Energy Startups

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

Curtis is a contract electronics manufacturer operating three global plants that design and produce components and assemblies with automated and robotic manufacturing processes. The company serves customers across industries through facilities in Puerto Rico, Bulgaria, and China.

1 investor

Cycle Group is a venture capital and investment firm focused on identifying and supporting entrepreneurs building technology companies, particularly in cleantech and renewable energy sectors. The team provides business development support, customer validation assistance, and guidance for global expansion to portfolio companies.

1 investor

Cycle0 is a vertically integrated developer, investor, builder, and operator of biomethane plants across Europe that converts waste into renewable natural gas to reduce carbon emissions. The company serves agriculture, waste, food, and water sector organizations seeking renewable energy solutions and emissions reductions.

1 investor

Cygni develops energy storage solutions and provides solution engineering to help customers identify the right storage systems, with a stated focus on advancing India's decarbonization. The company operates in the energy storage sector alongside solar and related technologies.

1 investor

A clean energy company focused on building partnerships to advance the energy transition.

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 is an industrial engineering company providing solutions that enable decarbonization and energy efficiency for businesses across multiple sectors, supporting the transition to sustainable operations aligned with climate goals.

1 investor

Danu Venture Group is an investment firm that funds enabling technologies for physical and digital infrastructure projects, focusing on areas such as energy, compute, automation, data, autonomy, and security. It targets companies tied to national security and economic competitiveness.

1 investor

Daramic manufactures battery separators using polyethylene and other materials for various applications. The company operates a global manufacturing footprint across North America, Europe, Asia, and India.

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

DTS designs and manufactures air-cooled heat exchangers and energy solutions for petrochemical and power generation plants globally. The company provides products including air fin coolers, air cooled condensers, and organic Rankine cycle systems, with a focus on waste heat recovery and energy efficiency.

1 investor

DASAN Networks is a Korean telecommunications equipment company, founded in 1993, that develops and supplies broadband internet and optical network gear, and also runs enterprise/public-sector network and automotive electronics businesses. It pursues global telecom equipment sales through its DZS affiliate and has participated in power-grid and communications infrastructure reconstruction projects in Ukraine.

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

Davidson Instruments designs and licenses fiber optic pressure measurement systems for harsh industrial environments including downhole oil and gas and power generation applications. The company's sensors use extrinsic white light interferometry technology to enable reliable measurements in extreme temperatures, explosive atmospheres, and high electromagnetic interference conditions.

1 investor

Dawn Solar provides solar panel detachment and resetting services for roofing companies, handling the removal and reinstallation of solar panels during roof replacement or repair jobs. It targets roofers dealing with insurance-covered roof work involving existing solar installations.

1 investor

Daze designs and manufactures automated electric vehicle charging systems, including Dazeplug and Dazebox products, serving the electric mobility market across Europe.

1 investor

DBBS provides engineering services and thermal storage system solutions for building HVAC retrofits and industrial heat recovery using its Zero-Mixing technology and Split Buffer Tank system to improve energy efficiency and support carbon reduction goals.

1 investor

Deca is a digital infrastructure and real estate development firm that identifies, entitles, and delivers large-scale sites for data center campuses, power generation, and fleet parking and charging, while also pursuing community-oriented real estate development projects. Founded in 2014 and based in San Francisco, it serves end-users and infrastructure developers such as hyperscalers, EPCs, and EV infrastructure developers.

1 investor

DeCharge operates a decentralized, community-owned EV charging network where individuals can purchase chargers or provide liquidity to earn rewards from charging fees and network spreads. The platform uses blockchain technology to enable fractional ownership of charging infrastructure and allows EV drivers to access a global network of charging stations.

1 investor