Key takeaways from Solar Energy Expo in Poland
Solar Energy Expo 2026, Poland’s flagship PV-plus-storage trade fair, returned this month with a small show-floor footprint but a sharp focus on flexibility and market reform, as well as the storage, inverter and grid-forming technologies shaping the nation’s next phase of grid integration.
India commissions first merchant battery energy storage system
Juniper Green Energy has fully commissioned a 100 MWh merchant battery energy storage system in western India, marking the nation’s first operational project of its kind.
Battery storage in Spain could become unviable beyond 32 GWh
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.
GoodEnough Energy starts production at 7 GWh BESS factory in India
India-based energy storage company GoodEnough Energy sazs it has commissioned a 7 GWh battery energy storage system (BESS) factory in Noida, with plans to expand capacity to more than 25 GWh over the next three years.
Regulatory changes could shape Brazil’s 2026 battery storage auction
Brazil’s long-awaited capacity reserve auction for battery energy storage is scheduled for April 2026, following a year of rulemaking that expanded the expected supply volume and introduced new legal and regulatory constraints.
Fox ESS rolls out stackable battery system
Chinese manufacturer Fox ESS has launched a 5.99 kWh capacity modular battery energy storage system that can be scaled up to 83.86 kWh per stack.
Greece struggling to connect grid-scale battery storage projects
Greece has awarded permits for about 900 MW of standalone, front-of-the-meter battery storage through three auctions, but no projects have yet been connected to the grid.
Battery technology outlook for 2026 sharpens beyond lithium-ion
Longer-duration storage, safety-driven procurement and Foreign Entity of Concern (FEOC) compliance in the United States are accelerating interest in alternative battery chemistries, even as lithium-ion remains dominant amid rising data center demand and tighter supply chain rules.
India mandates 20% domestic content in battery storage projects
The Indian Ministry of Power has ordered all battery energy storage system (BESS) projects supported under the viability gap funding (VGF) scheme to meet a minimum 20% local content threshold, aiming to boost domestic manufacturing and innovation.
BYD surpasses 1.5 million residential storage systems worldwide
BYD says global installations of its BatteryBox residential energy storage systems have increased by 500,000 since June 2024, lifting the total past 1.5 million worldwide.
