Shell E4

Shell E4, established in 2017, is a Bengaluru-based accelerator focused on fostering clean technology and sustainability ventures. It invests in and supports startups working on solutions such as waste management, plastic circularity, carbon capture, and decarbonization technologies, aligning with Shell's broader commitment to a lower-carbon future.

Bilal Ahmad

Venture Principal

Peter van Giessel

Venture Principal

Robert Linck

CFO and Chief Investment Director

Hector MacQuarrie

Venture Principal

Geert van de Wouw

Managing Director

Quennie Co

Managing Director and Managing Partner

Past deals in Sustainability

Origen

Series A in 2025
Origen Carbon Solutions specializes in scalable limestone-based direct air capture technology aimed at permanently reducing atmospheric CO2 levels. By leveraging the properties of limestone, the company focuses on carbon removal and industrial applications that allow for the efficient sequestration of carbon dioxide. Origen's innovative platform transforms limestone into lime and high-purity CO2, providing an economically viable method for industries to remove carbon dioxide from the air. Through collaboration with various stakeholders, Origen strives to restore the atmosphere and address the impacts of climate change.

EarthOptics

Venture Round in 2024
EarthOptics is a company focused on sustainable agricultural management through the development of a global soil cloud platform. Utilizing advanced sensors and machine learning, EarthOptics creates highly accurate soil maps by analyzing far fewer soil samples. The platform provides detailed insights into various soil attributes, including compaction, fertility, and carbon levels. This technology empowers farmers, ranchers, and land managers to make informed decisions that enhance profitability and sustainability in soil management. Additionally, EarthOptics offers near-real-time actionable data that aids in monitoring soil health, benefiting both agricultural practices and carbon credit verification efforts.

HYDROGEN Mem-Tech

Venture Round in 2024
Hydrogen Mem-Tech specializes in advanced hydrogen separation technology that incorporates carbon capture. The company develops palladium membranes that efficiently capture carbon dioxide while facilitating the production of clean hydrogen. This innovative technology is designed for a variety of applications, including refineries, bio-refineries, chemical plants, steel production, power generation, gas networks, and agriculture. By providing sustainable energy solutions with zero emissions, Hydrogen Mem-Tech aims to support industries in making a green transition while minimizing maintenance costs and environmental impact.

Mantel

Series A in 2024
Mantel is focused on developing innovative carbon capture technology aimed at reducing carbon dioxide emissions and achieving net-negative emissions. The company's method captures CO2 before it can enter the atmosphere, utilizing low energy processes to enhance efficiency. Designed for integration within boilers, kilns, and furnaces, Mantel's technology leverages biomass waste and residue to facilitate significant carbon removal. This approach addresses sustainability challenges while utilizing liquid-phase chemistry applicable across various sectors, including industrial heat, steel, and chemicals. By enabling clients to lower their costs associated with carbon capture and storage, Mantel plays a crucial role in the transition towards a more sustainable future.

Sunswap

Venture Round in 2024
Sunswap Ltd. is a London-based company that focuses on developing innovative transport refrigeration technology aimed at achieving zero-emission cold chain transportation. Incorporated in 2020, Sunswap integrates solar power, battery systems, and electric refrigeration into a single high-performance unit. This proprietary, patent-pending technology assists notable clients, such as DFDS and Samworth Brothers, as well as trial partners like Muller, in reducing diesel reliance and associated costs. The company's mission is to decarbonize the cold transportation sector, thereby addressing environmental concerns while enhancing efficiency in the supply chain.

AiDASH

Series C in 2024
AiDASH is making critical infrastructure industries climate resilient and sustainable. Using our satellite-first platform for grid inspection and monitoring, our AI applications enable electric and gas utilities and landowners to transform how they manage and maintain their assets. Our customers deliver ROI in their first year of deployment with reduced costs, improved reliability, and advancements in sustainability goals. AiDASH exists to safeguard critical infrastructure and secure the future of humanAIty™. Learn more at www.aidash.com.

Voltreum

Seed Round in 2024
Voltreum is a technology company that develops a blockchain-based platform for decentralized renewable energy trading. It focuses on decarbonization by utilizing clean energy sources, digitization through smart meters, decentralization of grids, and democratization by enabling users to save, share, or sell their excess energy, providing them with autonomy in energy management.

