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Inside South Australia’s FERM tender: Why a technology-neutral process produced an all-battery outcome

ESN Premium speaks with ASL on the latest FERM tender results in South Australia and why batteries excelled.

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European BESS M&A ‘up materially’ in Q1, market maturing and repricing risk

What is driving and shaping European BESS project financing and M&A this year?

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Established manufacturing footprint, new technology: SK On’s US BESS market strategy

SK On’s North America president tells ESN Premium about the battery company’s vertically integrated push for market share across the US.

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Modelling approaches to detecting and preventing thermal runaway risk in Li-ion BESS

Liam Critchley examines the modelling, safety standards and analytics that aim to mitigate the risk of thermal runaway in lithium-ion battery energy storage systems (BESS).

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Giga-scale Swiss data centre project will be ‘world-first’ in carving out niche for flow batteries, Invinity says

A 2.1GWh, data centre-paired vanadium redox flow battery (VRFB) project in Switzerland will be among the first of its scale that represents a specific use case for the technology, the president of design partner Invinity Energy Systems told Energy-Storage.news.

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Interviews, Analysis, Features

Enphase co-founder says solid-state transformer can ease data centre ‘power problems’

June 18, 2026

Energy-Storage.news Premium speaks with co-founder and chief products officer of microinverter and home energy storage system supplier Enphase Energy, Raghu Belur, about the company’s recent focus on solid-state transformer technology.

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Features, Interviews

Energy trader Second Foundation on owning projects and the ‘art’ of trading batteries in Germany

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

Limited synergies and profitability drive Wärtsilä’s energy storage divestment

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

14.6GWh of BESS deployed globally in May; activity up 24% in 2026 so far

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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Interviews, Analysis, Features

Wärtsilä on why AI data centres need BESS to smooth demand and avoid ‘destroying the grid’

June 12, 2026

Energy-Storage.news Premium speaks with Scott Blalock, general manager, integrated applications engineering, at BESS integrator Wärtsilä Energy Storage.

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Interviews, Analysis, Features

Energy storage ‘needs to last longer as heatwaves and data centres strain infrastructure’

June 9, 2026

ESN Premium speaks with Dr Thomas Sisto, of flow battery developer XL Batteries, about using LDES to combat grid strain from heatwaves and data centres.

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Interviews, Analysis, Features

‘This should have already been done’: Deploy Action on accelerating California DERs

June 4, 2026

Energy-Storage.news Premium speaks with Arnab Pal, executive director at nonprofit Deploy Action, about the company’s recent California polling results.

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Features, Analysis, Interviews

How to structure a US BESS manufacturing deal with Chinese partners amidst FEOC, with NeoVolta

June 3, 2026

We caught up with NeoVolta CEO Ardes Johnson about its US domestic BESS manufacturing partnership with Chinese firms Potis Edge and Longi, and how it has been structured to be FEOC compliant.

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Analysis, Features, Interviews

Why some US BESS developers are forgoing the investment tax credit

June 2, 2026

Energy-Storage.news Premium speaks with Ravi Manghani at Anza Renewables about why some BESS developers are forgoing the ITC altogether.

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Analysis, Features

‘Time to prove its potential’: Gresham House UK BESS fund at a crossroads

May 29, 2026

Managers of the UK’s largest BESS owner-operator Gresham House Energy Storage Fund (GRID) discussed recent investment news and future strategy this week.

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