About: http://webisa.webdatacommons.org/172821382

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	Surprisingly, many utilities with wind on their systems, including operators in Denmark, Germany and Spain, claim not to know the volume of the extra reserve they use for wind.
http://www.w3.org/ns/prov#wasQuotedFrom	windpowermonthly.com