Developer Kyon Energy has claimed the largest approved BESS in Europe for a 275MWh project in Germany, just as regulators extend grid fee exemptions for energy storage by three years to 2029.

The auction was the first of its kind in Portugal that invited companies to lodge bids with a storage component included, with eight of the 12 batches awarded to solar-plus-storage projects.

Despite the growing interest and deployment figures for lithium-ion batteries for stationary energy storage, its ‘predecessor’ lead acid still has a strong role to play in enabling more and more people to go solar, a representative of Trojan Battery has argued.