Skycharger offers EV charging for motorsports, including solar, battery storage, financing support, and electrifying fleets. They provide installation, incentive processing, and charging infrastructure services for fleet electrification.
Quino Energy
Grant in 2025
Quino Energy specializes in manufacturing innovative battery systems that utilize organic quinone molecules dissolved in water for long-duration energy storage. Licensed from Harvard University, their technology offers a cost-effective alternative to traditional batteries for commercial and grid applications.
Viridi Parente
Grant in 2025
Viridi Parente, Inc. is a company based in Buffalo, New York, that specializes in manufacturing renewable power systems for heavy machinery and storage applications. Founded in 2017, the company focuses on creating clean and sustainable power sources utilizing lithium-ion cells. Their innovative products are designed to replace traditional energy platforms, such as fossil fuels and lead-acid batteries, with a more efficient and environmentally friendly alternative. By employing proprietary architecture, Viridi Parente positions itself as a disruptive force in the energy sector, contributing to a transition towards modern, sustainable energy solutions.
Chargie is a provider of reliable electric vehicle charging solutions for commercial buildings, communities, and the growing EV drivers.
Sepion Technologies
Grant in 2024
Sepion Technologies is an advanced membrane company based in Emeryville, California, founded in 2015. It specializes in the development of highly-tunable nanoscale membranes designed for various industrial applications, particularly in the energy storage sector. The company focuses on manufacturing innovative lithium-metal batteries by integrating nanoscience, polymer chemistry, and cell engineering. Its proprietary composite membrane serves as a cost-effective alternative to traditional ceramic separators used in lithium batteries, allowing for large-area production. This technology enables battery manufacturers to enhance energy density in their products, thereby improving overall performance and efficiency in energy storage solutions.
Ev.energy is a London-based company established in 2018, specializing in smart charging software for electric vehicles (EVs). Its platform optimizes EV charging during off-peak hours, tracks energy usage and costs, supports solar energy integration, and enables drivers to schedule and monitor charging via an app, thereby reducing both costs and carbon emissions.
Enchanted Rock
Grant in 2024
Enchanted Rock, Ltd. is a Texas-based company that specializes in the development, operation, and management of electric microgrids aimed at assisting commercial and industrial clients in mitigating the physical and financial risks associated with electricity. Founded in 2006 and headquartered in Kemah, Texas, the company focuses on designing and installing reliable microgrids, particularly in the Greater Houston area. Enchanted Rock utilizes proprietary natural gas designs to build cost-effective systems that provide backup power and enhance business continuity. Their services extend to municipalities, government entities, water authorities, and private businesses, ensuring that clients remain resilient during unexpected power outages while promoting civic responsibility.
Founded in 2017, ZeroAvia develops zero-emission aircraft propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable hydrogen-electric technologies that can retrofit existing aircraft and support sustainable aviation.
RedoxBlox develops thermochemical energy storage technology to decarbonize high-temperature industrial thermal processing and provide long-duration energy storage for the grid. The technology enables continuous high-temperature heat while integrating with existing infrastructure to replace natural gas combustion, supporting electrification and renewables deployment. It reduces carbon dioxide and nitrogen oxides emissions, enhances safety and resilience, and aims to lower total capital cost for industrial processors and power plant operators. By delivering scalable, long-duration heat, RedoxBlox helps industries leverage renewable energy and move toward low-emission operations.
The Mobility House
Grant in 2023
The Mobility House AG, founded in 2009 and based in Zurich, Switzerland, specializes in electric vehicle charging systems and energy management solutions. As one of Europe’s leading providers in the electric mobility sector, the company focuses on facilitating the transition to e-mobility through safe, sustainable, and affordable charging infrastructure. The Mobility House emphasizes the use of renewable energy sources, enabling both businesses and individuals to shift away from fossil fuel-based solutions. The company operates in a business-to-business capacity, collaborating with the automotive industry, leasing services, and energy utilities, while also serving individual electric vehicle customers. Their commitment to quality products, competitive pricing, and exceptional customer service positions them favorably in the fast-growing market for electric mobility and energy storage solutions.