Ecoil

Venture Round in 2023
Ecoil is an oil recycling company focused on converting agricultural waste into sustainable energy solutions. The company collects used cooking oil from restaurants and processes it into biodiesel, thereby addressing the need for proper disposal and recycling of waste oils and fats. By providing this service, Ecoil not only helps businesses manage their waste effectively but also contributes to reducing environmental impact and promoting a more sustainable future. Through its efforts, Ecoil aims to support environmentally and socially responsible practices in energy generation.

Agricarbon

Series A in 2023
Agricarbon specializes in soil carbon measurement services aimed at enhancing climate mitigation and resilience within food systems. By utilizing robotics and artificial intelligence, the company automates the quantification of soil carbon stock. This innovation provides farmers, landowners, and businesses with valuable insights into their soil carbon levels, facilitating participation in carbon markets and creating opportunities for agricultural carbon dioxide removal. Agricarbon's approach not only supports environmental sustainability but also empowers stakeholders to make informed decisions regarding soil management and carbon capture.

Princeton NuEnergy

Series A in 2023
Princeton NuEnergy is a clean-tech startup specializing in the direct recycling of lithium-ion batteries from electric vehicles and consumer electronics. The company utilizes patented Direct Battery Recycling technology to produce high-quality cathode active materials at low operating costs from spent batteries. This innovative process allows for the regeneration of cathodes, anodes, electrolytes, solvents, and other materials, enabling clients to restore battery components without fully breaking down their chemical structures. By providing sustainable energy solutions, Princeton NuEnergy addresses environmental challenges associated with battery waste and promotes a circular economy in the battery industry.

Kraftblock

Series B in 2023
Kraftblock specializes in developing innovative thermal energy storage systems that facilitate the transition to renewable energy for various industries. By focusing on a materials-development approach, the company offers efficient and sustainable solutions for decarbonizing heat processes, addressing the urgent need to combat the climate crisis. Kraftblock's unique technology enables the storage and delivery of heat at temperatures up to 1300°C, making it suitable for a wide range of industrial applications that traditional thermal storage systems cannot support. In addition to promoting sustainable practices, Kraftblock's systems also enhance safety by providing reliable solutions during fire outbreaks, positioning the company as a key player in the energy transition towards 100% renewable sources.

Chooose

Series A in 2023
Chooose AS, based in Oslo, Norway, specializes in providing climate compensation solutions for consumer-facing enterprises. The company offers a platform that integrates seamlessly into e-commerce checkouts and consumer applications, enabling businesses to offer high-impact climate action options to their customers. Chooose operates a marketplace for carbon credits and provides tools for emission calculations and carbon removal transactions. Established in 1997, the company has gained recognition for its innovative approach, being named Norway's startup of the year in 2017 and recognized as a top global tech startup by Sir Richard Branson and the Extreme Tech Challenge. In addition to its core services, Chooose also sells gift cards online.

RepAir

Series A in 2022
RepAir is at the forefront of advancing a carbon-negative future through its innovative carbon removal technology. The company has developed an electrochemical device that effectively captures carbon dioxide from the atmosphere by utilizing electricity. This process involves drawing in ambient air and passing it through a specialized membrane that selectively separates carbon dioxide, allowing clean air to be released back into the environment. RepAir's fully electric and zero-heat technology is designed for large-scale deployment, emphasizing environmental sustainability while minimizing energy consumption. Importantly, the system operates without the use of liquids, solvents, or hazardous materials, producing no waste and supporting clients in reducing their carbon footprints and energy costs.

Chooose

Venture Round in 2022
Chooose AS, based in Oslo, Norway, specializes in providing climate compensation solutions for consumer-facing enterprises. The company offers a platform that integrates seamlessly into e-commerce checkouts and consumer applications, enabling businesses to offer high-impact climate action options to their customers. Chooose operates a marketplace for carbon credits and provides tools for emission calculations and carbon removal transactions. Established in 1997, the company has gained recognition for its innovative approach, being named Norway's startup of the year in 2017 and recognized as a top global tech startup by Sir Richard Branson and the Extreme Tech Challenge. In addition to its core services, Chooose also sells gift cards online.

Princeton NuEnergy

Seed Round in 2022
Princeton NuEnergy is a clean-tech startup specializing in the direct recycling of lithium-ion batteries from electric vehicles and consumer electronics. The company utilizes patented Direct Battery Recycling technology to produce high-quality cathode active materials at low operating costs from spent batteries. This innovative process allows for the regeneration of cathodes, anodes, electrolytes, solvents, and other materials, enabling clients to restore battery components without fully breaking down their chemical structures. By providing sustainable energy solutions, Princeton NuEnergy addresses environmental challenges associated with battery waste and promotes a circular economy in the battery industry.

