<http://webisa.webdatacommons.org/16151850>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/101552097>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/16151850> .
<http://webisa.webdatacommons.org/16151850>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<p30world.com> .
<http://webisa.webdatacommons.org/16151850>	<http://www.w3.org/ns/prov#value>	"This means that during the day, the electricity generated by the PV system can either be used immediately (which is normal for systems installed on offices and other commercial buildings), or can be sold to one of the electricity supply companies (which is more common for domestic systems where the occupier may be out during the day)." .