| http://www.w3.org/ns/prov#value | - date of receipt.Topping-cycle unit means a unit in which the energy input to the unit is first used to produce useful power, including electricity, where at least some of the reject heat from the electricity production is then used to provide useful thermal energy.Total energy input means, for a unit, total energy of all forms supplied to the unit, excluding energy produced by the unit.
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