For example, pumped-storage hydroelectricity facilities require a lot of space and a significant water resource, and compressed air energy storage (CAES) requires some type of geologic feature for storage.
storage hydroelectricity facilities require a lot of space. This is for example.-storage hydroelectricity facilities require a lot of a significant water resource. This is for example. Example is pumped. Pumped-compressed air energy storage (CAES) requires some type of geologic feature for storage. This is for example.