hopefully the noisy generator will be a distance away
and insulated to prevent sound pollution

but the line loss over distance can also be a problem.

it is best if lines carrying power and lines carrying
signal (audio and or video) are at least 12" away
from each other to prevent interference.

good thing the organizers are offering to provide power.
i recall a thread hear a while back from some folks who
were playing a wedding and did not have power available.