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China added 66.43 GW of new-type energy storage in 2025 CNESA says China’s new-type storage (non-pumped storage technologies) hit 144.7 GW in 2025, with 66.43 GW added.
Vincent Shaw
7 hours ago
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Envision claims AI-enabled storage systems can detect battery safety risks days in advance Envision Energy has launched a fully integrated energy storage solution combining hardware, software, and market-facing AI to optimize performance, safety, and trading. Its “Physical AI” platform embeds intelligence across cells, systems, and operations, enabling predictive maintenance and real-time market participation.
Emiliano Bellini
8 hours ago
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Moonwatt brings DC-coupled, passively cooled sodium-ion tech to solar projects The Dutch start-up, founded by former Tesla leaders, is taking a novel approach to sodium-ion battery technology, optimizing it for integration with solar power plants. Its technology is set to be deployed for the first time in a Dutch solar-plus-storage project later this year.
Marija Maisch
9 hours ago
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Testing fault at 100 MW battery disrupts Estonia–Finland power link During testing at Estonia’s 100 MW Kiisa battery park, both EstLink 1 and EstLink 2 tripped, triggering the most severe disturbance to the regional power grid since desynchronization from the Russian electricity system. As a result, nearly 1 GW of capacity was lost within seconds. The park’s owner has since publicly pointed to the battery manufacturer.
Marija Maisch
11 hours ago
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Tesvolt presents large-scale battery storage with “cyber-secure” control The Tesvolt Tallon is intended to increase the security of BESS projects against cyberattacks.
Jochen Siemer
12 hours ago
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Battery storage in Spain becomes unviable beyond 32 GWh of cumulative capacity, study finds Scientists from the University of Seville have developed real-time optimization models showing that electricity storage in Spain may be approaching its economic limit, with cumulative capacities above 32 GWh depressing prices and undermining project profitability.
Pilar Sanchez Molina
Jan 20, 2026
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Global BESS demand jumps 51% in 2025 as installations top 300 GWh Iola Hughes, Head of Research at Benchmark Mineral Intelligence, tells ESS News that 2026 is set to be another strong year for BESS, with forecast additions exceeding 450 GWh and no material supply constraints in sight. Meanwhile, the initial impact of rising lithium prices is already visible at the cell level, but the full effect has yet to ripple through to system pricing.
Marija Maisch
Jan 20, 2026
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China’s top regulators summon battery giants, warn against “below-cost” price wars and disorderly capacity build-out Four agencies told 16 leading firms to rein in irrational competition as China tightens oversight of power and storage batteries.
Vincent Shaw
Jan 19, 2026
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Sodium-ion batteries: Unigrid begins commercial-scale deliveries; Altris and Draslovka partner to scale Europe’s supply chain With lithium prices reaching a two-year high in early 2026, sodium-ion batteries are once again in the spotlight, as innovators on both sides of the Atlantic announce major milestones.
Marija Maisch
Jan 16, 2026

Opinion & Analysis

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Enervis Battery Storage Index: December revenues fall to multi-month low The index provides independent assessment of historical and potential revenues for large-scale battery energy storage systems (BESS) in Germany.
Mirko Schlossarczyk, Jonas Anthonioz
Jan 28, 2026
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Why sodium-ion can’t yet challenge lithium-ion’s reign A new generation of sodium-ion (Na-ion) battery cells has been launched as an alternative to the virtual monopoly of lithium-ion (Li-ion). Although the technology is unlikely to displace significant Li-ion market share, recent improvements make Na-ion a viable solution for certain niche applications, with potential for wider usage if cost becomes competitive.
Henrique Ribeiro
Jan 15, 2026
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Hybridization: The new paradigm for a more resilient and competitive renewable market One of the main benefits of hybridization is the ability to offer more attractive and stable energy products to clients. A hybrid PPA better covers consumption needs, reduces risks associated with the variability of a single source, and allows for more competitive long-term pricing, writes Rodrigo López, head of revenues at BNZ.
Rodrigo López
Jan 14, 2026
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Germany adds 6.57 GWh of battery storage capacity in 2025, total capacity hits 24 GWh The expansion of stationary battery storage in Germany reached an estimated 6.57 GWh in 2025, representing an 8% increase compared with the previous year. Total installed battery storage capacity in Germany now stands at around 24 GWh, according to analyses by the Battery Charts data platform of the Institute for Power Electronics and Electrical Drives (ISEA) at RWTH Aachen University.
Jonas Brucksch, Jan Figgener, Christopher Hecht, Dirk Uwe Sauer
Jan 09, 2026
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Top 5 trends shaping India’s battery energy storage market in 2025  India’s battery storage landscape underwent a decisive transformation in 2025. Across utilities, regulators, and developers, BESS moved beyond early-stage exploration and is increasingly recognized as an essential component for grid stability, renewable integration, and long-term energy planning.
Rajesh Kaushal
Jan 05, 2026
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No extremes, except one: Battery trading in a surprisingly steady November November brought calm to Germany’s power market. As volatility dropped and price spreads narrowed in a well-supplied system, battery revenues became harder to capture. Lennard Wilkening, CEO and co-founder of suena energy, unpacks what this meant for BESS operators and why multi-market coordination proved essential once again.
Lennard Wilkening
Dec 30, 2025
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Enervis Battery Storage Index: Revenues plunge to winter lows in November The index provides independent assessment of historical and potential revenues for large-scale battery energy storage systems (BESS) in Germany.
Mirko Schlossarczyk, Jonas Anthonioz
Dec 18, 2025

