2 upvotes, 0 direct replies (showing 0)
View submission: xkcd: Quantum Vacuum Virtual Plasma
An average American household uses around 1.24 kW (10,837 kWh annually, source[1]). So you could power roughly 16 homes on 20 kW.
1: http://www.eia.gov/tools/faqs/faq.cfm?id=97&t=3
There's nothing here!