Form Energy, Inc. is a company focused on developing long-duration energy storage systems aimed at transforming the electric grid by enabling the reliable use of renewable energy sources such as wind and solar. Established in 2017 and based in Somerville, Massachusetts, Form Energy is known for its innovative iron-air battery technology, which allows for the storage of electricity over extended periods, making renewable energy more dispatchable throughout the year. This technology not only helps to replace conventional fossil fuel-based generation but also enhances transmission capacity without the need for new infrastructure. By facilitating deep decarbonization of the electric system, Form Energy plays a significant role in reducing carbon emissions and promoting a sustainable energy future.
Antora Energy
Grant in 2023
Antora Energy specializes in delivering reliable, zero-carbon industrial heat and power solutions to heavy industries. The company's core technology involves thermal energy storage that absorbs excess solar and wind electricity, converting it into usable heat for industrial processes.
Nuvve is a company accelerating the electrification of transportation through its proprietary vehicle-to-grid (V2G) technology. Its Grid Integrated Vehicle, GIVe platform enables bidirectional charging to support efficient integration of renewable energy sources such as solar and wind, and to refuel next-generation electric vehicle fleets. The company focuses on enabling flexible grid operations and reducing the cost of EV ownership while enhancing grid resilience and renewable energy utilization.
FirstElement Fuel
Grant in 2023
FirstElement Fuel, Inc. is a company based in Irvine, California, that specializes in producing hydrogen for fuel cell electric vehicles. Founded in 2013, it operates a network of hydrogen retail stations throughout California, offering its products under the True Zero brand. The company focuses on providing safe and reliable hydrogen fueling solutions, promoting the use of fuel cell technology as a zero-emission alternative for transportation. When utilized in fuel cell vehicles, the hydrogen results in only water vapor as a byproduct, which supports environmental sustainability and reduces traditional energy consumption impacts.
LICAP Technologies specializes in engineering and manufacturing activated dry electrode technology for ultracapacitor cells and modules. Their proprietary process enables efficient, sustainable production of electrodes for various energy storage devices like lithium-ion batteries and capacitors, catering to automotive, grid, and industrial customers with high-performance products that meet specific application requirements.
EVgo
Venture Round in 2023
EVgo operates a nationwide public and private direct-current fast-charging network for electric vehicles. Its chargers support all EV models that accept DC fast charging and can deliver up to 90 miles of range in about 30 minutes. The network serves both consumer and business customers and partners with grocery chains, automotive original equipment manufacturers, hotels, shopping centers, gas stations, parking lot operators, local governments, and independent property owners to locate and deploy charging infrastructure.
American Lithium Energy
Grant in 2023
American Lithium Energy specializes in developing and manufacturing high-energy density silicon anode lithium-ion batteries. Their patented zero-volt stability technology ensures fast charging, extreme low temperature performance, and industry-leading safety. With over 100,000 units sold to global customers across Defense, EV, MedTech, and Aerospace industries, the company is rapidly growing and expanding its production capabilities.
Gradient’s mission is to cool the world by transforming every home to be more comfortable and healthy for the people who inhabit it — without compromising the environment. Today, heating and cooling equipment emits more greenhouse gas emissions than the entire transportation sector, and expansion in the use of cooling is projected to double these emissions in the next 30 years. However, comfortable buildings are critical for health and productivity, especially among communities that are vulnerable to the effects of climate change. Gradient’s vision is a future where everyone has access to comfortable buildings that are fully decarbonized. Our launch product is a direct-to-consumer high-efficiency and low-carbon heat pump.
ElectricFish
Grant in 2023
ElectricFish delivers containerized, battery-integrated energy storage and modular storage units paired with AI-enabled software to support ultra-fast EV charging at sites with constrained grid capacity. The system interconnects with existing electrical infrastructure, enabling rapid deployment, backup power during outages, and provision of grid services. It enhances local grid resiliency and demand management through bi-directional energy flow and software optimization, while reducing deployment costs and requiring minimal infrastructure upgrades. The company serves businesses and communities seeking fast charging, reliable power, and greater energy resilience without extensive grid investments.
Sonocharge Energy
Grant in 2023
Sonocharge Energy develops platform technology that enhances battery charging capabilities. This innovation targets diverse markets such as electric vehicles, e-mobility devices (electric bikes, scooters), aerospace, electric airplanes, and drones.
