Top 115 Energy Storage startups 2026
The company designs, finances, builds and operates large-scale battery storage systems, including Europe''s largest 300 MW battery
Zenobe Energy is the largest independent owner and operator of battery storage in the UK. It buys and manages grid-scale batteries for its commercial customers, such as utilities and electric-vehicle operators. Hydrostor is a creator of Advanced Compressed Air Energy Storage (A-CAES) - long-duration, emission-free, economical energy storage.
EticaAG (USA) – manufactures non-flammable lithium storage systems with dielectric liquid shielding. Eclipse (France) – builds and operates utility-scale battery energy storage system (BESS) projects. XESS Energy (Australia) – offers XESS ONE, a modular inverter-based standalone grid-forming system, and XESS ION, LiFePO₄ storage.
The battery storage sector stands at the nexus of global energy transition, presenting a compelling investment opportunity driven by an accelerating shift to renewables, surging electricity demand from new industrial loads, and supportive policy frameworks worldwide.
For battery startups, several powerful currents are creating favorable conditions. The global battery market is projected to grow exponentially, driven by electric vehicles, renewable energy storage, and portable electronics.
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