Battery storage power stations use rechargeable batteries for load-leveling (storing electric energy at times of low demand for use during peak periods) and for renewable energy uses (such as storing power generated from photovoltaic arrays during the day to be used at night).
Definition of dray. : a vehicle used to haul goods; especially : a strong cart or wagon without sides.
A baray is an artificial body of water which is a common element of the architectural style of the Khmer Empire of Southeast Asia. The largest are the East Baray and West Baray in the Angkor area, each rectangular in shape, oriented east-west and measuring roughly five by one and a half miles.