Cleantech Startups

Lithos Carbon uses enhanced weathering of basalt spread on croplands to remove atmospheric carbon dioxide and store it in ocean carbonates. The technology combines soil modeling and machine learning to maximize carbon removal while improving soil fertility, with continuous monitoring from farm to ocean for permanence verification.

5 investors

Loliware develops seaweed-based materials ("SEA Tech") used to make plastic-free products and offers licensing of its resin technology to companies pursuing ESG and plastic-reduction goals. It targets businesses seeking sustainable alternatives to conventional plastics.

5 investors

MGA Thermal develops a thermal energy storage system based on stackable "MGA Blocks" that stores renewable energy and discharges it as process heat, steam, or electricity for grid and industrial use. The long-duration Electro-Thermal Energy Storage (ETES) technology is aimed at firming variable renewable generation to enable 24/7 clean power.

5 investors

Milvus Advanced is a deeptech company that designs and manufactures high-performance nanomaterials and nanoalloys from abundant raw materials as replacements for scarce materials such as platinum-group metals. Its materials are engineered for integration into existing industrial systems.

5 investors

Mint develops a chemistry-based process to recover critical minerals from electronic waste, avoiding high-temperature smelting. Founded in New Zealand, it works with technology manufacturers to supply responsibly sourced critical metals for manufacturing supply chains.

5 investors

Moment Energy builds Luna, a battery energy storage system (BESS) made from repurposed EV batteries that provides backup power, demand-charge reduction, and energy resilience for commercial and industrial facilities. Its systems are manufactured in British Columbia and hold UL 1973, UL 9540, and UL 9540A certifications, with cloud-based remote monitoring.

5 investors

NanoGraf develops a silicon-based high-energy-density anode material intended to replace graphite anodes and improve the performance of lithium-ion batteries. Its technology targets applications ranging from military to consumer electronics and electric vehicles, offering gains in energy density, range, and cycle life.

5 investors

Neara provides a 3D, physics-based digital twin platform that unifies LiDAR, GIS, and asset records into an engineering-grade model of electrical networks, letting utilities simulate environmental and mechanical scenarios to predict asset failures, prioritize grid hardening, and plan network designs. It serves electric utilities and grid operators for wildfire, flood, and storm risk analysis, asset management, and design validation.

5 investors

Nelumbo develops PFAS-free surface coatings for anti-ice and water repellency, including IceNein for heat exchangers in refrigeration and HVAC systems to reduce ice formation and improve energy efficiency, and Mineral for durable water-repellent textiles. It serves refrigeration and HVAC asset owners and operators as well as textile manufacturers.

5 investors

Neufin provides renewable energy procurement for businesses with power demand from 100 kW, offering bulk procurement pricing, multi-state coverage, and standardized pre-negotiated contracts with flexible durations from 3 months to 25 years.

5 investors

Niko offers photovoltaic (solar) systems in Mexico, with financing options including cash purchase and financial leasing. It targets businesses and self-employed individuals with business activity, providing clear invoicing to support tax documentation.

5 investors

OpenStar develops compact fusion energy technology using a levitated dipole approach and high-temperature superconducting systems, working toward commercial fusion. The company originated from the Robinson Research Institute in New Zealand.

5 investors

Orange builds Level 1 and Level 2 EV charging outlets and EVSE hardware paired with its OrangeOS software, designed for multifamily properties. The system uses proprietary mesh technology to charge without WiFi or cell signal and lets landlords set prices and track sessions while drivers charge via a mobile app.

5 investors

5 investors

Perl Street provides financial infrastructure and software for renewable energy investors and developers to manage capital deployment, compliance, and operations related to clean energy projects, particularly those funded through the Greenhouse Gas Reduction Fund. The platform helps teams track portfolio metrics, manage project pipelines, and meet federal reporting requirements at scale.

5 investors

pH7 Technologies develops sustainable metallurgical extraction solutions for critical and precious metals from primary mining operations and recycled materials, using proprietary organo-electrochemical processes to maximize recovery while reducing environmental impact and energy consumption.

5 investors

Phospholutions develops phosphorus fertilizer technology, including its patented RhizoSorb additive and RhizoSorb 8-39-0 product, designed to increase phosphorus efficiency and replace dry MAP and DAP fertilizers. It serves fertilizer manufacturers, retailers, and growers in agriculture.

5 investors

Photoncycle develops energy technology for powering homes, currently being piloted with Norway's largest house builder and planned for large-scale manufacturing starting in 2027. The company aims to make renewable energy consistently available and affordable for residential use globally.

5 investors

Picarro provides greenhouse gas and volatile organic compound monitoring solutions, combining cavity ring-down spectroscopy (CRDS) instruments with data analytics and support for industrial and scientific sectors. Its systems are used for emissions reduction, gas leak detection, regulatory compliance, and environmental research across applications such as natural gas utilities and ethylene oxide monitoring.

5 investors

PlasmaLeap builds plasma-based, zero-emissions chemical reactors for the synthesis of green fuels and chemicals and for treating hazardous industrial waste. It serves industrial and academic research customers within the Power-to-X and green chemical production space.

5 investors

Posh builds rapidly deployable battery storage and on-site power generation systems for commercial, industrial, and data-center customers, paired with intelligent energy management software. The company serves businesses that require fast power deployment when grid infrastructure cannot keep pace with demand.

5 investors

PosiGen is a residential solar company that installs and services solar energy systems for homeowners, including system monitoring and billing. As of early 2026 it is undergoing a business restructuring and transitioning customer servicing to third-party providers.

5 investors

Public Grid simplifies access to household energy efficiency actions and connects individuals with their neighbors to collectively reduce emissions and save money. The platform serves households seeking to take environmental action without complexity.

5 investors

Q-Bot installs underfloor insulation beneath suspended timber or concrete floors, applying closed-cell foam either robotically or by hand to reduce heat loss and draughts. It serves UK homeowners with suspended floors, offering surveys, installation, and quality verification.

5 investors