400 MWh BESS in Hamburg begins construction
Swedish company Flower aims to realize the largest storage system to date in a major German city. It is scheduled to enter commercial operation in late 2028, at which point Engie will take over market optimization. A corresponding Flexibility Purchase Agreement has already been signed.
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Battery diagnostics expert urges earlier fire detection for grid-scale BESS
A battery diagnostics specialist says grid-scale battery energy storage system (BESS) safety should focus more on detecting early warning signs in operational data than adding more sensors or fire suppression equipment after high-profile incidents.
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Enervis Battery Storage Index – German BESS revenues stay high in June
German battery storage revenues held at a high level in June, rising to around €18,000 ($20,500)/MW as strong solar output and heatwave-driven price spikes boosted spot and ancillary market earnings, according to enervis energy advisors' monthly Battery Storage Index.
India’s battery recycling industry must move beyond black mass
India is expanding battery recycling capacity, but most recyclers stop at producing black mass, leaving higher-value refining and critical mineral recovery largely to overseas processors, says Manikumar Uppala, chief of industrial engineering at Metastable Materials.
Heatwave, weak wind push battery revenues higher in June
June brought another month of scarce but favorable market conditions for battery trading, as high temperatures, weak wind generation and a prolonged heatwave continued to shape electricity markets and influence price dynamics across wholesale and ancillary service markets. Lennard Wilkening, CEO of Suena Energy, explains what drove the market and why dynamic multi-market optimization remains key to capturing value.
India’s battery storage market faces volatility, seeks new growth
India’s severe heatwaves in April and May, followed by a delayed southwest monsoon, have highlighted the growing challenge of balancing one of the world’s fastest-growing renewable power systems. As solar capacity continues to expand and grid constraints become more apparent, India’s battery energy storage sector is at a pivotal stage.
A different kind of volatility: Battery revenues remain strong in May 2026
April was defined by solar-driven oversupply and recurring negative prices. May told a different story. Wind generation dropped sharply, wholesale prices climbed, and ancillary services gained importance as the system searched for flexibility. Yet battery revenues barely moved. Lennard Wilkening, CEO of suena energy, explains why this is another reminder that successful battery trading depends less on any single market regime than on the ability to adapt across them.
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Jinko ESS Expands in the Middle East Through Strategic Partnership with Innovative Efficient Solutions (IES)
Jinko ESS, a global leading energy storage provider and a subsidiary of JinkoSolar Co., Ltd., is pleased to announce the signing of a distribution agreement with IES (Innovative Efficient Solutions), supplying SunGiga G2 liquid-cooling energy storage systems in Middle East.
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Pramac to showcase battery energy solutions at The smarter e Europe 2026
The company’s latest solutions for battery storage and hybrid systems support renewable integration and grid stability. Pramac’s booth will offer event visitors a comprehensive view of advanced energy systems for commercial, industrial, and rental applications.
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JA expands energy storage footprint with multiple JAPlanet deployments across Europe
Since its introduction at the end of 2025, the JAPlanet battery energy storage system has seen strong early uptake, with multiple systems already installed in Italy, Germany, the Netherlands, and Lithuania, alongside a confirmed pipeline of additional projects across Europe.
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New electrode design by German institutes increases battery energy density by up to 15%
Fraunhofer ISE and its partners have developed thicker electrodes that could increase battery cell energy density by 10% to 15% without adding weight. The PFAS-free, solvent-free concept has been demonstrated in lithium-ion, sodium-ion, and zinc-ion cells and is designed for cost-effective mass production.
UNIGRID completes Hyundai accelerator test of sodium-ion cells
UNIGRID has completed technology validation of its sodium chromium oxide (NCO) sodium-ion cells through Hyundai Motor Group's ZER01NE Accelerator program, with Hyundai planning to jointly develop a sodium-ion battery energy storage system (BESS).
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