Sarah Kearney

Founder and Executive Director

20 past transactions

Noon Energy

Seed Round in 2021
Noon Energy develops a flow battery technology that enables economical long-duration energy storage. The company's design will allow intermittent renewable electricity sources, such as solar and wind, to meet continual demand. Noon Energy was founded in 2018 and based in Palo Alto, California.

Sublime Systems

Seed Round in 2021
Sublime Systems creates a system for decarbonizing cement that simultaneously produces green hydrogen and reduces cement emissions. Their technology enables consumers to contribute to the shared objective of a sustainable, renewable future by using clean, renewable energy and an electrochemical method that eliminates CO2 emissions without affecting the characteristics or chemistry of the cement.

Via Separations

Grant in 2020
Via Separations is enabling industrial decarbonization with its novel chemistries that allow manufacturing facilities to slash their energy consumption while making more product. Targeting the 12% of US energy consumption that is wasted each year separating chemicals, Via reduces the load of the process by 90%, electrifies the most energy-intensive step in chemical production, and generates additional revenue for the customer. Today, Via is deploying its technology in pilot trials at pulp & paper facilities to eliminate 100 million metric tons of CO2 by 2050. Via’s innovation is a highly selective and robust membrane filter that replaces the energy-inefficient heat-based separations in industrial processes. Spun out of MIT’s Department of Material Science & Engineering, Via has scaled up the technology by more than 10 million times and demonstrated working prototypes at a commercial scale.

Clean Crop Technologies

Seed Round in 2020
Clean Crop Technologies ("Clean Crop") is a Holyoke, Massachusetts-based company that uses electricity to fight food waste and food safety risk. Clean Crop's proprietary 'Clean Current' technology combines electricity and food-grade gas to remove contaminants from seeds and foods to increase crop yields, reduce food waste, and increase food safety.

Verdox

Seed Round in 2020
Verdox is dedicated to reversing climate change through the development and deployment of advanced technology. The company’s proprietary electro-swing process, developed at MIT, enables carbon dioxide and other acid gases to be captured with up to 80% less energy and 70% less cost than conventional approaches.

Gradient

Venture Round in 2019
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.

Twelve

Seed Round in 2019
Twelve is a carbon transformation company converting captured carbon dioxide into valuable chemicals, fuels, and other essential products. Their technology eliminates emissions by turning CO2 into essential products that are made from fossil fuels. They specialize in the fields of CO2 electrocatalysis and electrochemical reactor design.
Leading Edge Crystal Technologies is a developer of kerfless, single crystal silicon wafers intended to be used in solar panels with higher efficiency and lower cost that fit into existing module manufacturing processes without any changes.

MicroByre

Seed Round in 2019
MicroByre is a platform for bacterial domestication. Their automated characterization pipeline gathers the oft-overlooked data that highlights unleveraged bacteria that meet functional industrial criteria. That is, they rapidly find the bacteria with naturally unfussy eating habits and evolution-honed metabolisms that have the potential to convert unrefined biomasses into commodity chemicals at vastly improved efficiencies compared to extant fermentation processes. They select from these functionally de-risked bacteria those which can be directly genetically modified to improve their cost profiles — even if they have never been engineered before. The data from our unique characterization pipeline informs the minimally precise genetic modifications necessary to increase pliability and yield, eliminate nutritional additives, maximize feedstock utilization, and improve contamination tolerance & phage resistance. MicroByre gives biomass conversion a truly competitive edge against petrochemical synthesis. MicroByre’s platform bridges the gap between the promising and the profitable in synthetic biology and bioengineering. A unique combination of resources and skills makes MicroByre a valuable potential partner for companies of all sizes and industries. They collaborate to define project scope to match a mutually agreeable business model, which could be a fee for service, license agreement, or joint development agreement.

C-Motive Technologies

Venture Round in 2019
C-Motive Technologies is a venture-backed cleantech startup creating sustainable motor technology. Its machine functions using static electricity, removing the need for rare earth materials and limiting copper use to a bare minimum. C-Motive’s electrostatic motor technology delivers the torque density for stationary industrial and e-mobility applications, all while reducing carbon emissions.

Charm Industrial

Seed Round in 2019
Charm Industrial has developed a novel pathway for carbon sequestration: putting oil back underground in the form of bio-oil. The process converts agricultural residue to bio-oil, then injects the bio-oil into deep geological formations for permanent storage.

