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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.
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News
July 7, 2026
System integrator HyperStrong will deploy sodium-ion BESS first in its home market of China, before bringing a product to the international markets, its president of technology said.
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Features, Interviews
July 3, 2026
We sat down with Lars Stephan, EMEA director of marketing, policy and public affairs for system integrator Fluence, to discuss energy storage, data centres and cybersecurity at Intersolar last month.
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Features, Analysis
July 2, 2026
State of charge (SOC) is on the face of it a straightforward measurement for batteries and BESS. But in reality, it’s highly complex and under- or over-reporting still happens in the industry, leading to under-performance and losses in revenue.
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Features, Interviews
June 25, 2026
ESN Premium speaks with Nextpower CEO Dan Shugar and Prevalon’s Tom Cornell about the solar PV solutions company’s (re)entry into the energy storage space.
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News
June 24, 2026
ESN Premium heard from executives at battery energy storage system (BESS) firms Rept and Fluence on the EU funding ban on Chinese inverters in solar and BESS projects.
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Features, Interviews
June 18, 2026
We chat to Stephan Lehrke, head of Germany at Second Foundation, a Czech Republic-headquartered energy asset trading firm which is becoming an owner-operator of BESS.
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Features, Analysis
June 17, 2026
Wärtsilä spinning out its energy storage activities and divesting a 50% stake this week reflects difficulties in making the business profitable and synergistic within the wider group activities, analysts said.
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News
June 17, 2026
Around 4.9GW/14.6GWh of large-scale BESS came online in May, with a much more balanced regional breakdown than usual.
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News
June 12, 2026
What is driving and shaping European BESS project financing and M&A this year?