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CATL sold 661 GWh of lithium-ion batteries in 2025, reports profit growth Chinese energy storage giant reports increased revenue and profits in 2025. Significant new manufacturing capacity expected to be under construction by the end of the year.
Matthew Lynas
Mar 09, 2026
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China launches first urban underground vanadium flow battery energy storage project Amid tightening regulations on the deployment of lithium-ion-based storage technologies, the first-of-its-kind project is expected to pave the way for safer energy storage installations in dense urban environments.
Marija Maisch
Mar 10, 2026
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Five trends defining the US energy storage revolution The inaugural Energy Storage Market Outlook from SEIA and Benchmark Mineral Intelligence confirms the industry added 57 GWh of capacity in 2025, with annual growth projected to reach 70 GWh this year.
Ryan Kennedy
Mar 12, 2026
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Spain completes testing of Europe’s largest research vanadium BESS Spain’s Fundación Ciudad de la Energía (Ciuden), a government energy research foundation, has completed operational testing of a 1 MW/8 MWh vanadium redox flow battery (VRFB) system at its Cubillos del Sil technology center, which it says is the largest vanadium flow battery in Europe dedicated to applied research.
Pilar Sanchez Molina
Mar 24, 2026
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From lab to grid: making LDES bankable The chemistry debates hide the real issues: Commercial readiness, technological advancement, operational flexibility, and market adaptation
Raafe Khan
Mar 27, 2026
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Titanium emerges as a vanadium alternative for redox flow batteries A Japanese-Chinese team developed a titanium molten salt redox-flow battery using abundant titanium ions and molten salt electrolytes to enable high-voltage, fast, and stable grid-scale energy storage. The system demonstrates high efficiency of over 97%, strong cycling stability, and improved cost and scalability compared to vanadium-based batteries, with further optimization underway.
Emiliano Bellini
Apr 08, 2026
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Key takeaways from ESIE 2026 (Pt 1): China storage enters a more disciplined growth phase Vincent Shaw reports from the floor of China's major energy storage tradeshow.
Vincent Shaw
Apr 10, 2026
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Envision inks $500 million finance deal following AI announcement Chinese energy company announced major funding package one week on from launch of 12.5 MWh AI battery energy storage system (BESS). Backed by more than $1 billion of finance deals in 2026 , Envision Energy is eyeing global expansion.
Matthew Lynas
Apr 13, 2026
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India awards 10.4 GW of standalone BESS capacity in 2025, but tariff viability remains a concern India allocated a total of 10.4 GW of standalone battery energy storage system (BESS) capacity in 2025, with 2-hour, 2-cycle systems accounting for the majority of this allocation. Tariffs fell sharply during the year, however.
Uma Gupta
May 19, 2026
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