# Kemiwatt

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/kemiwatt

- Industry: Energy Storage & Batteries
- Headquarters: Rennes, France
- Website: www.kemiwatt.com
- Total disclosed funding: $6.1M
- Latest round: Series B (Oct 7, 2025)
- Investors on record: 2

## About

Kemiwatt is engaged in developing and producing innovative energy storage solutions, notably its organic flow battery technology, which offers sustainable alternatives for power storage across various applications.Kemiwatt, founded in 2014 and based in Rennes, France, specializes in energy storage solutions. The company launched its first organic Redox battery prototype in 2016, followed by its first industrial demonstrator in 2017. The CEO, Guillaume Chazalet, has a notable background in the energy sector. Kemiwatt raised EUR 1.2 million in March 2016 from investors Go Capital and Demeter Partners, valuing the company at EUR 3.05 million post-money. The total amount raised by the company is EUR 1.196 million, with the most recent deal occurring in March 2016.Kemiwatt specializes in the development and production of innovative energy storage solutions, particularly focusing on their flagship product, the organic flow battery. This technology utilizes biodegradable and recyclable organic molecules, providing a sustainable alternative to traditional energy storage systems. The flow battery decouples power and capacity, enabling scalable configurations suitable for microgrids, smart grids, and renewable energy integration. Kemiwatt’s products are marketed primarily within Europe, targeting clients in the bulk liquid storage sector, energy producers, and operators of microgrids and smart grid systems.Kemiwatt generates revenue through the sale of its flow batteries and associated energy storage systems, which are offered directly to B2B clients such as energy operators and grid service providers. The company establishes strategic partnerships to enhance its product offerings, contributing to revenue generation by creating tailored solutions for specific market needs. Each transaction involves custom configurations based on the client's requirements, with modular systems that can scale from tens of kilowatts to several megawatts. The pricing structure accommodates diverse sector needs, ensuring reliability and cost-effectiveness in their offerings.Kemiwatt plans to utilize its recent funding of EUR 1.2 million from March 2016 to support the design and launch of new energy storage products. The company seeks to expand its market reach beyond Europe, targeting specific regions where renewable energy integration is increasing. Future growth initiatives include developing new models that enhance scalability and efficiency, aiming for rollout in new markets by the end of 2024.

## Funding rounds

- Series B, Oct 7, 2025, $6.1M — Go Capital, Stolt Ventures

## Investors

- Go Capital — Series B
- Stolt Ventures (https://capitalatlas.ai/funds/stolt-ventures) — Series B