HYDROGEN Mem-Tech

Venture Round in 2022
Hydrogen Mem-Tech specializes in advanced hydrogen separation technology that incorporates carbon capture. The company develops palladium membranes that efficiently capture carbon dioxide while facilitating the production of clean hydrogen. This innovative technology is designed for a variety of applications, including refineries, bio-refineries, chemical plants, steel production, power generation, gas networks, and agriculture. By providing sustainable energy solutions with zero emissions, Hydrogen Mem-Tech aims to support industries in making a green transition while minimizing maintenance costs and environmental impact.

Noova Energy Systems

Private Equity Round in 2022
Noova Energi System offers energy management services aimed at helping customers reduce costs associated with power consumption. By utilizing a platform that actively collects and analyzes energy-related data, Noova provides clients with a comprehensive overview of their electricity usage. This enables users to monitor consumption patterns throughout the day and night, identifying illogical consumption and opportunities for smarter energy use. Through its services, Noova supports clients in minimizing energy waste and optimizing their energy efficiency.

Offgrid Energy Labs

Seed Round in 2022
Offgrid Energy Labs specializes in the development of energy storage battery technology aimed at creating efficient and safe batteries for a sustainable future. The company focuses on innovating chemistry, materials, and design using eco-friendly and readily available resources. Its technology provides cost-effective and low-maintenance renewable energy storage solutions, which are particularly beneficial for microgrids. Offgrid Energy Labs also offers improved alternatives for electric vehicles and enhances capabilities for grid balancing. By surpassing traditional lead-acid batteries in power density, battery life, and overall cost, the company positions itself as a leader in the transition to advanced energy storage systems.

AiDASH

Series B in 2021
AiDASH is making critical infrastructure industries climate resilient and sustainable. Using our satellite-first platform for grid inspection and monitoring, our AI applications enable electric and gas utilities and landowners to transform how they manage and maintain their assets. Our customers deliver ROI in their first year of deployment with reduced costs, improved reliability, and advancements in sustainability goals. AiDASH exists to safeguard critical infrastructure and secure the future of humanAIty™. Learn more at www.aidash.com.

Zypp Electric

Seed Round in 2021
Zypp Electric is a company focused on transforming last-mile delivery through its electric vehicle (EV) solutions, primarily utilizing e-scooters. It operates an app that facilitates the delivery of goods across various sectors, including e-commerce, grocery, medicine, and food, promoting a shift to electric transportation to reduce emissions. By offering a dockless e-scooter sharing service, Zypp enables users to locate and access vehicles easily, enhancing convenience and affordability for deliveries. The company's commitment to sustainability has positioned it as a pioneer in the EV logistics sector, achieving EBITDA-positive status through its innovative approach to decarbonizing transportation and making last-mile delivery more efficient.

Chooose

Seed Round in 2021
Chooose AS, based in Oslo, Norway, specializes in providing climate compensation solutions for consumer-facing enterprises. The company offers a platform that integrates seamlessly into e-commerce checkouts and consumer applications, enabling businesses to offer high-impact climate action options to their customers. Chooose operates a marketplace for carbon credits and provides tools for emission calculations and carbon removal transactions. Established in 1997, the company has gained recognition for its innovative approach, being named Norway's startup of the year in 2017 and recognized as a top global tech startup by Sir Richard Branson and the Extreme Tech Challenge. In addition to its core services, Chooose also sells gift cards online.

GreenCom Networks

Venture Round in 2020
GreenCom Networks AG is an energy IoT company based in Munich, Germany, with a focus on developing innovative solutions for the energy sector since its founding in 2011. The company operates an Energy Information Brokerage Platform that integrates various distributed energy assets, including solar panels, battery storage, electric vehicles, and heat pumps. Its platform offers several services, such as eibp connect for managing and controlling energy assets, eibp boost for visualizing and optimizing energy flows, eibp mesh for connecting customers to energy communities, eibp empower for developing energy tariffs, and eibp cluster for enhancing the capabilities of distributed assets. By providing these tools, GreenCom Networks enables utilities and energy service companies to improve customer engagement and introduce new digital energy services.

