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Sodium-ion batteries
ESS Tech to add 8.5 GWh of US-made sodium‑ion batteries to its portfolio ESS Tech is complementing its iron flow storage offering, which is engeeneered for the 8–24 hour long-duration segment, with sodium-ion battery products aimed at short and medium-duration applications.
Marija Maisch
Apr 30, 2026
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Grid-scale
Australia’s market operator Q1 2026 report highlights 4.4 GW of grid storage coming online boosting renewables The battery boom in Australia at grid-scale and the residential sector is changing the face of the grid, with data showing the scale of the shifts across Australia's east.
Tristan Rayner, Ev Foley
Apr 30, 2026
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Products
Gotion unveils 5 MW/18.8 MWh ensclosed battery storage system While the exact specifications of the new product, such as dimensions and weight, haven’t been disclosed, available imagery suggests potential transportation challenges.
Marija Maisch
Apr 30, 2026
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Grid-scale
US grid operator PJM reopens interconnection process: 67 GW+ of storage in the queue Grid operator PJM has reopened its standard interconnection process to new generation projects, after closing the standard process to new applicants in 2022 to completely clear its backlog.
William Driscoll
Apr 30, 2026
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Opinion & Analysis
Enervis Battery Storage Index: German BESS revenues rebound in March amid Middle East tensions The index provides independent assessment of historical and potential revenues for large-scale battery energy storage systems (BESS).
Mirko Schlossarczyk, Jonas Anthonioz
Apr 29, 2026
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Projects & Applications
Longi completes its fully integrated battery storage project in Europe Longi has completed grid connection and begun operations of its 13.75 MW/50.16 MWh BESS project in central Italy, while also launching a service centre in Madrid.
Sergio Matalucci
Apr 29, 2026
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Manufacturing
587 Ah vs. 588 Ah: the difference is more than 1 Ah The new LFP formats reflect two competing paths for large-scale storage: standardization first, or long-duration optimization.
Vincent Shaw
Apr 29, 2026
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Sodium-ion batteries
New partnership advances sodium-ion manufacturing in Spain In a week marked by the largest sodium-ion battery order to date, widely seen as a watershed moment for the technology’s commercialization at scale, one of Europe’s emerging players, Spain’s Bihar Batteries, is strengthening the outlook for European-made sodium-ion batteries.
Marija Maisch
Apr 29, 2026
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Grid-scale
Chile reaches 4.6 GW of energy storage under construction The March 2026 Energy Sector Construction and Investment Projects Report, released by the Chilean Ministry of Energy, records 38 storage systems under construction, for 4,597 MW and 18,780 MWh.
Luis Ini
Apr 29, 2026
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