, digital procurement, workflow automation, and AI-assisted documentation to reduce approval timelines.
1 investor
Certinergy assists building professionals and property owners with energy efficiency projects through technical solutions and financial support, including energy savings certificates (CEE) in France.
1 investor
Cervi is a Finnish building services (talotekniikka) company specializing in indoor air conditions, offering ventilation cleaning, balancing, maintenance, chimney sweeping, and cooling/refrigeration system service for homes and properties. It uses digital and IoT technology for smart ventilation and heat pump systems, and operates through property maintenance contracts for housing companies and commercial buildings.
1 investor
CESA CFA is an agency of the Ortec Group specializing in electrical engineering and low-current (courants faibles) systems, including fire safety, communication networks, and security systems for building renovation and new construction. It serves sectors such as nuclear, defense, chemicals/pharma, transport, aerospace, and public administrations, primarily in France's Ile-de-France region.
1 investor
CETAL provides industrial heating and heater optimization services for manufacturing sectors including petrochemicals, plastics, packaging, power generation, and food production. The company leverages 50 years of experience and lean quality management to deliver heating system solutions focused on performance and cost efficiency.
1 investor







