Aetherflux
Series A in 2025
Aetherflux is an aerospace company focused on providing renewable energy solutions to households, businesses, and military operations worldwide. The company has developed an innovative design for space-based solar power, which entails a constellation of small satellites that harness sunlight, convert it into electricity, and wirelessly transmit the power to ground stations. This technology aims to deliver reliable energy distribution while minimizing environmental impact, positioning Aetherflux at the forefront of the renewable energy sector.
HyperHeat
Pre Seed Round in 2024
HyperHeat develops advanced electric heating solutions capable of reaching temperatures up to 2000°C. Utilizing renewable electricity, HyperHeat provides an efficient alternative to fossil fuels for industries like steel, cement, and chemicals. With a high efficiency rate and scalability, the technology offers significant CO2 emission reductions.
RedoxBlox
Series A in 2024
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.
TS Conductor
Venture Round in 2024
TS Conductor specializes in advanced electrical transmission conductors. Utilizing a carbon-fiber-composite core instead of steel, their products are lighter, stronger, and more efficient, carrying higher current with reduced energy loss.
Fourth Power
Series A in 2023
Fourth Power specializes in utility-scale thermal battery storage solutions. It converts renewable energy into a reliable on-demand power source, addressing grid needs while facilitating the transition to decarbonized infrastructure.
Malta
Venture Round in 2023
Malta Inc. is a developer of innovative industrial-grade energy storage solutions based in Cambridge, Massachusetts. Founded in 2018, the company focuses on a unique electro-thermal energy storage system that captures energy from diverse sources including wind, solar, and fossil fuels. This system converts electrical energy into thermal energy and stores it in molten salt, allowing for energy to be held for extended periods. When demand arises, the stored thermal energy is reverted back into electrical energy and dispatched to the grid, ensuring a reliable supply of electricity. Malta's technology addresses challenges such as wind and solar curtailment and enhances the efficiency of electricity distribution and transmission, thus playing a pivotal role in delivering affordable and timely energy to the market. Incubated at X, the Moonshot Factory, the company is backed by prominent venture capital and commercial partners in the power industry.
CubicPV
Venture Round in 2023
CubicPV is a solar manufacturing company that focuses on producing wafers and tandem modules using advanced silicon and perovskite technologies. The company develops innovative semiconductor combinations for tandem modules, which enhance energy harvesting by utilizing two different light absorbers, thus improving efficiency across a broader spectrum of sunlight. This technology aims to reduce the cost of solar electricity to be competitive with conventional energy sources, such as coal. By manufacturing silicon wafers directly from the silicon melt, CubicPV streamlines the production process, eliminating several steps and effectively doubling the yield. This approach not only lowers the cost of clean electricity but also minimizes the carbon footprint associated with solar panel production, supporting the growing global demand for sustainable energy solutions.
Xcel Energy is a leading electric and natural gas utility company serving approximately 6 million customers across eight states. It generates power through diverse sources including coal, nuclear, natural gas, hydro, solar, wind, and biomass. The company is committed to reducing carbon emissions and aims to supply more than half of its electricity from renewable sources by 2030.
Turntide
Venture Round in 2022
Turntide is a company focused on creating sustainable technologies aimed at reducing energy consumption and operational expenses in various sectors, including buildings, agriculture, and electric transportation. Founded in 2013 and headquartered in Sunnyvale, California, Turntide has developed an innovative electric motor system that utilizes advanced switched reluctance technology. This system is managed by sophisticated cloud software and incorporates IoT connectivity for precise control. By targeting the significant energy waste attributed to traditional electric motors, Turntide aims to support the shift away from fossil fuels and promote a more sustainable future. The company's efforts are geared towards eliminating the 25% of global electricity consumption that is currently wasted, thereby accelerating the transition to 100% renewable energy.
