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Features, Analysis
August 18, 2026
What are the technology improvements of the 4th generation of LFP batteries, and what do they mean for BESS applications?
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Features, Interviews
August 13, 2026
ESN Premium learns about Hong Kong’s role as a bridge between China and the world, from energy storage solution provider RelyEZ and investment promotion agency InvestHK.
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Features, Analysis
August 5, 2026
Elestor claims its hydrogen-iron flow battery delivers 75%+ round-trip efficiency, a 20-25 year lifespan, and 15€/kWh capex for long-duration storage. 
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Features, Interviews
August 4, 2026
ESN Premium speaks with Fluence’s Jeff Monday and Sam Markham on the opportunity battery energy storage could provide data centres in Australia.
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Features, Interviews
July 30, 2026
How do Chinese OEMs respond to evolving customer requirements and new risks that come with business outside their home market? We sat down with executives from Rept Battero at Intersolar in June to discuss. 
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Features, Analysis
July 28, 2026
In this deep-dive, we go through and analyse all of the technical features and claims of CATL’s new sodium-ion grid-scale BESS product, including its ‘millisecond-level self-healing’.
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Features, Analysis
July 16, 2026
We analyse recent details that have emerged on battery OEM CATL’s zero-degradation BESS technology, which was first announced two years ago.
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News
July 15, 2026
Some 9.1GW/33.5GWh of large-scale BESS came online globally last month, with Saudi Arabia accounting for over one-third of the figure.
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Features, Interviews
July 15, 2026
ESN Premium speaks with Ben Potter at CO2 Battery startup Energy Dome about the company’s latest project with Google and why the market is turning in favour of long-duration energy storage (LDES).
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Features, Analysis
July 10, 2026
Liam Critchley takes a deep dive into battery state of health (SoH), one of the most important metrics for battery storage operational and lifecycle management.