Pray tell: why do generating plants and oil refineries always have millions of lights all over 'em?

Question

Kind of like a miniature urban skyline when you gaze upon them...BUT WHY????

Answer 1

the same reason stores at night have lights...to keep away criminals

Answer 2

agree with Jake---its a question of security, because these are known as KPI's--- Key Point Installations.The more the lights the better security personnel can keep watch over  intruders or terrorists.

Answer 3

So that the workers can see what they are doing.  These facilities operate 24 hours per day and the staff need to be able to see at night.  Safety first!