Elemental Impact

Founded in 2009, Elemental Impact is a consulting organization dedicated to promoting sustainability and environmental stewardship within businesses. It focuses on initiatives that encourage waste reduction, recycling, and efficient resource use across industries. The company supports businesses in implementing sustainable practices to enhance operational efficiency and environmental responsibility.

Mike Curtis

Managing Director, Finance

Danya Hakeem

Managing Director, Portfolio

Danielle Harris

Managing Director, Engagement and Innovation

Kimberly Morris

Senior Director of Innovation

Mitch Rubin

Director of Innovation

Joshua Stanbro

Deputy Director, Policy Lab

Past deals in Renewables

Capture6

Series A in 2025
Capture6 develops innovative carbon dioxide removal technologies. It repurposes existing industrial-scale methods to create highly scalable solutions for atmospheric carbon capture.

Nitricity

Venture Round in 2025
Nitricity is an energy company focused on renewable nitrogen fertilizer production with zero carbon emissions. It develops electrified, climate-smart fertilizer products and manufactures nitric acid and ammonia, which can be used separately or combined to produce ammonium nitrate fertilizer. The approach aims to bring products closer to farmers, enable timely application, reduce runoff, and maximize nitrogen delivery on a global scale.

Origen

Series A in 2025
Origen Carbon Solutions specializes in scalable limestone-based technology for direct air capture, aimed at permanently reducing atmospheric CO2 levels. The company focuses on carbon removal and industrial applications, utilizing the properties of limestone to sequester carbon dioxide effectively. By breaking down limestone into lime and high-purity CO2, Origen provides an economically viable solution for industries seeking to mitigate their carbon footprint. Through collaboration with various stakeholders, the company works towards restoring the atmosphere and addressing the impacts of climate change.

MetOx Technologies

Convertible Note in 2024
MetOx specializes in manufacturing high-temperature superconducting (HTS) wire using YBCO. Its primary product enables efficient electricity transmission with minimal loss and heat generation, serving critical applications such as upgrading power lines, fusion reactors, and advanced MRI scanners.

Seabound

Convertible Note in 2024
Seabound is a developer of innovative carbon capture systems aimed at reducing CO2 emissions from cargo ships. The company's technology integrates seamlessly with existing vessels, equipping them with an onboard device that captures emissions from exhaust and converts carbon dioxide into a solid form. This solidified carbon can be stored for future utilization or sequestration, significantly mitigating greenhouse gas emissions and pollution associated with maritime transport. Additionally, Seabound's carbon capture method enables the processing of carbon dioxide on land, producing limestone that can be sold directly or transformed into calcium oxide for secondary recycling. Through its advancements, Seabound contributes to the sustainability of shipping operations and supports efforts to combat climate change.

Noon Energy

Convertible Note in 2024
Noon Energy is a Palo Alto, California-based company founded in 2018 that focuses on developing innovative flow battery technology for economical long-duration energy storage. This technology is designed to convert intermittent renewable electricity, such as solar and wind energy, into on-demand power, allowing for a more reliable energy supply. Noon Energy's rechargeable batteries utilize low-cost storage media that decouples energy and power capacity, providing long-duration storage while eliminating the need for mining precious metals. By enabling customers to scale up the use of renewable electricity, Noon Energy aims to reduce reliance on fossil fuels, as well as decrease pollution and emissions associated with energy production.

Klim

Convertible Note in 2024
Klim enables farmers to transition to regenerative agriculture at scale by providing them financial support, knowledge, documentation tools, and a community via our digital companion for farmers. Klim-verified carbon removal credits, generated by Klim farmers, help companies to transition to net zero by offsetting their carbon emissions locally and with maximum impact and transparency.

Found Energy

Convertible Note in 2024
Found Energy develops aluminum-based fuel that converts aluminum scrap and waste into a carbon-free energy carrier. It recovers aluminum waste from landfills and, through a carbon-free process, produces hydrogen on demand at under $0.50 per kilogram, with hydrogen having five times the volumetric energy density of liquid hydrogen. The aluminum fuel is designed to supply carbon-free thermal power to heavy industries, offering competitiveness with fossil fuels in price and energy density and enabling a faster transition to renewable energy.

Applied Carbon

Series A in 2024
Applied Carbon is a company focused on developing innovative mobile pyrolysis systems that produce biochar and sequester carbon on a large scale. Their technology targets degraded or blighted lands in urban and peri-urban areas, efficiently converting on-site biomass waste into biochar, a sustainable form of charcoal derived from agricultural waste. This process not only facilitates organic waste disposal but also enhances soil health by improving nutrient and water retention and aiding in the remediation of contaminants. By trapping atmospheric carbon, Applied Carbon aims to contribute to environmental sustainability and soil regeneration while addressing the challenges posed by climate change.

Dimensional Energy

Series A in 2023
Dimensional Energy is a chemistry company specializing in artificial photosynthesis. It aims to produce eco-friendly polymers and chemical intermediaries by efficiently harnessing sunlight using scalable reactors and innovative catalysts.