Yotta Energy
Grant in 2022
Yotta Energy Inc., founded in 2016 and based in Austin, Texas, specializes in the manufacture of innovative solar storage solutions. The company's flagship product, SolarLEAF, is a modular energy storage device that integrates with photovoltaic panels, designed to lower costs and enhance the resiliency of energy storage systems. By significantly reducing the soft costs associated with the design, installation, and maintenance of energy storage, SolarLEAF provides a more efficient alternative to traditional centralized systems. Additionally, Yotta Energy offers SolarPLEXUS, a gateway that optimizes the operation of SolarLEAF units and facilitates connectivity within the system. Their software platform further aggregates energy data to support utilities in managing grid operations and enables system owners to effectively manage their power and reduce expenses.
Enzinc is an innovative company developing advanced rechargeable zinc-air batteries. Utilizing proprietary nano-sponge technology, Enzinc's batteries offer high energy density akin to lithium-ion batteries but at a cost comparable to lead acid batteries, making them safer and more affordable.
CALSTART works with business, fleets, and government to develop and implement clean, efficient transportation solutions. They believe that economic and environmental improvement must go hand-in-hand.
They achieve this by focusing on four key activities that together provide the unique combination to support a growing industry.
Ubiquitous Energy
Grant in 2021
Ubiquitous Energy specializes in transparent photovoltaics, developing innovative solar technologies that generate electricity from glass surfaces. Its ClearView Power technology selectively captures ultraviolet and near-infrared light to power devices while remaining visually indistinguishable from standard windows. The company's solutions aim to extend battery life for mobile devices and IoT applications, and provide energy-efficient smart glass for buildings.
Salient Energy
Grant in 2021
Salient Energy is focused on commercializing an innovative zinc-ion battery developed from research at the University of Waterloo. This battery technology is designed for efficient electricity storage in the power grid, boasting a proprietary cathode that incorporates zinc within its crystal lattice, rather than merely reacting on the surface. This unique approach results in a battery with a relatively high energy density, making it a competitive alternative to traditional lithium-ion batteries. Salient Energy's batteries are not only safer and longer-lasting but also compatible with existing manufacturing processes, allowing for production in current battery factories worldwide. The company's goal is to provide the electric industry with sustainable and reliable energy storage solutions.
e-Zinc develops innovative electrochemical technology for energy storage using zinc metal. This low-cost, flexible solution enables long-duration energy storage, facilitating a transition to renewable energy and a zero-carbon future.
Zelos Energy
Grant in 2020
Zelos Energy specializes in the development of innovative green batteries aimed at addressing safety and environmental concerns while delivering high performance. The company utilizes patented rechargeable alkaline technology to create safe, economical, and sustainable battery solutions for both consumer and industrial applications. Zelos is focused on producing deep cycle storage batteries, lead-acid replacements, and low-cost cylindrical formats suited for various uses, including uninterruptible power supplies, energy storage systems for renewable sources, and military and marine applications. With an emphasis on non-toxic alkaline chemistry, Zelos's products mitigate the fire risk and supply chain challenges associated with conventional lead-acid and lithium-ion batteries. Based in Silicon Valley, the company boasts a team with over a century of combined scientific and entrepreneurial experience and has received significant funding for research and development to advance alternatives to lithium-ion technology. This organization is committed to supporting a greener energy future through innovative battery solutions.
Coreshell Technologies
Seed Round in 2020
Founded in 2017, Coreshell Technologies specializes in advanced materials engineering for lithium-ion batteries. The company focuses on enhancing battery performance and lifespan through its proprietary nanolayer thin-film coating technology, catering primarily to the electric vehicle and grid storage markets.
ReJoule specializes in extending the lifespan of batteries through its innovative diagnostic platform. By reducing testing time from hours to minutes, ReJoule enables repurposing of batteries for second-life applications, thereby minimizing waste and promoting a sustainable, circular economy.
