H2Gremm is a brand that focuses on achieving energy autonomy for individual homes and small communities. They offer an eco-responsible solution for energy self-consumption, along with a local sharing ecosystem for self-produced hydrogen resources. Their goal is to provide a simple and cost-effective system that optimizes the use of renewable energy and significantly reduces energy bills.

H2Gremm aims to achieve high levels of electrical and thermal autonomy (>80%) throughout the year, while also contributing to hydrogen-based mobility and reducing carbon footprint. Their concept revolves around a modular solution that can be applied to both new construction projects and renovations. H2Gremm values French and European technologies and suppliers, reduces the use of strategic or hard-to-recycle materials, and ensures user-friendly advanced technologies with simplified maintenance.

They collaborate with local and national partners to support their development and share the latest news and updates through their blog. With a name derived from the Breton language, H2Gremm represents green energy derived from solar power and water, making it an environmentally friendly and sustainable choice for energy needs