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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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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May 28, 2026
TagEnergy has commissioned a 240MW/480MWh project in France while Iberdrola has done the same with a 58MW/120MWh system in Spain, the two largest projects in each country. Meanwhile Engie, ACL Energy and Chint Solar Europe have moved to construction on projects in Belgium, Italy and Germany.
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May 28, 2026
Chinese system integrator HyperStrong has been contracted to work on a 100MW/440MWh battery storage project in Malaysia.
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May 28, 2026
RWE has received official sign-off from the AEMO and Transgrid to operate Australia’s first 8-hour BESS at full capacity.
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May 27, 2026
The California Energy Commission (CEC) has approved a 400MW/3,200MWh grid-scale battery storage project through the state planning agency’s Opt-In Certification Program.
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May 27, 2026
The US can currently produce enough solar and battery energy storage system (BESS) modules to meet domestic demand, according to clean energy trade body American Clean Power (ACP).
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May 27, 2026
Germany’s energy system regulator has confirmed that BESS projects coming online by 4 August 2029 will be exempt from charging and discharging grid fees, opening up investment again after months of uncertainty.

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