MCJ

MCJ is a venture capital firm that invests in startups driving the transition of energy and industry towards cleaner, more profitable, and resilient solutions. They back extraordinary founders tackling climate change impacts and connect them with a network of tech and industrial leaders through the MCJ Collective. Additionally, MCJ operates a media platform, including the Inevitable podcast, to spotlight key perspectives in the transition to a low-carbon economy.

David Aronoff

Chairman and Managing Partner

Past deals in Electric Vehicle

Fourier

Series A in 2025
Fourier is focused on making on-site hydrogen production universally accessible, with the goal of transitioning the global energy landscape towards a sustainable and emission-free future. The company designs and manufactures advanced, modular electrolyzers that enable the efficient production of green hydrogen. These fully automated systems cater to various industries, including transportation, heating and cooling, and power storage. By providing innovative renewable energy solutions, Fourier aims to play a significant role in fostering a sustainable energy future.

Moment Energy

Series A in 2025
Moment Energy focuses on developing sustainable battery energy storage systems that repurpose retired electric vehicle batteries. The company aims to enhance energy reliability for off-grid areas and address peak demand in on-grid locations. By utilizing these repurposed batteries, Moment Energy provides clean, reliable, and cost-effective energy storage solutions, making renewable energy more accessible for both off-grid and industrial customers.

Arch

Seed Round in 2024
Arch is focused on creating a climate tech platform aimed at enhancing the sustainability of homes through electrification. The company develops an innovative System of Intelligence that integrates sales, design, and financing aspects of home electrification projects. Utilizing artificial intelligence, Arch's platform conducts real-time home analyses and generates rapid system designs. This technology enables the automatic creation of customized, visual proposals, which enhances the sales conversion process from lead generation to installation. By streamlining these processes, Arch aims to provide a green foundation for future generations, promoting more sustainable living solutions.

Zeno

Venture Round in 2023
Zeno is a climate conscious motor company that offers eco-friendly motorcycles.

WeaveGrid

Series B in 2022
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.

BasiGo

Seed Round in 2022
BasiGo is an e-mobility start-up focused on transforming public transportation in Kenya and Rwanda by providing electric buses as a cost-effective alternative to diesel. The company employs a pay-as-you-go model, which simplifies the transition for bus operators by including maintenance and battery charging in the financing plan. BasiGo's electric buses are designed to operate throughout the day on a single charge, utilizing proven and safe battery technology. This approach not only addresses the rising costs of diesel fuel but also aims to make electric buses affordable and accessible to all bus owners, thereby promoting sustainable and efficient public transport solutions in the region.

Enode

Series A in 2022
Enode is a company focused on advancing the transition to a sustainable energy system by connecting and optimizing energy devices. Through its digital platform, Enode's APIs allow businesses to seamlessly integrate users' energy hardware, such as electric vehicles, solar inverters, home batteries, and thermostats, into their applications. This streamlined approach significantly reduces the time and resources needed for integration and ongoing maintenance, making it easier for companies to develop energy management applications. By optimizing energy consumption and enabling participation in flexible energy markets, Enode supports clients in their efforts to contribute to a zero-carbon energy grid.

Kopperfield

Seed Round in 2022
Kopperfield is a company that provides a platform designed to simplify the process of home electrification for both contractors and consumers. Founded by Mark Wong and Jesse Vaughan, the platform facilitates the installation of electric vehicle chargers, solar energy systems, and heat pumps. By connecting consumers with qualified contractors, Kopperfield streamlines the often complex aspects of these installations. The platform offers features such as digital site audits, online proposals, and multi-channel communication, which help to alleviate the operational burdens faced by contractors. Additionally, it includes a payments infrastructure that enhances the overall user experience, making it easier for individuals to transition to electric solutions for their homes.