BoxPower specializes in developing solar microgrid software and hardware, optimizing performance and accelerating deployment. They offer project development, system design, installation, monitoring, operations, and maintenance services for integrated solar, battery, and backup generator systems. BoxPower serves diverse clients, including disaster relief efforts, rural electrification projects, medical clinics, utilities, remote agriculture, and off-grid commercial sectors. As of now, they have offset over 40 million pounds of carbon dioxide and provided power to more than 5,000 individuals and businesses.
RePurpose Energy
Grant in 2020
RePurpose Energy is a company that specializes in developing sustainable energy storage systems utilizing recycled electric vehicle (EV) batteries. By repurposing battery waste, the company enhances the value of these batteries while promoting resilience and sustainability within battery supply chains. RePurpose Energy provides innovative hardware and software solutions that monitor and manage critical factors such as temperature, charge, and balance, thereby addressing the complexities associated with second-life energy storage. Through its efforts, the company supports the global transition to renewable energy by creating effective and eco-friendly energy storage options.
Enzinc is an innovative company developing advanced rechargeable zinc-air batteries. Utilizing proprietary nano-sponge technology, Enzinc's batteries offer high energy density akin to lithium-ion batteries but at a cost comparable to lead acid batteries, making them safer and more affordable.
DAE Technologies
Grant in 2019
DAE Technologies is a Davis-based energy storage company that specializes in developing and providing innovative battery solutions tailored for clean vehicles, smart grids, and Internet of Things (IoT) systems. The company offers a diverse array of products, including supercapacitors, batteries, and energy storage systems, alongside EV charging stations and smart grid technologies. By focusing on these advanced energy solutions, DAE Technologies aims to facilitate the transition to a smart and sustainable world through electrification.
RePurpose Energy
Grant in 2019
RePurpose Energy is a company that specializes in developing sustainable energy storage systems utilizing recycled electric vehicle (EV) batteries. By repurposing battery waste, the company enhances the value of these batteries while promoting resilience and sustainability within battery supply chains. RePurpose Energy provides innovative hardware and software solutions that monitor and manage critical factors such as temperature, charge, and balance, thereby addressing the complexities associated with second-life energy storage. Through its efforts, the company supports the global transition to renewable energy by creating effective and eco-friendly energy storage options.
Caban Systems
Grant in 2019
Caban Systems, founded in 2017 and based in San Mateo, California, specializes in the design and manufacture of modular lithium-ion energy storage systems tailored for the telecommunications industry. The company focuses on providing software-enabled solutions that enhance energy management for off-grid and weak-grid telecom sites. By utilizing intelligent lithium-ion battery packs, Caban Systems aims to prevent downtime and lower the total cost of ownership and maintenance for telecom towers. This approach not only helps clients save on energy expenses but also contributes to reduced emissions, making it a valuable partner for telecommunication companies and mobile network operators.
Primus Power
Grant in 2019
Founded in 2009, Primus Power designs and manufactures electrical energy storage systems. Its core product is EnergyPod, a flow battery system offering scalable capacity from 25kW to 25MW for stationary grid-scale applications. With a lifespan of up to 20 years, these safe and low-maintenance zinc-bromine batteries serve commercial, industrial, data center, microgrid, and utility customers worldwide.
Oberon Fuels
Grant in 2019
Oberon Fuels Inc. is a San Diego-based company that specializes in producing renewable dimethyl ether (DME) fuel, which serves as a low-carbon alternative to diesel. Founded in 2010, Oberon Fuels employs a proprietary small-scale, modular production process that utilizes various feedstocks, including biogas derived from organic wastes, natural gas, and stranded gas. These production units are capable of generating between 3,000 to 10,000 gallons of DME per day. The company's innovative approach allows it to convert methane to DME cost-effectively, offering stable pricing that is not tied to crude oil fluctuations. Oberon Fuels aims to develop regional fuel markets, particularly for the hydrogen fuel cell vehicle industry and heavy-duty trucking sector, while addressing emission concerns and providing a sustainable transportation solution. As the demand for cleaner fuels grows, Oberon Fuels is positioned to lead the commercialization of DME in North America, with plans to expand its production units in response to market needs.
Ubiquitous Energy
Grant in 2018
Ubiquitous Energy specializes in transparent photovoltaics, developing innovative solar technologies that generate electricity from glass surfaces. Its ClearView Power technology selectively captures ultraviolet and near-infrared light to power devices while remaining visually indistinguishable from standard windows. The company's solutions aim to extend battery life for mobile devices and IoT applications, and provide energy-efficient smart glass for buildings.
