Featured in And the winner is – 12-2025-01-2026

BESS: A hotbed of innovation

Jurors had a tough task selecting a battery energy storage system (BESS) award winner in 2025, with more than 60 entrants vying for the prize. Some entrants debuted entirely new approaches to energy storage, while others demonstrated continuous performance optimization, including round-trip efficiency gains, capacity utilization and degradation. This year’s winner takes an innovative approach to the C&I segment, with a modular system that breathes new life into second-hand batteries.

By

Marija Maisch

05 Dec 2025

Winner Stabl Energy, high-performance second-life BESS Stabl’s commercial and industrial (C&I) integrated battery storage system combines the benefits of second-life batteries with a novel modular multi-level converter (MMC) technology for increased efficiency and optimized sustainability. The status quo of battery storage systems is to connect multiple battery modules in series. This approach means the chain …

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