Browsing: Batteries and Storage

Energy storage news: battery projects, grid scale BESS, long duration storage, sodium ion and new chemistries, markets and prices.

As renewable energy penetration rises, balancing intermittent generation with reliable grid services remains a pressing challenge. Subsurface pumped energy storage (SPES) is emerging as a versatile solution, offering kilowatt-to-megawatt-scale power output from a single well while achieving storage densities over 30 times greater than conventional pumped hydro storage.