Press Release

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ESS press release place holder
Sunwoda reinforces long-term commitment to the Middle East at World Future Energy Summit 2026 At the World Future Energy Summit 2026, Sunwoda showcased its latest lithium-ion battery and energy storage solutions, reinforcing its growing presence in the Middle East energy storage market. The company presented a comprehensive portfolio covering high-performance battery cells and advanced liquid cooling energy storage systems, designed to support the region’s accelerating clean energy deployment. Flexible […]
Sunwoda
Jan 20, 2026
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ESS press release place holder
CATL Opens Middle East’s Largest New Energy Aftermarket Facility in Riyadh CATL opens Middle East’s first NING SERVICE Experience Center in Riyadh -currently the largest new energy aftermarket facility outside China. The facility offers comprehensive full-lifecycle after-sales support, cultivates local technical talent and accelerates the deployment of advanced electrification and energy storage solutions. It also functions as a regional ecosystem hub linking diverse stakeholders and resources to drive industrial synergy and sustainable growth.
CATL
Jan 12, 2026
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ESS press release place holder
ADS-TEC Energy Ends the Year With New Battery Energy Storage Wins in Germany and Austria Contracts signed in December total 20 MW / 40 MWh
ADS-TEC
Jan 02, 2026
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ESS press release place holder
Sunwoda’s one-millionth 684 Ah energy storage cell rolled off the line, delivered The LFP cell has an energy density of over 440 Wh/L, and a million battery cells have been made within three months.
Sunwoda
Dec 29, 2025

Technologies

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Moonwatt brings DC-coupled, passively cooled sodium-ion tech to solar projects The Dutch start-up, founded by former Tesla leaders, is taking a novel approach to sodium-ion battery technology, optimizing it for integration with solar power plants. Its technology is set to be deployed for the first time in a Dutch solar-plus-storage project later this year.
Marija Maisch
9 hours ago
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Sodium-ion batteries now competitive in niche markets Sodium‑ion batteries are emerging as a safer, lower-cost alternative to lithium‑ion, with a recent international study highlighting their competitiveness in stationary energy storage. The research shows that ongoing investment and supply-chain development could enable broader adoption within the next decade.
Emiliano Bellini
Jan 28, 2026
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Scientists design low-cost sodium-ion battery with cheap electrode materials Conceived for stationary energy storage, the proposed sodium-ion battery configuration relies on an P2-type cathode material and an hard carbon anode material that reportedly ensure full-cell performance. Electrochemical testing revealed initial capacities of 200 mAh/g for the cathode and 360 mAh/g for the anode with capacity retentions of 42% and 67.4% after 100 cycles.
Emiliano Bellini
Jan 23, 2026
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Market-driven battery storage delivers major economic gains, study finds Utility-scale batteries provide macroeconomic benefits through market-based operation, though regulatory shifts are needed to optimize grid support.
Ralph Diermann
Jan 22, 2026
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Noon Energy demonstrates 100+ hour ultra-long-duration energy storage system The pilot showcases a reversible solid oxide fuel cell battery and represents the first fully containerized, modular ultra-LDES system to be operated for thousands of hours, achieving more than 200 hours of energy storage capacity.
Marija Maisch
Jan 21, 2026
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