IIASA-led study proposes Underground Gravity Energy Storage as long-term energy storage solution for renewables
Green Car Congress
JANUARY 13, 2023
The new technique—called Underground Gravity Energy Storage (UGES)—proposes an effective long-term energy storage solution while also making use of now-defunct mining sites, which likely number in the millions globally. The investment costs of UGES are about 1 to 10 US$/kWh and power capacity costs of 2.000 US$/kW.
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