Eastman introduces integrated inverter-battery system for solar users
India’s Eastman Auto & Power has unveiled a plug-and-play inverter with a built-in lithium-ion battery, targeting simpler and more efficient solar use for households and small businesses.
Shell, QAES unveil immersion-cooled battery system in China
Shell and Chongqing-based QAES have introduced what they call the world’s first immersion-cooled battery system, adapting data-center cooling methods to grid-scale energy storage.
India reaches 490 MWh energy storage capacity by June 2025
Policy incentives and hybrid solar-plus-storage projects are accelerating India’s energy storage sector despite a slowdown in first-half installations.
Germany wraps up solar-plus-storage tender with average price of €0.0531/kWh
Germany has concluded a new renewables tender for innovative projects, securing 485 MW of capacity at final prices ranging from €0.0479 ($0.0557)/kWh to €0.0559/kWh
Sungrow initiates Hong Kong listing, targets $126.7 million raise
As part of a dual-listing strategy, the Chinese manufacturer has officially filed its application for an initial public offering on the main board of the Hong Kong Stock Exchange, aiming to fuel its global expansion.
Operational faults cut returns in 19% of battery storage projects
A recent report from battery intelligence firm Accure reveals that while most battery energy storage systems (BESS) operate reliably, nearly 19% of projects experience reduced returns due to technical issues and unplanned downtime.
IEA lowers 2025-30 forecast for solar growth
The International Energy Agency (IEA) cut its 2025–30 renewables forecast by 5%, citing lower solar additions, though PV still represents nearly 80% of 4.6 TW expected growth.
Optimal sizing for AC multi-bus microgrids based on solar, storage
A French–Moroccan research group has developed a two-stage hierarchical techno-economic model to optimize AC multi-bus microgrids in remote areas. This microgrid configuration is more complex than that of standalone systems but offers several advantages in terms of cost efficiency and energy reliability.
Chile loses $562 million to rising solar and wind curtailment
Ember says Chile has curtailed 11,900 GWh of renewable generation since 2022 due to grid congestion, costing operators $562 million.
Romania’s grid operator publishes rules for capacity auctions
All generation and energy storage facilities of 5 MW or larger in Romania will be required to secure grid access via annual auctions beginning January 2026. The country’s transmission and system operator, Transelectrica, has published how it plans to implement the auctions.
