About: http://webisa.webdatacommons.org/256947622

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In reality, electricity is most expensive to deliver when demand is highest, especially on the hottest days of the year when coal-fired plants kick on to avoid blackouts.
http://www.w3.org/ns/prov#wasQuotedFrom	northwestern.edu