Assertion: topaz's energy | /r/HasProperty | recovered
Facets:
value: at night
type: TEMPORAL
value: by releasing water
type: MANNER
Source sentences:
text: Where a suitable river is not available, pumped-storage hydroelectricity uses solar power to pump water to a high reservoir on sunny days, then the energy is recovered at night and in bad weather by releasing water via a hydroelectric plant to a low reservoir where the cycle can begin again.