Tiny House living requires you to manage your space, and Tiny House living call for you to manage your energy usage. Our rv site is a 50 amp service. Like an rv, the Tiny Home plugs into the rv site power source. The Tiny Home is power plug cord is wired into a small sub-panel box with split circuits and breakers for a few different inputs like lighting, electronics, refrigerator and other needs.
We are lucky to have a 50 amp service as it allows for a few more options to run electric lights and appliances needing power.
Here is an interesting link that gives an idea of how many amps are used by common household appliances. http://fltailgators.com/resources/RV+Appliances+Power+Consumption.pdf