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Through honest innovation, we are building the energy storage solutions of tomorrow: safer, more sustainable, cost-effective, and recyclable today. At the core of this effort lies a key advancement that redefines what’s possible with traditional battery chemistry.
Innovating on the 70-year-old alkaline battery chemistry, we made it rechargeable and scalable for stationary storage, opening up new deployment opportunities.
Based in Stockholm, we aim to meet the growing demand for safe, sustainable energy storage—and help build a future where everyone has access to clean energy.
Thestationary energy storage market is growing rapidly due to more renewables,electrification, and the need for grid resilience. By 2035, global demand isexpected to hit 400 GWh, with Europe making up 13%. To meet COP28 targets fortripling renewables by 2030, energy storage must grow six-fold.
To meet this growingdemand, Enerpoly offers a scalable solution. Our proprietary zinc-iontechnology is safer, more affordable, and easier to scale—built on Europeansupply chains and made with globally abundant materials. By leveraging Europeanequipment and localizing raw material sourcing, we’re helping build a moreresilient and diversified energy system for Europe. By adapting to industry processes, we can successfully scale out of lab and achieve competitiveness.
Enerpoly was built for long-term viability—using materials and processes that are sustainable and scalable. We’ve launched operations at the Enerpoly Production Innovation Center (EPIC), the world’s first zinc-ion battery megafactory.
This state-of-the-art facility establishes a fully European supply chain, positioning Europe as a future zinc-ion hub and reinforcing Sweden’s role in clean energy innovation. The current megafactory serves as a blueprint for future gigafactories, with expansion plans aligned to market needs and strategic priorities. This geographic and industry-focused approach enables Enerpoly to address regional demands and tap into emerging markets for sustainable energy storage.
Enerpoly acquires 100% European equipment to scale zinc-ion battery production and launches the Enerpoly Production Innovation Center (EPIC), the world's first zinc-ion battery megafactory, in Sweden.
Enerpoly secures €11.1M in non-dilutive financing and launches work to build the Enerpoly Production Innovation Center (EPIC), the world's first megafactory for zinc-ion batteries.
Enerpoly assembles its first commercial prototype zinc-ion battery cell, completes external UL 9540A test demonstrating fire safety to 400°C+, and raises $1.5M in seed round.
Enerpoly grows team size to 10 and establishes 100 kWh/yr production validation line at Greenhouse Labs in Stockholm, Sweden.
Eloisa de Castro joins as CEO, and Enerpoly secures €2M in grant funding from the European Innovation Council and Swedish Energy Agency.
Enerpoly files its first patent and collaborates with partner Höganäs AB on materials development.
Dr. Mylad Chamoun invents critical component enabling viability of zinc-ion batteries at Stockholm University and founds Enerpoly with sustainability innovator and former colleague Dr. Samer Nameer.
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We believe everyone should have access to clean energy. Our sustainable, reliable and incredibly cost efficient batteries make the world just a little bit brighter.
