Energy-Storage.news speaks with Elliot Mainzer, president and CEO of CAISO, about the ISO’s newly launched Extended Day-Ahead Market.
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What are the system needs that LDES is going to solve, and what technologies are most appropriate for those applications?
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Lithium-ion battery cell degradation is one of the things that makes BESS a more complicated asset to manage than other clean energy technologies.
Australia has installed 380,712 home battery storage systems, representing 10.7GWh of storage capacity, since the introduction of the Cheaper Home Batteries Program last year, Chris Bowen, Australia’s minister for climate change and energy, has disclosed.
Norway-headquartered ESS-focused battery startup Morrow has filed for bankruptcy, in another blow to Europe’s domestic battery industry.
IPP R.Power has enlisted power firm Axpo to optimise a 300MW/1,200MWh BESS in Poland, one of the largest such deals seen in Continental Europe.
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 8, 2026
Independent power producer (IPP) Innergex and system integrator Prevalon Energy have energised the San Andrés II battery energy storage system (BESS) in Chile.
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May 8, 2026
Denmark-headquartered independent power producer (IPP) Ørsted has purchased a 150MW battery energy storage system (BESS) in Michigan, US, from developer ESA Solar Energy.
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May 8, 2026
Leading European BESS owner-operators discuss the roles of subsidy schemes, contract revenues and merchant approaches in helping the continent build out its BESS pipeline.
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May 8, 2026
Australian utility AGL has said adding its Liddell and Tomago BESS to its existing coal-fired generation could boost portfolio returns by 10%
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Analysis, Features
May 7, 2026
The business model for battery energy storage systems (BESS) in the US is changing rapidly, according to industry experts who gathered recently to discuss revenue strategies and market conditions.
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May 7, 2026
Organic flow battery company CMBlu Energy has closed a €50 million (US$58.76 million) Series C financing with participation from Samsung Ventures.
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May 7, 2026
Large-scale BESS projects have been completed or progressed in Bulgaria, Moldova, North Macedonia and Romania, including what is now the largest operational system in the CEE region.
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May 7, 2026
Sungrow’s BESS and grid-forming power conversion system (PCS) combined established system voltage within 19 seconds during black-start testing at the company’s newly established large-scale, plant-level grid-forming field test base.
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May 6, 2026
Queensland has become the first state in Australia’s National Electricity Market (NEM) to discharge over 100GWh from utility-scale battery storage systems in a single month.
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Features, Interviews
May 6, 2026
We catch up with James Mills, managing director of UK BESS investor Adaptogen Capital, about UK market dynamics, its expansion into Europe, and BESS capex in 2026 and beyond.

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