'Green' light bulb moment for councils installing LED street lights

By Lucy Cormack
Updated May 23 2015 - 11:08pm, first published 10:37pm
New LED street lights will save western Sydney councils an estimated $21 million over 20 years.
New LED street lights will save western Sydney councils an estimated $21 million over 20 years.

How many western Sydney councils does it take to change the street lights?