Nirvana Energy Systems

Pre Seed Round in 2020
Nirvana Energy Systems focuses on creating innovative home energy solutions that generate electricity and heat using clean natural gas. The company has developed a micro-combined heat and power system designed for residential use, which efficiently converts gas into electricity while also providing domestic water and space heating. This technology aims to help users save on energy costs and reduce their carbon footprint by offering a compact, effective, and dependable power source.

Palmetto Clean Technology

Series B in 2020
Just as technology has advanced society and delivered exciting consumer products, like Tesla cars and the iPhone, tech innovation is empowering homeowners across the country to join the New Utility Revolution. Palmetto’s clean energy marketplace and custom software tools help homeowners quickly estimate utility cost-savings and get renewable energy sources up and running, with ongoing data insights and support. For individuals, this innovation means lower utility bills, more transparency, control over energy use, increase in property value, and protection against power outages. When adopted en masse, a clean energy shift is a major step towards combating climate change and achieving American energy independence.

LogicLadder

Pre Seed Round in 2020
LogicLadder, founded in 2011, is a leading provider of enterprise sustainability management and climate action cloud software in India. As the first climate tech company in the nation, it offers a comprehensive platform known as The Sustainability Cloud®, which includes innovative solutions aimed at helping businesses measure and manage their decarbonization efforts to achieve NetZero. The platform is utilized by over 1,000 enterprises across more than 17 sectors, enabling them to reduce environmental impact, enhance operational efficiency, and meet global compliance standards. LogicLadder's technology simplifies the acquisition and analysis of energy and environmental data, performing extensive calculations to identify inefficiencies and areas for improvement. The company has garnered support from notable investors and serves a diverse clientele, including major players in power, petrochemicals, consumer goods, cement, automobile, textiles, and iron and steel industries.

Offgrid Energy Labs

Pre Seed Round in 2020
Offgrid Energy Labs specializes in the development of energy storage battery technology aimed at creating efficient and safe batteries for a sustainable future. The company focuses on innovating chemistry, materials, and design using eco-friendly and readily available resources. Its technology provides cost-effective and low-maintenance renewable energy storage solutions, which are particularly beneficial for microgrids. Offgrid Energy Labs also offers improved alternatives for electric vehicles and enhances capabilities for grid balancing. By surpassing traditional lead-acid batteries in power density, battery life, and overall cost, the company positions itself as a leader in the transition to advanced energy storage systems.

Orb Energy

Corporate Round in 2019
Orb Energy specializes in providing affordable renewable energy solutions for off-grid households in India, primarily through solar home systems. The company offers these systems at a cost of USD 4 per month, catering to low-income customers by leveraging a robust retail distribution network. Currently operating 90 branches, Orb Energy plans to expand significantly, aiming to double its branches and workforce within the next two years, thereby reaching an estimated 250,000 individuals. In addition to solar home systems, Orb Energy is involved in the design, manufacture, installation, and servicing of solar photovoltaic systems for power generation, as well as solar thermal systems for hot water and related lighting components and appliances.

Punjab Renewable Energy Systems

Series B in 2019
Punjab Renewable Energy Systems Private Limited specializes in biomass management and bio-energy services. Founded in 2011 and based in Navi Mumbai, the company focuses on various aspects of biomass, including its plantation, procurement, storage, processing, and supply. Its offerings encompass bio-energy generation, briquetting and pelleting, as well as steam supply contracts. The company also provides project management consultancy, energy audits, and technical consultations related to biomass. Additionally, Punjab Renewable Energy Systems manages the entire supply chain for biomass, ensuring efficient aggregation, transportation, and storage to meet the fuel needs of independent power plants and co-generation facilities. Through these services, the company aims to optimize the use of biomass for energy production.

Manastu Space

Pre Seed Round in 2019
Manastu Space is a company focused on space safety and logistics, specializing in in-space refueling, life extension, and de-orbiting services. The company has developed a green propulsion technology aimed at replacing toxic hydrazine-based propellant systems. Their innovative systems utilize hydrogen peroxide-based green propellant, which not only enhances propulsion capabilities but also addresses environmental concerns by reducing debris pollution and minimizing the risk of debris collisions in space. Through these services, Manastu Space aims to improve safety within the space industry while promoting sustainable practices.

TrashCon

Seed Round in 2018
TrashCon is a sustainability company focused on innovative technology solutions for waste management, zero waste initiatives, and plastic recycling. The company has developed a solid waste segregator designed to enhance waste management practices by efficiently separating mixed municipal solid waste into biodegradable and non-biodegradable components. This process utilizes automated sorting trommel screens, enabling clients to derive value from unsegregated waste by creating recycled panels. Through its advancements in waste segregation and recycling, TrashCon aims to contribute significantly to environmental sustainability.