Zap Energy
Series C in 2022
Zap Energy, Inc. is a Seattle-based company that specializes in the design and manufacture of sheared-flow stabilized Z-Pinch fusion reactors for power generation. Founded in 2017, the company focuses on developing compact and scalable fusion technology that offers low-carbon, cost-effective, and flexible energy solutions. Unlike conventional fusion methods, Zap Energy's approach utilizes electric current to create magnetic fields that confine and compress plasma, enhancing the stability and efficiency of the fusion process. This innovative technology aims to provide sustainable energy while requiring less capital investment compared to traditional fusion systems.
SparkMeter
Venture Round in 2022
SparkMeter develops smart electricity metering systems and grid management software for underserved markets. Its products include residential and commercial meters, along with software solutions that enhance grid efficiency, enable prepaid billing, and facilitate remote monitoring. Founded in 2012, SparkMeter operates from Washington D.C. and Nairobi, Kenya.
Antora Energy
Series A in 2022
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.
TS Conductor
Series A in 2021
TS Conductor specializes in advanced electrical transmission conductors. Utilizing a carbon-fiber-composite core instead of steel, their products are lighter, stronger, and more efficient, carrying higher current with reduced energy loss.
Natel Energy
Series B in 2021
Founded in 2005, Natel Energy designs, builds, and sells restoration hydro turbines for generating renewable electricity from moving water across drops. Its turbines can be installed in various settings, including retrofit of existing turbines, non-power dams, irrigation canals, and new stream reach developments. The company also offers digital services like HydroForecast, which uses satellite imagery and machine learning for hydrologic modeling and power generation forecasting.
Turntide
Convertible Note in 2021
Turntide is a company focused on creating sustainable technologies aimed at reducing energy consumption and operational expenses in various sectors, including buildings, agriculture, and electric transportation. Founded in 2013 and headquartered in Sunnyvale, California, Turntide has developed an innovative electric motor system that utilizes advanced switched reluctance technology. This system is managed by sophisticated cloud software and incorporates IoT connectivity for precise control. By targeting the significant energy waste attributed to traditional electric motors, Turntide aims to support the shift away from fossil fuels and promote a more sustainable future. The company's efforts are geared towards eliminating the 25% of global electricity consumption that is currently wasted, thereby accelerating the transition to 100% renewable energy.
CubicPV
Venture Round in 2021
CubicPV is a solar manufacturing company that focuses on producing wafers and tandem modules using advanced silicon and perovskite technologies. The company develops innovative semiconductor combinations for tandem modules, which enhance energy harvesting by utilizing two different light absorbers, thus improving efficiency across a broader spectrum of sunlight. This technology aims to reduce the cost of solar electricity to be competitive with conventional energy sources, such as coal. By manufacturing silicon wafers directly from the silicon melt, CubicPV streamlines the production process, eliminating several steps and effectively doubling the yield. This approach not only lowers the cost of clean electricity but also minimizes the carbon footprint associated with solar panel production, supporting the growing global demand for sustainable energy solutions.
Electric Hydrogen
Series A in 2021
Electric Hydrogen is a company focused on deep decarbonization by developing low-cost, high-efficiency systems for producing fossil-free hydrogen. The company targets industrial sectors such as ammonia and steel production, which contribute significantly to global greenhouse gas emissions. By rethinking electrolysis technology from scratch, Electric Hydrogen aims to make clean hydrogen competitive with traditional methods in terms of cost and scale. Their advanced PEM (Proton Exchange Membrane) technology uses renewable electricity to generate clean hydrogen gas, reducing industrial pollution and dependence on fossil fuels. The company's leadership team brings extensive experience from pioneering clean energy companies like Tesla and First Solar, positioning Electric Hydrogen as a strong contender in the quest for zero-emission industrial processes.
