Use sites with plug-ins and sewer connections for the RVs that need them.
Others can use propane stoves, lamps, water heaters and even propane-run refrigerators (you can get dual-fuel units, too).
Alternately, set rules and enforce them.
I'm a tent camper and we've spent too many nights in campgrounds listening to generators instead of night sounds. (A .357 is one answer, but it's frowned upon by too many people.)