PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the present value of the energy generated (less the present value of all costs, including maintenance, transmission, buffering and backup) is less than the present value of all future energy derived, then any such project amounts to a destruction of wealth.
http://www.w3.org/ns/prov#wasQuotedFrom
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