Ecocem Ireland
Venture Round in 2021
Ecocem Ireland is a cement manufacturing company that specializes in producing low-carbon cementitious products, specifically Ground Granulated Blast Furnace Slag (GGBS) and CEM III-A technology. Their eco-friendly cement is created using slag from steel furnaces through an advanced process that significantly reduces carbon emissions compared to traditional methods. This innovation allows concrete companies to decrease environmental pollutants while conserving electricity and natural resources. In addition to their manufacturing capabilities, Ecocem Ireland also offers architectural design services to their clients, who can reach the company through phone, email, and online applications.
Turntide
Venture Round in 2021
Turntide is a company focused on creating sustainable technologies aimed at reducing energy consumption and operational expenses in various sectors, including buildings, agriculture, and electric transportation. Founded in 2013 and headquartered in Sunnyvale, California, Turntide has developed an innovative electric motor system that utilizes advanced switched reluctance technology. This system is managed by sophisticated cloud software and incorporates IoT connectivity for precise control. By targeting the significant energy waste attributed to traditional electric motors, Turntide aims to support the shift away from fossil fuels and promote a more sustainable future. The company's efforts are geared towards eliminating the 25% of global electricity consumption that is currently wasted, thereby accelerating the transition to 100% renewable energy.
Malta Inc. is a developer of innovative industrial-grade energy storage solutions based in Cambridge, Massachusetts. Founded in 2018, the company focuses on a unique electro-thermal energy storage system that captures energy from diverse sources including wind, solar, and fossil fuels. This system converts electrical energy into thermal energy and stores it in molten salt, allowing for energy to be held for extended periods. When demand arises, the stored thermal energy is reverted back into electrical energy and dispatched to the grid, ensuring a reliable supply of electricity. Malta's technology addresses challenges such as wind and solar curtailment and enhances the efficiency of electricity distribution and transmission, thus playing a pivotal role in delivering affordable and timely energy to the market. Incubated at X, the Moonshot Factory, the company is backed by prominent venture capital and commercial partners in the power industry.
Blip Energy develops smart battery systems designed to mitigate peak demand on the power grid. Their plug-and-play hardware optimizes energy costs for users while reducing operational expenses for utilities, with no permitting or installation barriers.
Form Energy
Series C in 2020
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.
SparkMeter
Series A in 2020
SparkMeter develops smart electricity metering systems and grid management software for underserved markets. Its products include residential and commercial meters, along with software solutions that enhance grid efficiency, enable prepaid billing, and facilitate remote monitoring. Founded in 2012, SparkMeter operates from Washington D.C. and Nairobi, Kenya.
Quidnet Energy
Series B in 2020
Founded in 2013, Quidnet Energy develops grid-scale energy storage systems using a unique hydroelectric technology. The company stores excess renewable energy by pumping water under pressure into underground geological reservoirs and releases it to drive hydroelectric turbines when needed. This process enables seamless integration with existing electricity-generating facilities at a lower cost than lithium-ion batteries.
Natel Energy
Venture Round in 2020
Founded in 2005, Natel Energy designs, builds, and sells restoration hydro turbines for generating renewable electricity from moving water across drops. Its turbines can be installed in various settings, including retrofit of existing turbines, non-power dams, irrigation canals, and new stream reach developments. The company also offers digital services like HydroForecast, which uses satellite imagery and machine learning for hydrologic modeling and power generation forecasting.
Form Energy
Series B in 2019
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.
Malta Inc. is a developer of innovative industrial-grade energy storage solutions based in Cambridge, Massachusetts. Founded in 2018, the company focuses on a unique electro-thermal energy storage system that captures energy from diverse sources including wind, solar, and fossil fuels. This system converts electrical energy into thermal energy and stores it in molten salt, allowing for energy to be held for extended periods. When demand arises, the stored thermal energy is reverted back into electrical energy and dispatched to the grid, ensuring a reliable supply of electricity. Malta's technology addresses challenges such as wind and solar curtailment and enhances the efficiency of electricity distribution and transmission, thus playing a pivotal role in delivering affordable and timely energy to the market. Incubated at X, the Moonshot Factory, the company is backed by prominent venture capital and commercial partners in the power industry.