Battery energy storage systems (BESS) have emerged as the defining feature of Australia’s Capacity Investment Scheme (CIS) Tender 7, with 2GW/7.9GWh of co-located energy storage successful.
Invinity Energy Systems has been enlisted to design and deliver the world’s largest flow battery, for a data centre project in Switzerland currently under construction by Flexbase.
The US installed 9.7GWh of new battery energy storage system (BESS) capacity, according to the US trade association group, the Solar Energy Industries Association (SEIA).
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The situation and uncertainty around grid connections and grid fees in Germany is evolving, possibly enabling market participants to look beyond the August 2029 grid fee exemption cut-off date – although uncertainty is still very high.
“Policy and market frameworks must evolve” in ASEAN countries to unlock the full value of energy storage in the region’s energy transition, according to a new report.
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At a recent industry event hosted by market research firm Wood Mackenzie, energy storage experts discussed their approaches to public engagement, especially around addressing fire and other safety concerns.
We caught up with the CEO of owner-operator BW ESS, Erik Strømsø, about the firm’s next deployment plans, tolling trends, procurement and LDES, with its 11.5-hour Bannaby BESS in Australia further proof of lithium-ion’s long-duration potential.
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May 29, 2026
In this Energy-Storage.news roundup, a collection of battery energy storage system (BESS)-related announcements from NeoVolta, Goshe Energy Storage, Frontier Power USA and Stella Energy Solutions, and Prevalon Energy.
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Analysis, Features
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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May 29, 2026
The German network regulator’s decision to maintain grid fee exemptions for battery storage “ensures that billions in private investment remain directed” into the market, Energy-Storage.news has heard.
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News
May 29, 2026
We hear from Clean Horizon about the consultancy’s European battery storage revenue index being added to Nord Pool’s Data Portal.
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May 29, 2026
Ausgrid has submitted its 150MW/300MWh Berkeley Vale BESS to the Australian government’s EPBC Act for federal environmental assessment.
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May 29, 2026
South Australia’s first Firm Energy Reliability Mechanism (FERM) tender has awarded agreements to six battery energy storage projects totalling 1,334MW and 5,336MWh.
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Analysis, Features, Interviews
May 28, 2026
Energy-Storage.news Premium speaks with Brattle Group’s Andrew Levitt and Dr Long Lam, about PJM and managing load growth.
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May 28, 2026
The Electric Reliability Council of Texas (ERCOT) has initiated a programme to encourage battery energy storage systems (BESS) and other inverter-based resources to adopt grid-forming technology.
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May 28, 2026
LG Energy Solution’s US battery storage system integrator arm has signed a 1.5GW/6GWh deal with Michigan utility DTE Energy.
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May 28, 2026
IPP ContourGlobal has put a solar-plus-storage project in Chile with a 6.5-hour BESS into commercial operation in Chile.

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