Subterranean Assets: Repurposing Salt Caverns and Depleted Mines for Massive Energy Reservoirs
Compressed air energy storage (CAES) systems store surplus electricity by compressing air into underground caverns or above-ground vessels during off-peak hours, then releasing it through turbines to generate power on demand. This grid-scale technology complements renewables by smoothing wind and solar intermittency, with round-trip efficiencies reaching 70% in advanced adiabatic designs that...
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