Actually, what you're doing is "dry camping", since it's a developed campground.
Technically, Boondocking is camping in undeveloped areas, like the desert or National Forest land.
All of YNP campgrounds have generator hours, except Fishing Bridge campground since they have full hookups there. Lots of campers run their generators.
Hope your generators are inverter generators. If they are open frame contractor-style generators, they will be too loud.
We're experienced dry campers and use a 6 gallon water jug to shuttle water. We too have a tote tank for gray water and an inverter to power the tv and recharge electronic devices.
Dan-Retired California Firefighter/EMT
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package