When buying a solar plane for your RV, you need to think about a couple of things, the first of which is the amount of power your RV consumes in a day and how much of that you want to get from the solar panels. Once you figure that out, the next thing you need to look at is the watts the panel you plan on getting has. At Alrska, you get a single panel that produces about 60 to 100 watts of energy. If you need 600 watts for your RV, you might need to get about six panels just so the energy is sufficient. Considering your daily consumption will ensure that your RV keeps running and you can use its appliances. It is also vital to figure out where you will be storing the energy because most of the time, you will use it in the evening when the sun is out.