About: http://webisa.webdatacommons.org/111566198

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	One major obstacle to solar, wind and other renewable energy power sources is the problem of storage -- how to stockpile energy from solar panels or wind turbines for use when the sun goes down or the wind dies?
http://www.w3.org/ns/prov#wasQuotedFrom	voiceofoc.org