Even though it's outfitted with a 30 amp system, you can run your rig on 15 amps provided you keep your use of power-drawing appliances to a minimum. Andy's post pretty much says it all.
We've had folks here on the park who just can't stand 30 amps. The one person who complained about power is a pretty good example: Visiting her rig, I found that every single outlet was outfitted with outlet splitters:
Duh.
Lynn