StratosFuel
Series B in 2018
StratosFuel is a company dedicated to the production and distribution of hydrogen fuel, focusing on enhancing the hydrogen and fuel cell sectors. It is developing hydrogen production facilities and fueling stations while also creating user-friendly interfaces for station access. StratosFuel aims to facilitate the transition of hydrogen fuel cell vehicles into the market by supplying renewable hydrogen to its own fueling stations and others. Additionally, the company provides a mobile application that enables users to rent hydrogen-electric vehicles on an hourly or daily basis. Through its comprehensive approach to hydrogen production, fueling, and shared mobility, StratosFuel seeks to establish hydrogen as a mainstream fuel source.
StratosFuel
Series A in 2017
StratosFuel is a company dedicated to the production and distribution of hydrogen fuel, focusing on enhancing the hydrogen and fuel cell sectors. It is developing hydrogen production facilities and fueling stations while also creating user-friendly interfaces for station access. StratosFuel aims to facilitate the transition of hydrogen fuel cell vehicles into the market by supplying renewable hydrogen to its own fueling stations and others. Additionally, the company provides a mobile application that enables users to rent hydrogen-electric vehicles on an hourly or daily basis. Through its comprehensive approach to hydrogen production, fueling, and shared mobility, StratosFuel seeks to establish hydrogen as a mainstream fuel source.
Primus Power
Series C in 2014
Founded in 2009, Primus Power designs and manufactures electrical energy storage systems. Its core product is EnergyPod, a flow battery system offering scalable capacity from 25kW to 25MW for stationary grid-scale applications. With a lifespan of up to 20 years, these safe and low-maintenance zinc-bromine batteries serve commercial, industrial, data center, microgrid, and utility customers worldwide.
Enzinc is an innovative company developing advanced rechargeable zinc-air batteries. Utilizing proprietary nano-sponge technology, Enzinc's batteries offer high energy density akin to lithium-ion batteries but at a cost comparable to lead acid batteries, making them safer and more affordable.
Tesla designs and manufactures electric vehicles and energy generation and storage systems, pursuing a vertically integrated approach to product and software development. It offers a full range of electric cars, including sedans and crossover models, and markets its vehicles through company-owned stores and its website. The company also produces and sells stationary energy storage batteries for residential, commercial, and utility use, and provides solar energy generation and solar storage products. It operates a fast-charging network and develops autonomous driving software. Headquartered in Palo Alto, California, Tesla serves international markets and aims to accelerate the transition to sustainable mobility through innovation across vehicles, energy, and software.
With a history in electric transportation that dates back to 1989, Electric Transportation Engineering Corporation (eTec), a wholly-owned subsidiary of ECOtality, works on research, development and testing of advanced transportation and energy systems. Specializing in alternative-fuel, hybrid and electric vehicles and infrastructures, eTec is committed to developing and commercially advancing clean electric technologies with clear market advantages.
eTec’s flagship product Minit-Charger™ - fast battery charging systems designed for electric vehicles, airport ground support equipment and material handling applications - allows for faster charging with less heat generation and longer battery life than conventional chargers.
Primus Power
Grant in 2005
Founded in 2009, Primus Power designs and manufactures electrical energy storage systems. Its core product is EnergyPod, a flow battery system offering scalable capacity from 25kW to 25MW for stationary grid-scale applications. With a lifespan of up to 20 years, these safe and low-maintenance zinc-bromine batteries serve commercial, industrial, data center, microgrid, and utility customers worldwide.
Pando Electric, headquartered in Silicon Valley, specializes in providing electric vehicle (EV) charging solutions for multifamily properties. The company offers a smart, scalable, and cost-effective Level 2 charging solution, with in-house designed hardware and adaptive load management technology. This allows for 10x scalability without upgrading panel capacity, making it a competitive option at just 10% the cost of market alternatives. Pando Electric's vision is to create sustainable, connected living spaces by integrating EV charging, energy management, and renewable energy sources, aiming to power commercial properties without straining the grid.