As we welcome the end of another year and greet the next, here are the top 10 most-read news stories from 2025.

Cell manufacturing overcapacity and intense competition contributed to an 8% decline in the average cost of lithium-ion battery packs, according to BloombergNEF.

Chinese energy storage companies active in the US face an uncertain future as federal policies encourage moves to reduce their supply chain involvement.

ESN Premium’s deep dive into Japan continues with a look at the complexities of an evolving market underpinned by strong drivers for energy storage.

Japan’s energy storage market is experiencing a wave of significant growth, as ESN Premium hears from Eku Energy and BloombergNEF.

US energy storage markets could see a “last-minute rush” followed by plummeting installation numbers if tax credit incentives are cut.

BloombergNEF (BNEF) has found that utility-scale BESS uptake in Australia could increase eightfold to 18GW in 2035, up from 2.3GW in 2024.

BNEF analyst Isshu Kikuma discusses trends and market dynamics impacting the cost of energy storage in 2024 with ESN Premium.

A growing industry trend towards larger battery cell sizes and higher energy density containers is contributing significantly to falling battery energy storage system (BESS) costs. 

Some long-duration energy storage (LDES) technologies are already cost-competitive with lithium-ion (Li-ion) but will struggle to match the incumbent’s cost reduction potential.