Kelvin

Convertible Note in 2023
Kelvin is an energy management and electrification platform focused on enhancing radiator-heated buildings. The company utilizes its innovative Radiator Labs system, which features smart thermostatic radiator enclosures that are connected to central heating controls. This technology aims to reduce fuel waste, lower building emissions, and improve tenant comfort. Kelvin's hybrid electrification platform allows buildings to electrify 60-80% of their space heating requirements at a fraction of the cost of traditional electrification methods. The system can be programmed to optimize heating sources based on factors such as energy pricing and carbon fines, helping radiator-heated buildings comply with NYC's 2030 emission caps at reduced costs. The effectiveness of Radiator Labs' technology has been validated by NYSERDA, demonstrating an average savings of 25.5% in heating costs. Kelvin's innovations have garnered multiple awards and recognitions, affirming its commitment to sustainable energy solutions in the built environment.

Capture6

Convertible Note in 2023
Capture6 develops innovative carbon dioxide removal technologies. It repurposes existing industrial-scale methods to create highly scalable solutions for atmospheric carbon capture.

Yard Stick

Convertible Note in 2023
Yard Stick develops a handheld device that measures soil carbon levels in real-time. This enables evidence-based regenerative farming practices, improving soil health, increasing farmer income, and combating climate change by sequestering carbon.

SunFi

Convertible Note in 2023
Developer of an energy financial technology platform designed to provide information on payment plans for solar installations. The company's platform helps to provide personalized payment plans, installation support, after-sale service, and a wide range of repayment plans along with a tracker for schedules and invoice downloads, enabling users to access payment structures that match their needs.

Allume Energy

Convertible Note in 2023
Allume Energy is a renewable technology company specializing in unlocking rooftop solar potential for multifamily housing and apartments. Its flagship product, SolShare, enables one rooftop solar installation to be shared among multiple residents within the same building, maximizing benefits and reducing grid exports.

Energy Dome

Series B in 2023
Energy Dome develops a low-cost, efficient system for long-duration electricity storage using liquid CO2. Its focus is on enabling dispatchable renewable energy production to facilitate the decarbonization of the energy industry and promote sustainability.

Banyan Infrastructure

Series B in 2023
Banyan Infrastructure offers a project finance software platform that simplifies, accelerates, and optimizes sustainable infrastructure financing across the deal lifecycle. The platform automates origination, portfolio management, and compliance for sustainable assets, replacing spreadsheets and email with digitized loans and workflows, automating data aggregation and regulatory tracking. It enables financial institutions to scale investments in clean energy and infrastructure while reducing transaction friction and costs, improving deal velocity and operational efficiency. By streamlining origination and securitization of renewable energy loans and investments, the solution supports higher volume, lower cost, and better governance in sustainable infrastructure finance.

Forum Mobility

Series A in 2023
Forum Mobility provides zero-emission heavy-duty trucking solutions through charging depots and a network of convenient, secure locations near ports and major drayage routes. It offers overnight and daytime charging, cost-competitive purchase and lease options for electric heavy-duty trucks, and access to this network, enabling fleets, owner-operators, and small businesses to reduce fuel and operating costs, meet emission regulations, and free up space at facilities as they switch to electric power.

Banyan Infrastructure

Venture Round in 2022
Banyan Infrastructure offers a project finance software platform that simplifies, accelerates, and optimizes sustainable infrastructure financing across the deal lifecycle. The platform automates origination, portfolio management, and compliance for sustainable assets, replacing spreadsheets and email with digitized loans and workflows, automating data aggregation and regulatory tracking. It enables financial institutions to scale investments in clean energy and infrastructure while reducing transaction friction and costs, improving deal velocity and operational efficiency. By streamlining origination and securitization of renewable energy loans and investments, the solution supports higher volume, lower cost, and better governance in sustainable infrastructure finance.

Nitricity

Venture Round in 2022
Nitricity is an energy company focused on renewable nitrogen fertilizer production with zero carbon emissions. It develops electrified, climate-smart fertilizer products and manufactures nitric acid and ammonia, which can be used separately or combined to produce ammonium nitrate fertilizer. The approach aims to bring products closer to farmers, enable timely application, reduce runoff, and maximize nitrogen delivery on a global scale.

Transaera

Venture Round in 2022
Transaera is a company focused on developing advanced air conditioning solutions that prioritize energy efficiency and environmental sustainability. By utilizing a novel desiccant material, Transaera's cooling systems effectively remove moisture from the air prior to the cooling process, significantly reducing energy consumption and greenhouse gas emissions. These innovative systems are designed for both residential and commercial applications, providing affordable and environmentally friendly cooling options that enhance indoor comfort while minimizing the impact on global climate and local grid infrastructure. Through its technology, Transaera aims to improve productivity and comfort in indoor environments while contributing to a more sustainable future.

Energy Dome

Venture Round in 2022
Energy Dome develops a low-cost, efficient system for long-duration electricity storage using liquid CO2. Its focus is on enabling dispatchable renewable energy production to facilitate the decarbonization of the energy industry and promote sustainability.

Forum Mobility

Venture Round in 2022
Forum Mobility provides zero-emission heavy-duty trucking solutions through charging depots and a network of convenient, secure locations near ports and major drayage routes. It offers overnight and daytime charging, cost-competitive purchase and lease options for electric heavy-duty trucks, and access to this network, enabling fleets, owner-operators, and small businesses to reduce fuel and operating costs, meet emission regulations, and free up space at facilities as they switch to electric power.

Vesta

Venture Round in 2022
Project Vesta is a non-profit working to galvanize the science of coastal enhanced weathering through accelerating one of the earth's natural processes of carbon sequestration, the carbonate–silicate cycle. This works by spreading olivine sand in coastal areas, where it removes CO2 from the atmosphere. Project Vesta is bringing 30 years of science to be tested in the real world - harnessing the power of the ocean to permanently sequester carbon - at under $20 per ton at scale.

