
ACME Solar in India secures 550 MWh battery energy storage purchase agreements with NHPC
ACME Solar Holdings has secured battery energy storage purchase agreements (BESPA) with NHPC for a total contracted capacity of 275 MW/550 MWh across two standalone battery energy storage system (BESS) projects in Andhra Pradesh.
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CATL lawsuit threatens IPO of Hithium
China’s Contemporary Amperex Technology Co. Ltd. (CATL), the world’s largest battery manufacturer, has filed a lawsuit accusing Hithium, a fast-growing rival, of unfair competition – a move that could jeopardize the latter’s upcoming initial public offering (IPO) in Hong Kong.

“Grid-forming technology is no longer experimental – it’s here and working”
In grids increasingly dominated by renewables, grid-forming technology is emerging as critical tool for maintaining stability and ensuring reliable power system operation. In this interview with ESS News, Rui Sun, Sungrow’s Deputy General Manager-Grid Technology Center, explains how grid-forming works, why it matters, and where the technology is already proving its value. He elaborates on technical challenges, regulatory gaps, and why grid-forming could soon become the new industry standard.
Jul 07, 2025
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Innovatium secures £3m investment from Hitachi and Scottish National Investment Bank for its liquid air energy storage technology
Scottish clean tech company Innovatium Limited has secured investment from global industrial innovator Hitachi Industrial Equipment Systems Co., Ltd. (hereinafter, HIES) and Scottish National Investment Bank (hereinafter, the Bank) to accelerate the deployment of its award-winning PRISMA™ Advanced Liquid Air Energy Storage (LAES) system, for industrial and grid-scale applications.

Jinko ESS delivers SunGiga units to commercial projects in Yueqing, Wenzhou
Leading energy storage company Jinko ESS, a subsidiary corporation of Jinko Solar Co., Ltd., has announced it successfully delivered 8 units of SunGiga 261kWh C&I storage cabinets to cooperation with Zhejiang Haineng PV Co., Ltd. These systems were deployed in Yueqing, Wenzhou, to provide energy storage support for local hotels, restaurants, and internet cafés. Through […]

Why the strategy is key: Lessons from real-world benchmarks
Maximizing value from battery energy storage systems (BESS) isn’t just about having the right hardware – it’s about executing the right strategy. Lennard Wilkening, CEO and co-founder of Germany's suena energy, explores what makes standalone BESS profitable in increasingly competitive and volatile market, and what real-world benchmarks, such as suena’s monthly revenue update, reveal about the role of dynamic multi-market optimization.
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Battling battery imbalance
Imbalances – when battery components fail to operate in unison – are a recurring challenge in energy storage projects. Kai-Philipp Kairies, CEO of Accure Battery Intelligence, examines the root causes of imbalances, their effects on operations and return-on-investment, and actionable best practices to mitigate them.

Storage recognized as ‘strategic’ in Spain’s new regulation, as AEPIBAL comments
The Spanish Battery Energy Storage Association (AEPIBAL) says the new regulation represents a major step forward, unlocking several long-standing bottlenecks that have hindered secure and legally sound deployment of storage projects.

In a world of low-cost batteries, performance matters
Oversupply of lithium-ion battery precursor and active materials – and of lithium iron-phosphate (LFP) batteries, especially in China – has driven energy storage system costs down, fueling a record 330 GWh of battery energy storage system (BESS) shipments in 2024. Edward Rackley, head of the energy storage team at Business intelligence specialist CRU, shares his analysis.
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5 GW of grid-forming batteries and synchronous condensors to underpin transition for network operator TransGrid in Australia
Transgrid, Australia's largest electricity transmission network operator, working in the state of New South Wales, has chosen grid-forming batteries and synchronous condensors as its preferred system strength technologies to support the grid.

What’s behind the aging mechanism of sodium-ion batteries
Researchers in China have used electrochemical impedance spectroscopy to analyze the state of health of sodium-ion batteries. Extracting four features from the measurements, they were able to create a machine learning model for a temperature-resistant state of health estimation method.
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