The new 12.5 kWh pack-based design supports flexible configuration up to 250 kWh per system. An optional long-duration combiner box supports 2–4 clusters, expandable to 1,000 kWh and 8 hours of storage. November 27, 2025 Marija Maisch Image: Sungrow From ESS News Chinese inverter and battery manufacturer Sungrow has introduced its latest commercial and industrial (C&I) battery energy storage solution, the PowerKeeper series, offering a one-stop DC-coupled system with a modular design....

After last year’s slowdown, investment in China’s sodium-ion battery sector is rebounding in 2025, and one of the biggest projects yet has now entered the development pipeline. November 24, 2025 Marija Maisch Image: Southern Power Grid From ESS News While many lithium-ion battery manufacturers in China are sold out and struggling to keep pace with demand from the energy storage sector, investment is increasingly flowing not only to the ubiquitous lithium-ion technology but also, and substant...

Engie has fully commissioned its 200 MW/800 MWh battery in Vilvoorde, Belgium, and is assessing a potential 100 MW/400 MWh expansion while advancing additional large-scale storage projects. November 21, 2025 Marija Maisch Image: Engie From ESS News Just a few weeks after starting commercial operation of the first half of its battery park in Vilvoorde, Engie has also connected the second 100 MW/400 MWh portion to the high-voltage grid. This milestone marks the full commissioning of the entire...

LCP Delta and Energy Storage Europe say installed storage capacity across the European Union, the United Kingdom, Norway, and Switzerland will exceed 100 GW this month, with battery systems driving the fastest growth. November 19, 2025 Marija Maisch Image: Energy Storage Europe From ESS News The European Union, the United Kingdom, Norway, and Switzerland together are expected to reach 100 GW of installed energy storage later this month, according to new analysis by LCP Delta and Energy Storage E...

Tesla says its recall and replacement effort stems from a contained battery-cell defect that has raised safety concerns in both the United States and Australia. November 14, 2025 Marija Maisch Image: Tesla From ESS News Tesla has issued a recall notice for its fully integrated Powerwall 2 AC battery energy storage system and initiated a replacement program for roughly 10,500 affected units in the United States. The US Consumer Product Safety Commission reported that Tesla has received 22 report...

November 7, 2025 Marija Maisch...

Fluence Energy says it will supply a 1 GW/4 GWh battery energy storage system for German power producer Leag, marking both Europe’s largest such project and the company’s biggest single installation to date using its Smartstack platform. November 7, 2025 Marija Maisch Image: LEAG From ESS News German energy company Leag has partnered with and Fluence Energy GmbH, the German subsidiary of US-based Fluence Energy, on a 1 GW/4 GWh system in Jänschwalde, marking Germany’s first officially ann...

Exide Technologies has launched its 5 MWh Solition Mega Five system for commercial, industrial, and utility-scale storage, featuring liquid cooling and advanced grid integration options. October 31, 2025 Marija Maisch Image: Exide From ESS News France-based Exide Technologies has announced a new energy storage solution designed for commercial, industrial and utility-scale energy storage applications. The 5 MWh Solition Mega Five features 625 Ah lithium iron phosphate (LFP) cells in a 20-foot con...