Fervo Energy

Series C in 2022
Founded in 2017, Fervo Energy specializes in developing and operating geothermal assets using proprietary technology. Based in San Francisco, the company generates clean power through innovative geoscience methods, aiming to provide a dispatchable foundation for a 100% clean energy future.

OhmConnect

Series D in 2022
OhmConnect is a software-based energy demand management company that encourages residential and commercial users to reduce electricity consumption during peak pricing periods. It notifies users when electricity prices rise, tracks energy usage, and offers monetary rewards or prizes for participating in energy-saving actions. The company also markets wireless smart plugs for remote shutoff of appliances such as refrigerators and window air conditioners, enabling automated demand response.

Planet FWD

Series A in 2022
Planet FWD produces climate-friendly snacks sourced from regenerative farming practices that capture carbon from the atmosphere. It operates a platform connecting brands and consumers seeking sustainable products.

Nth Cycle

Venture Round in 2021
Nth Cycle is a company specializing in metal processing technology. It collaborates with battery recyclers and miners to recover critical minerals from electronic waste and low-grade mine tailings using its proprietary electro-extraction method, offering an alternative to traditional hydrometallurgy and pyrometallurgy processes.

SHYFT Power Solutions

Venture Round in 2021
SHYFT Power Solutions develops an integrated hardware and software platform to monitor, manage, and control distributed energy resources from mobile and cloud interfaces. Its core offering, the SHYFT system, combines a hybrid smart meter and transfer switch to enable IoT-driven energy management that automatically transitions between the grid and backup sources. The company provides software that allows users to monitor, meter, and control power sources across sites, supporting residential, commercial, and industrial deployments. SHYFT focuses on industrial IoT and the orchestration of distributed energy resources to improve energy efficiency, resilience, and cost savings, with initiatives to expand decentralized power systems in markets with unreliable infrastructure.

Dimensional Energy

Venture Round in 2021
Dimensional Energy is a chemistry company specializing in artificial photosynthesis. It aims to produce eco-friendly polymers and chemical intermediaries by efficiently harnessing sunlight using scalable reactors and innovative catalysts.

WeaveGrid

Venture Round in 2021
WeaveGrid is a technology company focused on facilitating the integration of electric vehicles (EV) with the power grid. By employing machine learning, optimization, and predictive analytics, WeaveGrid's software addresses the challenges associated with EV-grid integration for utility companies. This innovative solution not only enhances the incorporation of renewable energy resources but also aims to reduce costs for utility customers. The company's efforts support the broader goals of decarbonization in the transportation and power sectors, enabling utilities to safely and economically adapt to the growing demand for electric vehicles.

Fervo Energy

Series B in 2021
Founded in 2017, Fervo Energy specializes in developing and operating geothermal assets using proprietary technology. Based in San Francisco, the company generates clean power through innovative geoscience methods, aiming to provide a dispatchable foundation for a 100% clean energy future.

BlocPower

Series A in 2021
BlocPower designs and implements energy efficiency and electrification upgrades for urban buildings, including schools, churches, small businesses, non-profits, and homes. Through proprietary software, machine learning, and IoT-enabled monitoring, it analyzes facilities to identify cost-effective retrofits, combines financing and project management, and delivers scalable deployment that reduces energy waste and utility bills while enhancing indoor air quality and comfort.

OhmConnect

Series C in 2020
OhmConnect is a software-based energy demand management company that encourages residential and commercial users to reduce electricity consumption during peak pricing periods. It notifies users when electricity prices rise, tracks energy usage, and offers monetary rewards or prizes for participating in energy-saving actions. The company also markets wireless smart plugs for remote shutoff of appliances such as refrigerators and window air conditioners, enabling automated demand response.

ChargerHelp!

Seed Round in 2020
ChargerHelp! provides an app-based dispatch and deployment platform that delivers on-demand repairs and maintenance for electric vehicle charging stations through trained local technicians. By coordinating field work at scale, it aims to address downtime across charging networks, improving efficiency, turnaround times, and network availability while reducing operating costs. The platform supports EV charging network operators in meeting service level requirements and winning new contracts as the fleet of charging stations expands. It connects manufacturers, network providers, and charge station resellers with maintenance service providers, enabling workforce realignment and development within the green economy.

Made of Air

Venture Round in 2020
Made of Air is a pioneering materials company that transforms low-value wood waste into high-value, carbon-negative thermoplastics. These innovative materials can be formed using traditional methods and are designed for various applications, turning manufactured goods into engineered carbon sinks to actively reverse climate change.

Mast Reforestation

Venture Round in 2020
Mast Reforestation specializes in restoring forests damaged by wildfires. It offers a comprehensive suite of services, including seed collection, cultivation, planting, monitoring, and financing through carbon removal credits. By removing financial barriers, Mast enables landowners to reforest their lands at no cost, contributing significantly to climate change mitigation.

Uncharted

Venture Round in 2020
Uncharted Play Inc. is a New York-based company founded in 2011 that focuses on developing innovative energy-generating products. The company specializes in consumer-oriented solutions that harness kinetic energy, offering products such as an energy-harnessing soccer ball and a portable battery charging jump rope. Additionally, Uncharted Play provides educational packs and accessories, aiming to enhance energy access through its technology, which is designed for motion-based and off-grid renewable energy applications. The company sells its products online and is committed to democratizing energy access worldwide through its proprietary technology. With a team experienced in product development from leading firms, Uncharted Play is positioned to make significant contributions to the field of renewable energy.

