Hi
For those of you that are confused why the lights turn off , this announcement will help you solve your issue.
The lights power down due to there not being enough fuel in the generator.
Steps to take to fix this problem.
1. Find a red petrol can.
2. Left Mouse Button - ( Action Key ) while looking at the generator to fill it up and get your lights up and running.
3. ( Optional ) While looking at the generator repeatedly press the action key to fill the generator up more.