Hi Nick
I have since found out that Ausgrid controls the street lighting in the Hornsby area and most likely in your area of Killara. They directed me to their website which I have to say is pretty comprehensive. They are going for the 4000k led instead of 3000k because they say it provides better lighting, lower power requirements, more sustainability etc. I doubt whether I could change their minds so I guess it is a matter of "don't worry - be happy"!
Peter
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