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
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.
Solar fridges for the developing world
As climate change leads to more electricity blackouts and brownouts, the reliability of everyday refrigeration is at risk. A new IEC Standard, together with solar innovations in Africa and Asia, demonstrates how cooling can continue when power grids falter.
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.
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.
French startup launches solar-based EV charging optimization system
DejaBlue has developed a plug-and-play energy management system that boosts self-consumption and cuts costs for PV-powered EV charging sites.
Sermatec’s 6.25 MWh battery storage system enters mass production
The Chinese manufacturer reports that it has established automated production lines and a mature supply chain to support large-scale deliveries, with initial shipments scheduled to begin in the fourth quarter of 2025 in China.
