What is it called when companies leave there lights on at night when nobody is there?

Question

I read an article about it once and I'm sure there is a term for it. I'm looking around online but can't find any links because I don't know what it's called...

Answer 1

erm never thought about it

i would guess for security

so if some one walking past the store and

see/s some one in thear the can go get help or call the police

Answer 2

It's called a waste of energy. It's also done for security  reasons.

Answer 3

security

Answer 4

'global warming'

Answer 5

it's one large word. I think it's spelled:

wasteofenergy

Answer 6

wasting power