BlocPower

Venture Round in 2020
BlocPower designs and implements energy efficiency and electrification upgrades for urban buildings, including schools, churches, small businesses, non-profits, and homes. Through proprietary software, machine learning, and IoT-enabled monitoring, it analyzes facilities to identify cost-effective retrofits, combines financing and project management, and delivers scalable deployment that reduces energy waste and utility bills while enhancing indoor air quality and comfort.

RatedPower

Non Equity Assistance in 2020
RatedPower is a company that specializes in developing software solutions for the renewable energy sector, particularly focusing on photovoltaic (PV) plants. Its flagship product, pvDesign, is a design analytical platform that automates and optimizes the study, analysis, design, and engineering of utility-scale solar projects. This innovative software streamlines the feasibility analysis and engineering processes, employing digital technologies and heuristic calculations to enhance efficiency. By significantly speeding up the design and engineering stages, RatedPower's platform enables stakeholders in the renewable energy industry to reduce construction costs and improve accuracy in project planning and execution.

ChargerHelp!

Non Equity Assistance in 2020
ChargerHelp! provides an app-based dispatch and deployment platform that delivers on-demand repairs and maintenance for electric vehicle charging stations through trained local technicians. By coordinating field work at scale, it aims to address downtime across charging networks, improving efficiency, turnaround times, and network availability while reducing operating costs. The platform supports EV charging network operators in meeting service level requirements and winning new contracts as the fleet of charging stations expands. It connects manufacturers, network providers, and charge station resellers with maintenance service providers, enabling workforce realignment and development within the green economy.

Planet FWD

Non Equity Assistance in 2020
Planet FWD produces climate-friendly snacks sourced from regenerative farming practices that capture carbon from the atmosphere. It operates a platform connecting brands and consumers seeking sustainable products.

Made of Air

Non Equity Assistance in 2020
Made of Air is a pioneering materials company that transforms low-value wood waste into high-value, carbon-negative thermoplastics. These innovative materials can be formed using traditional methods and are designed for various applications, turning manufactured goods into engineered carbon sinks to actively reverse climate change.

Mast Reforestation

Non Equity Assistance in 2020
Mast Reforestation specializes in restoring forests damaged by wildfires. It offers a comprehensive suite of services, including seed collection, cultivation, planting, monitoring, and financing through carbon removal credits. By removing financial barriers, Mast enables landowners to reforest their lands at no cost, contributing significantly to climate change mitigation.

Uncharted

Non Equity Assistance in 2020
Uncharted Play Inc. is a New York-based company founded in 2011 that focuses on developing innovative energy-generating products. The company specializes in consumer-oriented solutions that harness kinetic energy, offering products such as an energy-harnessing soccer ball and a portable battery charging jump rope. Additionally, Uncharted Play provides educational packs and accessories, aiming to enhance energy access through its technology, which is designed for motion-based and off-grid renewable energy applications. The company sells its products online and is committed to democratizing energy access worldwide through its proprietary technology. With a team experienced in product development from leading firms, Uncharted Play is positioned to make significant contributions to the field of renewable energy.

Leap

Series A in 2020
Leap is a marketplace for Distributed Energy Resources to participate in the energy market. It allows every connected device to help balance the grid, and get paid for it and access wholesale markets through a single API and help build the flexible, renewable grid of the future. Leap aims to make global energy markets accessible to anyone, starting with demand response and expanding into generation and ancillary services. Leap was founded by Thomas Folker and Remco Van Den Elzen.

Span

Venture Round in 2019
Span develops intelligent hardware and software solutions that transform traditional electrical panels into modern smart hubs. Their AI-powered system enables homeowners to optimize energy usage, reduce bills, and future-proof their homes for growing energy demands.

Blue Ocean Barns

Grant in 2019
Blue Ocean Barns is a United States-based company that sources, processes, and markets seaweed as a cattle feed additive aimed at reducing methane emissions in dairy and beef production. By integrating this innovative approach, the company contributes to the creation of sustainable natural ecosystems while providing consumers with climate-friendly dairy and beef products. Through its efforts, Blue Ocean Barns seeks to address environmental concerns associated with traditional cattle farming and promote more sustainable agricultural practices.

Ampaire

Venture Round in 2019
Founded in 2016, Ampaire is a pioneering aerospace company based in Los Angeles, California. It specializes in designing and developing electric-powered commercial aircraft, focusing on innovations in energy storage, propulsion, and aircraft architecture to make flying cleaner, quieter, safer, more reliable, affordable, and accessible.

Amply Power

Venture Round in 2019
Amply Power, Inc. specializes in charging-as-a-service solutions for electric vehicle fleets, facilitating the transition from traditional to electric vehicles for municipal and commercial operations. Founded in 2018 and based in Mountain View, California, the company offers a fully managed charging system that automates all aspects of EV charging, providing a per-electric-mile-driven service to fleet customers. Amply Power also features AMPLIFY, a centralized charge management software that enhances fleet operations by ensuring vehicles are always road-ready while integrating EV chargers, fleets, grid, and vehicle telematics. This approach supports fleet managers in achieving their zero-emission goals as they scale from pilot projects to full production.

