Demeter
Demeter Partners is a private equity and venture capital firm based in Paris, France, founded in 2005. It focuses on investments that support the ecological transition, targeting companies across various stages of development, including seed, start-up, early-stage, and growth. The firm primarily invests in sectors such as eco-industries, eco-energies, green technology, and alternative energy resources. Specific areas of interest include water, air, and waste treatment, energy efficiency, and renewable energies, as well as infrastructure projects related to sustainable energy. Demeter typically invests between €0.5 million and €30 million in small to medium-sized enterprises and prefers to take minority stakes while seeking board representation in its portfolio companies. While the firm predominantly operates in Europe, particularly in France, it also explores opportunities in North America and other regions. Demeter is recognized as a significant player in the European private equity landscape, particularly following its merger with Emertec Gestion in 2016, which enhanced its focus on the energy transition and environmental sectors.
SWEETCH Energy is developing a breakthrough technology in the field of salinity gradient power harvesting.
See You Sun specializes in electric mobility and renewable energy solutions, focusing on the development of solar photovoltaic power plants for various sectors, including communities, industrial, commercial, and retail. The company's offerings encompass a range of features such as individual and collective self-consumption, power purchase agreements, energy storage, and infrastructure for electric vehicle and bicycle charging. Additionally, See You Sun provides self-service bicycle rentals and systems for rainwater harvesting and storage. Through these initiatives, the company aims to facilitate the generation of clean electricity, reduce dependence on conventional energy sources, and help customers lower their energy expenses.
ZE Energy SAS is an independent producer of renewable energy based in Paris, France. Established in 2019, the company focuses on developing, building, and operating hybrid solar power plants that integrate photovoltaic technology with energy storage capabilities. By equipping its plants with batteries to store solar energy generated during the day, ZE Energy offers a solution that enhances the efficiency of solar power while ensuring zero CO2 emissions. The company's commitment to sustainability also extends to marketing green energy, providing consumers access to clean energy alternatives. Through its initiatives, ZE Energy aims to contribute to the decarbonization of the planet.
MyLight Systems specializes in energy management solutions that empower homeowners to produce and utilize their own solar electricity. The company focuses on creating solar self-consumption systems that optimize the use of energy generated by photovoltaic (PV) panels. By enhancing the efficiency of local PV energy consumption, MyLight Systems aims to help users significantly reduce their electricity costs and achieve energy independence. Their innovative approach benefits both residential and tertiary sectors, allowing for substantial savings while promoting sustainable energy practices.
Ergosup is a company based in Malataverne, France, that specializes in the development of decentralized hydrogen-energy production systems. The firm has created an innovative process for producing high-pressure hydrogen on-site, which facilitates the refueling of hydrogen fuel vehicles. Ergosup provides generators that store and convert electricity into hydrogen under pressure, enabling the co-generation of electric power for hydrogen service stations and various industrial applications. This technology allows clients to achieve zero-emission solutions for mobility applications, contributing to a more sustainable energy future.
Stimergy, based in Grenoble, France, operates eco-friendly data centers that enhance energy efficiency by recycling heat generated from computer servers. Founded in 2013, the company installs mini-data centers in secure areas of residential buildings, utilizing a digital boiler to convert waste heat into hot water for these buildings. This innovative approach integrates data centers into the smart city ecosystem, creating a resilient computing grid interconnected by optical fiber. Additionally, Stimergy offers project development services tailored for animation studios, helping to determine the necessary server allocation, computing power, storage speed, and connection speed for specific projects. The company's efforts reflect a commitment to sustainability and efficiency in data management.
I-TEN SA, established in 2011 and located in Dardilly, France, specializes in the manufacturing and marketing of micro batteries. The company focuses on providing solutions for micro-energy storage, which is essential for various autonomous circuits. Its product offerings include surface mount device (SMD) micro batteries designed for diverse applications such as data backup, smart cards, autonomous sensors, and medical devices.
SWEETCH Energy is developing a breakthrough technology in the field of salinity gradient power harvesting.
Private Equity Round in 2016
Kemwatt SAS designs, develops, manufactures, and markets batteries with circulating electrolytes for application in stationary storage of electricity to facilitate the management of the network within the framework of renewable electrical production.
Stimergy, based in Grenoble, France, operates eco-friendly data centers that enhance energy efficiency by recycling heat generated from computer servers. Founded in 2013, the company installs mini-data centers in secure areas of residential buildings, utilizing a digital boiler to convert waste heat into hot water for these buildings. This innovative approach integrates data centers into the smart city ecosystem, creating a resilient computing grid interconnected by optical fiber. Additionally, Stimergy offers project development services tailored for animation studios, helping to determine the necessary server allocation, computing power, storage speed, and connection speed for specific projects. The company's efforts reflect a commitment to sustainability and efficiency in data management.
Ergosup is a company based in Malataverne, France, that specializes in the development of decentralized hydrogen-energy production systems. The firm has created an innovative process for producing high-pressure hydrogen on-site, which facilitates the refueling of hydrogen fuel vehicles. Ergosup provides generators that store and convert electricity into hydrogen under pressure, enabling the co-generation of electric power for hydrogen service stations and various industrial applications. This technology allows clients to achieve zero-emission solutions for mobility applications, contributing to a more sustainable energy future.
EnerBee SAS, founded in 2014 and based in Grenoble, France, specializes in developing motion-based energy-harvesting solutions aimed at eliminating the need for batteries in both industrial and consumer connected devices. The company focuses on providing its innovative energy harvesters for a variety of applications, including wristwatches, remote sensors, smart home technologies, and industrial systems. By harnessing motion to generate power, EnerBee addresses the significant global demand for autonomous energy solutions, particularly in a market where billions of coin cell batteries are sold annually. With its multi-patented technology, EnerBee is poised to transform how wireless connected objects are powered, offering a sustainable alternative to traditional battery dependency.
I-TEN SA, established in 2011 and located in Dardilly, France, specializes in the manufacturing and marketing of micro batteries. The company focuses on providing solutions for micro-energy storage, which is essential for various autonomous circuits. Its product offerings include surface mount device (SMD) micro batteries designed for diverse applications such as data backup, smart cards, autonomous sensors, and medical devices.
McPhy Energy S.A. develops and supplies hydrogen production, storage, and distribution equipment for hydrogen energy, zero emission mobility, and industrial hydrogen markets worldwide. The company offers alkaline electrolyzers, including small, medium, and large hydrogen production units; and hydrogen storage solutions. It also designs medium and large hydrogen stations; and integrated hydrogen solutions. The company was founded in 2008 and is based in La Motte, France.
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