Energy Startups

Factorial develops solid-state batteries for electric vehicles, supplying prototype and sample cells to global automotive OEMs for testing. Spun out of a company founded from Cornell University research, it focuses on lithium-metal solid-state battery technology and related recycling and supply-chain solutions.

5 investors

Florrent develops bio-based supercapacitors with higher energy density than standard supercapacitors, aimed at short-duration power quality and reliability applications such as data center backup power, grid reliability, and renewables firming. Its active material is derived from domestic biomass waste sourced through a network of Black and Indigenous farmers.

5 investors

Flowcarbon provides financing solutions including project finance, private credit, and transferable tax credits for infrastructure, waste-to-value, and niche energy sectors. The firm specializes in capital solutions for frontier industries.

5 investors

Forge installs and services residential heat pumps for heating and cooling, guiding homeowners through system selection, design, installation, and Mass Save rebates. It serves homeowners across Massachusetts.

5 investors

Gaiascope operates an AI-powered platform for forecasting electricity grid conditions and optimizing trading and dispatch decisions for renewable energy assets. The company serves renewable energy asset owners and traders in the electricity market with software and advisory services.

5 investors

Generate Capital is a sustainable infrastructure investment and operating platform that provides capital and expertise for developers, businesses, and communities to invest in and operate sustainable assets across power, mobility, waste, green digital, water, agriculture, and industrial decarbonization sectors. The firm has invested over $10 billion since 2014 and manages over 2,000 assets globally.

5 investors

GridPoint develops building energy management and optimization technology for commercial buildings, aimed at reducing energy consumption, decarbonizing facilities, and supporting grid modernization. It serves commercial sectors such as retail and quick service restaurants through hardware, cloud software, and energy management services.

5 investors

Gritt builds an AI and robotics system for construction work, handling pick-and-place, transport, and assembly across solar, concrete, and rebar, with expansion into verification and planning. It deploys on jobsites with major US EPCs, starting in solar and extending to data center and large infrastructure projects.

5 investors

Helion develops fusion energy systems designed to generate clean electricity for commercial use. The company builds pulsed magnetic fusion prototypes with applications for industrial and commercial electricity generation.

5 investors

Heron Power develops power electronics and energy storage systems, leveraging expertise in software and manufacturing. The company is led by Drew Baglino, former Tesla executive responsible for battery and power systems development.

5 investors

Hometree provides energy services and solutions to help homeowners and landlords decarbonise their residential properties in the UK. The company operates a subscription model focused on residential heating solutions and has served over 100,000 customers.

5 investors

HST Powers develops software for clean energy project development, optimization, and procurement, serving clean energy developers building large-scale projects. The platform helps assess and build projects that deliver clean energy to the grid.

5 investors

Hydroleap develops electrochemical water treatment technology that replaces traditional chemical-intensive processes for wastewater treatment across industries including data centers, food and beverage production, and pharmaceuticals. The company serves industrial businesses seeking cost-effective and sustainable alternatives to conventional water treatment methods.

5 investors

HyLight develops hydrogen-powered airships equipped with advanced sensors and AI technology to monitor critical infrastructure including power lines, railways, and pipelines, enabling early risk detection. The company serves utility companies across Europe, helping prevent infrastructure failures and associated disruptions.

5 investors

INERATEC produces synthetic fuels and chemicals from CO₂ and renewable hydrogen using microstructure technology, offering e-SAF, e-diesel, and other drop-in ready fuels and chemical products for energy and manufacturing industries.

5 investors

Last Energy develops modular micro nuclear power plants designed to reduce deployment time and cost. The company targets decarbonization of global energy production and increased access to reliable power through scaled nuclear technology.

5 investors

LI-IND develops patent-protected, closed-loop production technology for making low-cost, high-performance battery materials. The company automates traditionally manual processes to reduce economic and environmental costs and secure the supply of critical battery materials.

5 investors

LineVision provides a grid intelligence platform offering Dynamic Line Ratings and situational awareness for electric utilities, using contactless edge sensors to monitor transmission lines and forecast capacity. Its NexusIQ portal turns real-time and environmental data into insights for utility operators and planners in the U.S. and U.K.

5 investors

Mainspring Energy develops power generation systems. The company focuses on technology for utility and data center customers.

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

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

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