RatedPower

Venture Round in 2019
RatedPower is a company that specializes in developing software solutions for the renewable energy sector, particularly focusing on photovoltaic (PV) plants. Its flagship product, pvDesign, is a design analytical platform that automates and optimizes the study, analysis, design, and engineering of utility-scale solar projects. This innovative software streamlines the feasibility analysis and engineering processes, employing digital technologies and heuristic calculations to enhance efficiency. By significantly speeding up the design and engineering stages, RatedPower's platform enables stakeholders in the renewable energy industry to reduce construction costs and improve accuracy in project planning and execution.

Proterra

Venture Round in 2019
Proterra Inc. is a manufacturer of zero-emission electric buses, primarily focused on providing sustainable transportation solutions for public and commercial transit. Founded in 2004 and headquartered in Burlingame, California, with additional offices in Greenville, South Carolina, and City of Industry, California, Proterra designs its products, including 35-foot and 40-foot electric buses, to meet the diverse needs of urban and regional transit routes. The company's Catalyst platform is noted for its modularity, allowing it to adapt to various operational demands while delivering high energy efficiency. Proterra also offers a broad range of services, including vehicle electrification solutions, fleet planning, charging infrastructure, and comprehensive vehicle maintenance programs. By facilitating the transition away from fossil fuels, Proterra aims to enhance environmental quality and reduce operational costs for fleet operators, contributing to significant reductions in greenhouse gas emissions.

Blue Planet Energy Systems

Seed Round in 2019
Blue Planet Energy Systems, founded in 2015, specializes in developing pre-packaged energy storage systems designed for residential and commercial solar photovoltaic installations. Headquartered in Honolulu, Hawaii, the company aims to transition from traditional electrical grids to a distributed model that enables customers to achieve energy independence and promote renewable energy adoption. Their flagship product, Blue Ion, integrates advanced battery technology with sophisticated software controls to create smart, flexible microgrids. These systems are known for their safety features, including no fire risk, and extended lifespan. The company has gained significant traction in off-grid and grid-edge markets across North America, notably completing a large energy resilience project for the American Red Cross in Puerto Rico.

Full Cycle Bioplastics

Venture Round in 2018
Full Cycle Bioplastics LLC, established in 2014 and headquartered in Richmond, California, specializes in manufacturing biodegradable plastics. The company's core business involves recycling organic waste sourced from various entities such as waste haulers, compost facilities, farmers, food processors, bio-refinery operators, and plastic compounders. Full Cycle Bioplastics employs natural processes to convert mixed feedstocks into tailored product types, including polyhydroxyalkanoates (PHA) and oil-based plastics. This process aims to address the pressing issues of plastic pollution, food waste, and climate change.

CarbonCure

Venture Round in 2018
CarbonCure Technologies Inc. is a Canadian company that specializes in technology designed to sequester carbon dioxide (CO2) in concrete production. Founded in 2007 and headquartered in Dartmouth, Nova Scotia, the company provides a retrofit solution for existing concrete plants, allowing producers to incorporate waste CO2 from industrial emitters into their concrete products. During manufacturing, this CO2 is chemically converted into solid mineral carbonates, enhancing the strength of the concrete while reducing its carbon footprint. CarbonCure's innovative approach enables concrete manufacturers to produce green concrete without compromising quality or cost, thereby facilitating a shift towards sustainable building practices. The company also offers marketing and environmental reporting services to support its customers in the growing green building market. By licensing its technology at a low capital expenditure, CarbonCure generates a recurring revenue stream while contributing to the reduction of greenhouse gas emissions in the concrete industry.

Sunfolding

Venture Round in 2018
Founded in 2012, Sunfolding designs, manufactures, and sells advanced solar tracker systems. Its flagship product, T29 Horizontal Single Axis Tracker, features AirDrive technology for enhanced reliability and performance. The company serves the U.S. solar market with a team of industry veterans.

SparkMeter

Venture Round in 2018
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.

Source

Venture Round in 2018
Source is a developer and manufacturer of solar-powered devices that extract drinkable water from the atmosphere. Its hydro panel technology uses advanced materials science to pull water from even the driest conditions and mineralize it for delivery to taps, enabling clean water access for residential, commercial, industrial, and community use. The company was founded in 2014 and is headquartered in Scottsdale, Arizona.

Solstice

Grant in 2018
Solstice facilitates shared solar energy solutions, aggregating consumer demand and connecting households with community solar projects. Founded in 2016, it aims to increase access to affordable renewable energy regardless of income or credit score.

Solar Analytics

Series B in 2018
Solar Analytics Inc. is a developer of advanced solar energy monitoring devices and platforms, primarily focused on optimizing the performance of solar photovoltaic systems. The company offers the Solar Smart Monitor, which connects to the solar energy system to provide real-time tracking of performance, household energy consumption, and fault diagnosis. This device is complemented by an online dashboard that delivers personalized insights and detailed monthly reports on system performance. Solar Analytics serves a diverse clientele, including residential users, small commercial customers, energy distributors, and solar installers. Founded in 2016 and based in Oakland, California, Solar Analytics aims to enhance energy efficiency and enable users to maximize the benefits of their solar investments through strategic partnerships and innovative technology.

