Lumenocity [2]

An abstract energy consumption map of city, lit by the glow of solar powered LED's.
It uses solar powered LED lights to minimise energy consumption using less energy than is required to light the forecourt area.

<a href="http://www.smartlightsydney.com/artists/bryen-crocker-daly" target="_BLANK">More info about Lumenocity is here.</a>