<http://schema.org/about>
"UK electricity company, Eon, are planning to build a huge battery to store power from sustainable electricity sources. Because sources like wind and solar aren't constantly reliable, some kind of storage is necessary if a 100% sustainable grid is to be"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/gadgets/giant-a40-million-battery-for-the-uk.html>