Solar Analytics

Grant in 2017
Solar Analytics Inc. is a developer of advanced solar energy monitoring devices and platforms, primarily focused on optimizing the performance of solar photovoltaic systems. The company offers the Solar Smart Monitor, which connects to the solar energy system to provide real-time tracking of performance, household energy consumption, and fault diagnosis. This device is complemented by an online dashboard that delivers personalized insights and detailed monthly reports on system performance. Solar Analytics serves a diverse clientele, including residential users, small commercial customers, energy distributors, and solar installers. Founded in 2016 and based in Oakland, California, Solar Analytics aims to enhance energy efficiency and enable users to maximize the benefits of their solar investments through strategic partnerships and innovative technology.

Green Momit

Grant in 2017
Green Momit, founded in January 2012 and based in Madrid, Spain, specializes in the development of smart home technologies aimed at enhancing quality of life through energy efficiency. The company designs, manufactures, and sells innovative smart devices that focus on energy management. Their flagship products include smart temperature sensors that can reduce energy bills by up to 30%. These devices learn user habits to optimize energy savings, ensuring comfort by automatically adjusting heating or cooling when residents are home and turning off when they leave. Users can control their home temperature remotely via mobile devices, helping them manage energy expenditure effectively. Green Momit also has commercial offices in London, UK, and emphasizes research and development and international growth in its operations.

Nnergix

Grant in 2017
Nnergix is a technology company specializing in data analytics for the renewable energy sector. It collects and integrates weather and energy data from various sources, then applies proprietary machine learning algorithms to provide forecasting solutions. These solutions aim to enhance operational efficiency and reduce costs for energy industry players by predicting atmospheric conditions and optimizing asset management. The company's offerings are accessible via a web-based platform.

HST

Grant in 2017
HST is a technology company that operates a data-driven marketplace and software platform for clean energy project development and energy trading. The platform enables developers to contract with pre-vetted landowners, energy offtakers, and financiers, de-risk projects via digital land asset valuation and integrated services, and assemble packages of land, offtake agreements, and financing to accelerate decarbonization. Based in the San Francisco Bay Area, the company combines clean energy and software expertise to streamline project triage, optimize bids, and lower the levelized cost of energy, helping traders and developers identify and secure competitive utility-scale contracts.

SheerWind

Grant in 2017
SheerWind, Inc. is an energy technology company based in Chaska, Minnesota, that specializes in the development and licensing of its innovative INVELOX wind power generation system. Incorporated in 2010, SheerWind’s technology is designed to capture, accelerate, and concentrate wind energy, resulting in increased wind speeds for power generation. This patented system aims to address significant challenges in the wind industry, including turbine reliability, intermittency, and environmental impact, while also delivering energy at reduced costs. The company serves a diverse range of markets, including utility-scale onshore and offshore wind farms, small-wind systems for buildings, off-the-grid applications, and micro-wind power generation for military and emergency response scenarios.

Signol

Grant in 2017
Signol is a London-based technology company that provides a behavior-change platform designed to improve fuel efficiency and reduce CO2 emissions in demanding transportation operations. The platform delivers personalized feedback and insights to professionals such as captains and crew, using behavioral science to motivate decisions that lower fuel use. It targets sectors like aviation and shipping, where small behavioral changes can yield meaningful environmental and operational gains. The solution complements existing management dashboards and programs, enabling immediate savings in fuel and carbon intensity through improved decision-making and operational practices.

eMotorWerks

Grant in 2017
eMotorWerks is a technology company specializing in electric vehicle charging solutions, notably through its flagship product, JuiceNet. This Internet of Things platform efficiently manages a network of electric vehicle charging stations, transforming them into multi-megawatt Virtual Power Plants that provide essential demand flexibility services to utilities and grid operators. The company aims to optimize electric vehicle charging by leveraging innovative driver engagement tools and a business model focused on recurring revenue and third-party financing. With over 8,000 charging stations in its own network and access to an additional 50,000 stations through partnerships, eMotorWerks stands as the largest aggregator of electric vehicle charging load. It has established contracts with major California utilities, ensuring its capacity is utilized to provide valuable energy services. Additionally, the company offers advanced charging technologies, such as the JuiceBox, which allows for significantly faster charging and provides consumers with control over their charging schedules and energy sources.

Allume Energy

Pre Seed Round in 2017
Allume Energy is a renewable technology company specializing in unlocking rooftop solar potential for multifamily housing and apartments. Its flagship product, SolShare, enables one rooftop solar installation to be shared among multiple residents within the same building, maximizing benefits and reducing grid exports.

Shifted Energy

Grant in 2017
Shifted Energy develops software and controllers that convert electric water heaters and other household assets into flexible distributed energy resources for demand response. Its platform enables utilities and grid operators to stabilize the grid and accelerate renewable integration by preheating water to absorb excess renewables and delivering fast demand response. The product suite includes Grid Maestro, a virtual power plant for electric water heaters, and Tempo, a retrofit controller for water heaters. The platform can also integrate assets such as pool pumps, home batteries, solar inverters, and electric vehicle charging stations to provide multiple grid services. It serves utilities, distributed energy aggregators, building managers, homeowners, and renters. The company was founded in 2014 and is based in Honolulu, Hawaii.

Heliogen

Venture Round in 2017
Heliogen is a renewable energy technology company that develops concentrated solar technology. This AI-enabled modular system aims to provide near-24/7 carbon-free heat, power, or green hydrogen fuel at scale for heavy industry applications.

