Solar power disappears every night, but a data centre cannot. That engineering mismatch is turning Google, Amazon and other technology giants into some of the world’s most important buyers of battery storage, financing gigawatt-scale systems to keep increasingly power-hungry AI infrastructure suppli

AI data centres need electricity after sunset. Google and Amazon are helping finance gigawatt-scale storage, but duration, firm generation and flexible demand still matter. The post Solar power disappears every night, but a data centre cannot. That engineerin…