[thackney]

We use significantly less electricity as a nation in colder months.

http://eia.gov/electricity/data/browser/#/topic/5?agg=0,1&geo=vvvvvvvvvvvvo&endsec=vg&freq=M&start=200101&end=201402&ctype=linechart&ltype=pin&pin=&rse=0&maptype=0

[American Constitutionalist]

Gots to keep them air-conditioning people happy in the summer months.

But one would have thought that the days are longer in the summer therefore less lights.