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Fortum seeks permits for 864 MW of pumped hydro storage in Sweden The decision for Fortum to proceed with its two pumped hydro storage projects depends on the Swedish Land and Environment Court. No investment decisions have been made so far.
pv magazine
2 hours ago
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Next Kraftwerke and Eco Stor sign tolling deal for 300 MW German BESS A five-year tolling agreement covering 80% of the Förderstedt project's capacity gives Germany's largest planned battery storage system a contracted revenue base before its first block enters service in November, with the remaining 20% left exposed to merchant market signals.
Petra Hannen
2 hours ago
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Poland’s capacity market supports BESS investment, OX2 joins with 120 MWh project Swedish developer's first foray into Polish energy storage market follows success in capacity market auction. Green Capital S.A. and Prime Captial AG also announce joint venture to build two projects with capacity market contracts.
Matthew Lynas
3 hours ago
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Invergy opens 3 GWh BESS factory in India Invergy has opened what it describes as India's largest battery energy storage factory in Uttar Pradesh, a 3 GWh, fully automated plant backed by more than INR 2 billion ($20.9 million) in investment from parent company GP Eco Solutions.
Uma Gupta
4 hours ago
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SolarEdge launches 197 kWh commercial battery system in Italy SolarEdge is pushing further into the European commercial and industrial (C&I) storage market with a 197 kWh outdoor-rated battery system now available in Italy, scalable to 4 MWh per site and paired with the company's existing inverter lineup.
Lara Morandotti
4 hours ago
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Ola Electric to expand battery cell capacity to 20 GWh by next year Ola Electric Mobility plans to expand its battery cell manufacturing capacity from 6 GWh to 20 GWh by next year, supported by fresh capital raised at the cell manufacturing entity level, according to Bhavish Aggarwal, the company’s founder, chairman, and managing director.
Uma Gupta
Jun 01, 2026
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CATL opens large-scale energy storage validation platform in Xiamen The facility will test grid integration, safety, reliability, combustion and EMC performance for storage systems.
Vincent Shaw
May 29, 2026
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Lidl launches 2.24 kWh battery in Germany for €299 The battery supports 1,000 W input and 800 W output, is compatible with most balcony PV systems, and can be optionally app-controlled via a dedicated app.
Sandra Enkhardt
May 20, 2026
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EU funding ban on high-risk inverters, including Chinese suppliers, extends to BESS PCS [UPDATED] The new policy has already applied, and impacts billions in funding from the European Investment Bank on renewable projects including standalone and co-located storage.
Tristan Rayner
May 04, 2026

Opinion & Analysis

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When the battery becomes a balance sheet question Why robust insurance and risk transfer should be considered a cornerstone of bankability. Niclas Werthmöller of Breffka & Hehnke explains.
Niclas Werthmöller
Jun 01, 2026
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Enervis Battery Storage Index: German BESS revenues rose further in April amid higher PV output and 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
May 29, 2026
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Flexibility Pays: Battery revenues in April 2026 April 2026 combined surging negative prices, growing midday solar oversupply, and elevated market volatility into some of the strongest battery trading opportunities seen so far this year. Lennard Wilkening, CEO and co-founder of suena energy, explains why increasingly persistent oversupply is reshaping not just battery trading strategies but also the growing importance of battery storage in a renewable-dominated power system.
Lennard Wilkening
May 28, 2026
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Betting on batteries: addressing intermittent inefficiencies at scale Paul Sheffield is Chief Commercial Officer at UK power generator Drax.
Paul Sheffield
May 28, 2026
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Rechargeable zinc batteries: Overcoming challenges and finding opportunities   Josef Daniel-Ivad from the Zinc Battery Initiative updates the current scaling of zinc battery manufacturers and technology.
Josef Daniel-Ivad
May 18, 2026
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Batteries: The game has changed – and it’s not what you think A single benchmark no longer exists. In some cases, charging speed is what matters; in others, it is energy density, and in still others, cost and scalability. In other words, the battery is ceasing to be a simple component. It is becoming the transversal energy infrastructure of the next industrial cycle. And those who can control not only the technology but also production, integration, and the grid will have an advantage that will be difficult to recover.
Mauro Moroni
Apr 30, 2026
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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

Press Release

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ESS press releases
JDEnergy named BloombergNEF Tier 1 energy storage manufacturer for fifth consecutive quarter JDEnergy has once again been named a BloombergNEF Tier 1 energy storage manufacturer in the Q2 2026 ranking, marking its fifth consecutive quarter on the list and further reinforcing its position among the world’s leading energy storage solution providers. BloombergNEF’s Tier 1 classification is widely regarded across the global energy storage sector as an important […]
pv magazine
May 31, 2026
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ESS press releases
HyperBlock M Awarded Certifications from TÜV Rheinland, Accelerating its Global Expansion At the 14th Energy Storage International Conference and Expo (ESIE 2026), which concluded in Beijing at the beginning of April, HyperStrong announced that the HyperBlock M modular energy storage system has been awarded seven certifications by TÜV Rheinland, including TÜV Bauart Mark and CE certifications. These certifications represent a significant milestone, demonstrating the system’s compliance […]
HyperStrong
Apr 30, 2026
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ESS press releases
Sunwoda and EcoSourcen Deliver One of Belgium’s Largest Distribution-Grid Battery Storage Parks Sunwoda, together with its key partner EcoSourcen, has announced the completion of a 10MW/55MWh battery energy storage project in Deinze, Belgium. The project, one of the largest battery parks connected to the Fluvius distribution grid, marks a significant step in Sunwoda’s localization efforts in Europe.
Sunwoda
Apr 29, 2026
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ESS press releases
JDEnergy: Unlocking New Opportunities in Pakistan’s Energy Storage Market On April 15, 2026, JDEnergy successfully hosted its overseas webinar, “Unlocking Energy Storage in Pakistan.” The event brought together leading energy experts and industry representatives to explore the critical role of energy storage in Pakistan’s energy transition, as well as practical pathways for market entry and project deployment in 2026.
JDEnergy
Apr 20, 2026

Technologies

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MIT team develops room-temperature lithium process from spodumene A low-temperature process that dissolves spodumene ore with a common industrial reagent and recovers lithium, aluminum, and silica streams in a closed loop could cut hard-rock lithium extraction costs by roughly half, say MIT researchers.
Brian Publicover
Jun 01, 2026
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CATL opens large-scale energy storage validation platform in Xiamen The facility will test grid integration, safety, reliability, combustion and EMC performance for storage systems.
Vincent Shaw
May 29, 2026
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Nextpower gets into energy storage: $365M for Prevalon Energy, with 6 GWh installed and AI data center deals Nextpower joins the BESS market with an eye on the enormous opportunity as the AI data center build-out continues to rely on power.
Tristan Rayner
May 29, 2026
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Inlyte Energy plans pilot projects to prove its iron-sodium battery technology for AIDC and ESS applications The California-based company says its technology is the perfect match for data centers, providing low-degradation long-duration energy storage while serving as a middle layer between the grid and highly volatile power needs of data centers. Now it’s set to prove it.
Ben Zientara
May 26, 2026
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Invinity supplies large-scale vanadium flow storage for Flexbase project in Switzerland The Flexbase Group is currently building a large data center for artificial intelligence in Laufenburg, along with a flow battery with a capacity of 800 MW and 1600 MWh. This vanadium flow battery will be supplied by the British-Canadian company Invinity.
Petra Hannen
May 22, 2026
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