Allume Energy

Venture Round in 2017
Allume Energy is a renewable technology company specializing in unlocking rooftop solar potential for multifamily housing and apartments. Its flagship product, SolShare, enables one rooftop solar installation to be shared among multiple residents within the same building, maximizing benefits and reducing grid exports.

Sighten

Grant in 2017
Sighten, Inc. is a technology company that specializes in developing software solutions for the distributed solar industry. Founded in 2012 and headquartered in San Francisco, California, Sighten provides a comprehensive platform that covers the entire lifecycle of solar assets. This platform includes tools for streamlining origination, system design, and sales operations, as well as features for automating ongoing reporting and analytics. Additionally, Sighten offers a pricing engine that accommodates the complexities of solar financing structures and a downstream toolset that enhances organizations' ability to effectively sell solar and manage the financing workflow from lead generation to asset operation. Its clientele consists of tax equity investors, lenders, finance companies, developers, and installers, positioning Sighten as a vital resource in optimizing business operations within the solar sector.

Go Electric

Grant in 2017
Founded in 2011, Go Electric develops customer-side energy solutions that integrate renewable energy sources, advanced batteries, and generators. Its AutoLYNC technology synchronizes and optimizes multiple power sources to reduce costs, assure security, and enhance grid stability. Serving government, utility, and industrial applications, primarily in the New York City area.

Kevala

Venture Round in 2016
Founded in 2014, Kevala is a data and analytics company specializing in delivering actionable insights for a robust, sustainable, and safe electric grid. It offers cloud-based software that enables users to find and value new locations for solar, storage, and other energy resources, while quantifying environmental impacts. Trusted by governments, utilities, and industry, Kevala's platform integrates deep subject matter expertise across the entire energy value chain.

Carbon Lighthouse

Seed Round in 2016
Carbon Lighthouse is a technology company that helps commercial real estate owners decarbonize and reduce energy costs through a combination of energy-efficiency retrofit measures, on-site generation, and strategic consulting. Its Efficiency Production platform and CLUES AI software analyze building data to identify HVAC, lighting, and equipment inefficiencies, enabling targeted improvements and continuous monitoring. The company implements measures such as optimizing heating, ventilation, and air conditioning loops; installing economizers, variable frequency drives, and other energy-saving equipment; and integrating solar photovoltaic systems, along with decision support for energy sourcing and regulatory impact assessments. It serves building owners and managers of small to medium-sized properties across offices, schools, community centers, and other facilities, delivering value by lowering utility bills, reducing carbon emissions, and improving net operating income. Founded in 2010 and based in San Francisco with a regional office in Los Angeles.

Rebound Technologies

Seed Round in 2015
Rebound Technologies manufactures innovative thermal energy storage systems for commercial freezer environments and off-grid cooling. Its flagship products include IcePoint, a low-temperature refrigeration solution for supermarkets, and SunChill, an off-grid refrigeration system designed to improve agricultural productivity by removing field heat from crops post-harvest. The company's solutions are used by retail stores and farmers in the United States.

ConnectDER

Grant in 2015
ConnectDER is a solar technology company based in Philadelphia, Pennsylvania, founded in 2011. It specializes in designing and manufacturing meter collars that facilitate the connection of distributed energy resources (DERs) such as solar photovoltaic systems, battery storage, and electric vehicle charging to residential homes and the grid. By transforming the electricity meter socket into an interconnection point, ConnectDER enhances the integration and management of DERs. The company also offers ConnectDER Cloud, a system that allows fleet operators to access metering data, manage operational parameters, and control firmware remotely. This technology improves the efficiency and resilience of home energy systems while benefiting users, the grid, and the environment.

FreeWire

Seed Round in 2015
FreeWire Technologies, Inc. is a manufacturer of mobile electric vehicle (EV) chargers, focused on providing innovative charging solutions that enhance the accessibility of EV charging infrastructure. Established in 2014 and based in San Leandro, California, the company produces several models, including the Mobi Charger v0, v1, and v2, which cater to varying charging needs and capabilities. FreeWire’s flagship product, the Boost Charger, integrates battery technology with power conversion systems, allowing for high-power charging without the need for extensive grid upgrades. This technology enables ultrafast charging at locations that typically lack sufficient electrical infrastructure. FreeWire has successfully deployed its battery-integrated chargers across the United States, serving Fortune 100 companies, commercial clients, fleets, and retail spaces, and has partnered with major organizations to expand its reach. Additionally, the company's systems provide clean and quiet power solutions, effectively replacing or supplementing diesel generators for various remote power applications, thereby supporting the transition away from fossil fuels.

Shifted Energy

Seed Round in 2015
Shifted Energy develops software and controllers that convert electric water heaters and other household assets into flexible distributed energy resources for demand response. Its platform enables utilities and grid operators to stabilize the grid and accelerate renewable integration by preheating water to absorb excess renewables and delivering fast demand response. The product suite includes Grid Maestro, a virtual power plant for electric water heaters, and Tempo, a retrofit controller for water heaters. The platform can also integrate assets such as pool pumps, home batteries, solar inverters, and electric vehicle charging stations to provide multiple grid services. It serves utilities, distributed energy aggregators, building managers, homeowners, and renters. The company was founded in 2014 and is based in Honolulu, Hawaii.

Stem

Series B in 2015
Founded in 2009, Stem provides energy storage solutions and software for businesses to manage energy costs effectively. It offers Athena, a proprietary software using big data and machine learning to optimize energy usage. Stem also deploys distributed batteries in commercial buildings and sells its solutions to various industries.

