About: http://webisa.webdatacommons.org/140330356

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	PJM Interconnection, which operates the power grid that serves more than 61 million people in the Mid-Atlantic, Midwest and South, asked users to conserve electricity because of the cold, especially in the morning and late afternoon.
http://www.w3.org/ns/prov#wasQuotedFrom	chicagodefender.com