Lilac Solutions

Grant in 2018
Lilac Solutions is a developer of lithium extraction technology that absorbs lithium from brine deposits. The company's technology is based on ion-exchange theory, which allows lithium producers to accelerate project development, increase lithium recovery, and streamline operations while reducing costs and environmental impact.

Mallinda LLC

Seed Round in 2018
The name "Mallinda" is a mashup of the words "malleable" and "industries". Mallinda is a developer and material supplier of Pliashell, a new platform technology of intrinsically recyclable and malleable self-healing polymers for the rapidly growing advanced composites industry. Pliashell is a new class of malleable thermoset polymers that enables the manufacture of lightweight, strong, remoldable, and recyclable composite materials. Pliashell advanced fiber reinforced composites have demonstrated ability to be molded at relatively low temperatures. The absence of a curing step drastically reduces manufacturing cycle times. This technology is revolutionizing product development in a variety of market segments

Anfiro

Seed Round in 2017
Anfiro is a water technology start-up addressing global freshwater scarcity. They are using their self-assembling polymers to create chlorine resistant and high permeability reverse osmosis (RO) membranes that vastly outperform current membrane technology. This enables us to significantly reduce the cost of desalinating and purifying water, enabling clean and affordable water for a better tomorrow

Rebound Technologies

Seed Round in 2017
Rebound Technology is rethinking refrigeration through tailored, thermally-driven heat pump architectures that provide efficient, practical, and cost-effective global solutions. Its tailored development approach enables dramatic improvement over the one-size-fits-all, state-of-the-art by utilizing renewable resources, waste heat capture, energy storage, and simple, low-cost construction. Rebound is currently developing two unique and potentially transformative technologies. IcePoint is a refrigeration cycle with embedded thermal energy storage, designed to save supermarkets 60% on their low-temperature cooling costs. SunChill is an ultra-low-temperature thermal cycle, designed for developing world agricultural applications, to convert 50C solar thermal energy into 10C refrigeration using locally sourced materials. Each technology represents a departure from the one-size-fits-all energy approach of the 20th century and instead focuses on tailored technologies that solve smaller problems better. This path reduces the cost of renewable/efficient systems by at an order of magnitude while at the same time growing self-sustaining businesses that create jobs without reliance on government incentives. It is currently funded by US Federal Government research grants.

ConnectDER

Series A in 2017
ConnectDER is a solar technology company developing meter collars to connect distributed energy resources to the home and the grid. The company specializes in resilient home energy technology and improves distributed energy resources (DERs) by turning an electricity meter socket into an interconnection point for solar, battery storage, electric vehicle charging, directly benefiting the user, the grid, and the environment.

ConnectDER

Seed Round in 2017
ConnectDER is a solar technology company developing meter collars to connect distributed energy resources to the home and the grid. The company specializes in resilient home energy technology and improves distributed energy resources (DERs) by turning an electricity meter socket into an interconnection point for solar, battery storage, electric vehicle charging, directly benefiting the user, the grid, and the environment.

Wright Electric

Seed Round in 2016
Wright Electric's unique propulsion technology and forthcoming airplanes eliminate emissions without the need for offsets, lowering the cost of zero-emissions flight to the same level as running a fossil-fueled fleet and ushering in the next age of aviation through the electrification of the aerospace sector.

REDWAVE ENERGY

Series B in 2016
RedWave Energy, Inc. is a venture capital financed cleantech firm founded in January 2011. RedWave is currently in the first phase of developing unique technology to generate renewable energy from the previously untapped infrared (IR) and near IR spectrum. Initial development is focused on energy capture from relatively low quality waste heat. Subsequent phases of development will lead to harvesting electricity in the visible range. Initial phases of development at the THz range will also enable powerful explosive detection and high speed communications capabilities. This development is made possible by exclusively licensed nano antenna technology from Idaho National Labs and associated high speed diode technology from the University of Colorado. MicroContinuum, a sophisticated technology development company has been retained to enable the fabrication of nano scale antennas and terahertz electronics for energy capture and THz wave detection.

Quidnet Energy

Grant in 2015
Quidnet Energy is a technology-driven energy company that powers the carbon-free electric grid. Its technology is a form of hydroelectric energy storage using time-tested well-drilling and construction technologies to pump water under pressure into subsurface geological reservoirs to store energy. When variable renewable energy is not available, this water is released to drive hydroelectric turbines to power the electric grid. The company was founded in 2013 and is based in Houston with offices in San Francisco and Saratoga Springs, New York.
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