Spider9

Grant in 2015
Spider9 is a clean technology startup that provides renewable energy storage solutions and software control systems. It develops residential and small commercial solutions, commercial and industrial solutions, utility and large commercial solutions, and control solutions. The company’s products include Spider Vault: a product line designed to meet home, small business, and community energy storage needs that can be used to reduce utility demand charges, increase solar self-consumption, provide backup power, and take an entire home or facility off-grid; Spider Rack Pro: a modular energy storage unit used for emergency backup power, electricity bill reduction, electrical islanding, renewable microgrid operation, and more; Spider Vault Max: a solution that integrates Spider Rack Pro energy storage units into a standard shipping container modified to include all mechanical support structures, HVAC, fire suppression, lighting, and safety controls; and OSE: a system that allows energy storage systems to build operation protocol from data drawn from demand response software, building management systems, and utility signals as well as to serve as a site controller for microgrids and other energy networks. Spider9 was founded in 2011 and is based in Michigan, United States.

Allume Energy

Venture Round in 2015
Allume Energy is a renewable technology company specializing in unlocking rooftop solar potential for multifamily housing and apartments. Its flagship product, SolShare, enables one rooftop solar installation to be shared among multiple residents within the same building, maximizing benefits and reducing grid exports.

Geli

Seed Round in 2014
Geli, or Growing Energy Labs, Inc., specializes in providing software and business solutions for the design, automation, and management of energy storage systems. The company offers a comprehensive suite of products that facilitates an ecosystem for project developers, original equipment manufacturers, financiers, and project operators. Geli's hardware-agnostic software platform streamlines the energy storage development process, allowing clients to efficiently deploy advanced energy projects while minimizing their environmental impact.

FreeWire

Venture Round in 2014
FreeWire Technologies, Inc. is a manufacturer of mobile electric vehicle (EV) chargers, focused on providing innovative charging solutions that enhance the accessibility of EV charging infrastructure. Established in 2014 and based in San Leandro, California, the company produces several models, including the Mobi Charger v0, v1, and v2, which cater to varying charging needs and capabilities. FreeWire’s flagship product, the Boost Charger, integrates battery technology with power conversion systems, allowing for high-power charging without the need for extensive grid upgrades. This technology enables ultrafast charging at locations that typically lack sufficient electrical infrastructure. FreeWire has successfully deployed its battery-integrated chargers across the United States, serving Fortune 100 companies, commercial clients, fleets, and retail spaces, and has partnered with major organizations to expand its reach. Additionally, the company's systems provide clean and quiet power solutions, effectively replacing or supplementing diesel generators for various remote power applications, thereby supporting the transition away from fossil fuels.

Autowatts

Seed Round in 2014
Autowatts, LLC is a company based in Denver, Colorado, that specializes in developing sales software to facilitate the selling process for dealers of electric vehicles (EV) and photovoltaic solar power systems. Founded in 2013, Autowatts offers a comprehensive sales portal and learning platform that equips salespeople with tools to effectively discuss various aspects of EV and solar sales, including tax incentives, driving habits, charging costs, fuel sources, true cost of ownership, and financing options. The platform streamlines the technical and financial aspects of sales, analyzes customer information, calculates system requirements, and assists in closing deals electronically, ultimately helping clients reduce customer acquisition costs and enhance the affordability of solar solutions.

Amber Kinetics

Seed Round in 2014
Founded in 2009, Amber Kinetics specializes in engineering and developing modular flywheel energy storage systems. The company's innovative technology stores energy in a spinning rotor connected to an electric motor, converting electrical energy into mechanical energy and back. Amber Kinetics improves traditional flywheel systems through advancements in magnetic bearings, low-cost rotors, and high-efficiency motor generators.

Stem

Venture Round in 2013
Founded in 2009, Stem provides energy storage solutions and software for businesses to manage energy costs effectively. It offers Athena, a proprietary software using big data and machine learning to optimize energy usage. Stem also deploys distributed batteries in commercial buildings and sells its solutions to various industries.

Ambri

Venture Round in 2013
Ambri develops grid-scale energy storage technology based on liquid metal battery cells, designed to provide low-cost, long-duration storage for electric grids and renewable energy systems. Its systems are offered as ready-to-install DC containers that enable daily cycling with high efficiency, long lifespan, and safety, and are positioned to replace diesel generators at hyperscale data centers while stabilizing the grid with intermittent renewables. Founded in 2010 and based in Marlborough, Massachusetts, Ambri focuses on scalable storage solutions for grid reliability, renewable integration, and data-center applications.

PlotWatt

Funding Round in 2010
PlotWatt, Inc. is a provider of energy analytics software solutions aimed at enhancing energy management for residential and commercial clients in the United States, Canada, and New Zealand. Founded in 2008 and based in Durham, North Carolina, the company employs machine-learning algorithms to analyze energy usage data, transforming it into actionable insights that help customers improve their energy efficiency and operational processes. PlotWatt's platform is particularly beneficial for multi-location businesses, offering site-by-site comparative analysis and operational benchmarking to optimize energy consumption. The company's cloud-based energy disaggregation technology delivers customized recommendations by analyzing smart meter data, allowing clients to identify appliance-level energy costs without the need for individual appliance monitoring, ultimately promoting cost savings and sustainable living. PlotWatt operates as a subsidiary of American Efficient, Inc. as of November 2018.
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