Hydroelectricity remains the largest source of renewable energy globally, providing over 16% of the world's electricity. As of 2024, the global hydropower fleet reached 1,412 GW, with a growth rate of just over 26 GW per year needed to stay on track with net-zero targets by 2030.Pumped storage hydropower (PSH) accounts for more than 90% of all stored energy worldwide, playing a crucial role in grid stability and energy storage.