Sonnen

Series E in 2018
Sonnen is a developer of solar-based energy storage systems that provide clean and affordable energy solutions for residential homes, agricultural farms, and commercial enterprises. Since the introduction of the Sonnenbatterie in Germany and Austria in 2011, the company has focused on integrating energy storage with home automation platforms. This integration allows users to actively manage their energy consumption, optimizing the use of energy harvested from solar photovoltaic systems or the grid. Sonnen's offerings extend beyond simple storage, incorporating features such as smart metering and virtual power plant integration, designed to enhance energy management and provide tailored solutions for various energy needs.

Grassroots Energy

Seed Round in 2018
Grassroots Energy is an energy company focused on developing clean energy solutions by producing biomethane and bio-hydrogen from waste. Utilizing various technologies, the company converts agricultural and farm waste into biogas, which can be used for electricity generation and clean cooking. This approach not only contributes to sustainable energy production but also helps small and marginal farmers enhance their income by adding value to their bio-waste. Through its innovative methods, Grassroots Energy aims to address environmental challenges while supporting local economies.

ArSta eco

Seed Round in 2018
ArSta eco is an eco-technology company focused on transforming agricultural waste into sustainable carbon products, including biocarbon, biochar, and sustainable charcoal. The company employs advanced technology, such as a pyrolysis reactor, to convert agricultural residue into useful resources, thereby facilitating waste recycling and promoting carbon sequestration. By integrating modern technology with traditional methods, ArSta eco aims to optimize resource usage while addressing the essential needs of food, water, and energy for society. The company's mission underscores the importance of sustainability, emphasizing that responsible resource management today is crucial for meeting future generations' needs.

Kite Power Systems

Venture Round in 2016
Kite Power Systems, founded in 2011 in Burnham-on-Crouch, Essex, UK, specializes in developing an innovative solution for harnessing wind energy through a twin-kite system. This technology aims to provide a reliable and efficient means of generating clean energy at a utility scale, significantly reducing costs compared to traditional wind turbines while utilizing 85 percent less material. The company’s kite arrays can be deployed both onshore and offshore, making them suitable for locations where conventional wind energy systems are impractical. By offering a sustainable alternative, Kite Power Systems seeks to reduce dependency on fossil fuels and mitigate the impacts of climate change. The technology is supported by extensive testing and development, as well as funding from the UK Department of Energy and Climate Change Energy Entrepreneurs Fund and various private investors.

Aquion Energy

Series E in 2014
Aquion Energy is a manufacturer of innovative energy storage solutions, specializing in sodium ion batteries designed for long-duration stationary energy storage. The company's proprietary Aqueous Hybrid Ion (AHI™) battery technology, developed from research by Carnegie Mellon University Professor Jay Whitacre, addresses the limitations of conventional energy storage systems. Aquion's batteries are safe, reliable, and environmentally friendly, utilizing non-toxic components such as saltwater, and they are free from heavy metals and toxic chemicals. These features make the AHI systems non-flammable and non-explosive, positioning them as a sustainable alternative for clients seeking to decrease reliance on fossil fuels. By optimizing existing grid-tied generation assets, Aquion Energy enhances the flexibility and efficiency of the electrical grid, facilitating the broader adoption of renewable energy technologies.

Next Step Living

Series D in 2014
Next Step Living provides home energy evaluations and solutions for individuals and organizations. It offers energy assessment and diagnostics, air sealing and insulation, and multi-family retrofit services. The company also provides customized solutions, such as HVAC repair and replacement, window replacement and installation, solar or geothermal systems installation, building automation, interior and exterior lighting design, and custom retrofit services. Its sustainability solutions include water efficiency and purification, landscape design and management, and indoor air quality services. The company provides assessment and diagnostic processes to heating and cooling, domestic hot water, and electricity and lighting needs. Next Step Living partners with more than 400 municipalities, civic organizations, contractors, and corporations to deliver energy-efficient and environmental-friendly solutions to its customers. Those solutions include home energy assessments, weatherization work, energy-efficient windows, efficient heating, and cooling solutions, and access to solar solutions. Next Step Living was founded in 2008 by Geoff Chapin and is based in Boston, Massachusetts.
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