Lightship

Series A in 2022
Lightship is an early-stage hardware startup founded in 2020 by former Tesla employees, based in San Francisco. The company is focused on revolutionizing the recreational vehicle (RV) industry, which is valued at $26 billion, by developing an aerodynamic, battery-powered trailer. This innovative vehicle aims to provide an environmentally friendly alternative to traditional gas-powered RVs, alleviating issues such as noise, emissions, and range anxiety. By prioritizing sustainability, Lightship seeks to enhance outdoor travel experiences while promoting the preservation of nature. The company’s approach allows travelers to reduce fuel costs and minimize their environmental impact, making it easier to explore the outdoors responsibly.

FleetZero

Venture Round in 2022
Fleetzero, established in 2021 in Auburn, Alabama, is focused on developing a fleet of battery-electric cargo ships aimed at decarbonizing ocean freight. The company designs zero-emission vessels that can be constructed affordably in domestic shipyards, allowing operations in regulated markets where local shipbuilding is required. These electric ships promise lower operational costs and improved reliability compared to traditional fossil-fuel vessels, providing clients with an efficient and sustainable alternative for marine transportation. By facilitating significant reductions in fuel, maintenance, and crew expenses, Fleetzero seeks to transform the freight industry while adhering to environmental standards.

Helio Home

Seed Round in 2021
Helio is a company focused on facilitating the transition from fossil fuels to complete electrification of homes. It operates an innovative online platform that provides customers with a straightforward and cost-effective approach to achieve whole-home electrification. The platform integrates various systems including solar energy, heating and cooling, electrical systems, insulation, and ventilation, ensuring a holistic design for energy efficiency. By promoting the use of electric solutions, Helio aims to help customers reduce their carbon footprints and minimize reliance on fossil fuels, contributing to a more sustainable future.

Moment Energy

Seed Round in 2021
Moment Energy focuses on developing sustainable battery energy storage systems that repurpose retired electric vehicle batteries. The company aims to enhance energy reliability for off-grid areas and address peak demand in on-grid locations. By utilizing these repurposed batteries, Moment Energy provides clean, reliable, and cost-effective energy storage solutions, making renewable energy more accessible for both off-grid and industrial customers.

Lilac Solutions

Series B in 2021
Lilac Solutions, Inc. is a mining technology company focused on lithium extraction, providing innovative technology and services to lithium producers. The company specializes in ion exchange beads and continuous brine processing systems, which enable the efficient production of high-purity lithium solutions from various brine resources. This technology, grounded in ion-exchange theory, allows lithium producers to enhance project development, improve lithium recovery rates, and optimize operational efficiency while also minimizing costs and environmental impact. Lilac Solutions serves industries such as electric vehicles and renewable energy storage. Incorporated in 2015, the company is headquartered in Oakland, California.

Lightship

Seed Round in 2021
Lightship is an early-stage hardware startup founded in 2020 by former Tesla employees, based in San Francisco. The company is focused on revolutionizing the recreational vehicle (RV) industry, which is valued at $26 billion, by developing an aerodynamic, battery-powered trailer. This innovative vehicle aims to provide an environmentally friendly alternative to traditional gas-powered RVs, alleviating issues such as noise, emissions, and range anxiety. By prioritizing sustainability, Lightship seeks to enhance outdoor travel experiences while promoting the preservation of nature. The company’s approach allows travelers to reduce fuel costs and minimize their environmental impact, making it easier to explore the outdoors responsibly.

Enode

Seed Round in 2021
Enode is a company focused on advancing the transition to a sustainable energy system by connecting and optimizing energy devices. Through its digital platform, Enode's APIs allow businesses to seamlessly integrate users' energy hardware, such as electric vehicles, solar inverters, home batteries, and thermostats, into their applications. This streamlined approach significantly reduces the time and resources needed for integration and ongoing maintenance, making it easier for companies to develop energy management applications. By optimizing energy consumption and enabling participation in flexible energy markets, Enode supports clients in their efforts to contribute to a zero-carbon energy grid.
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