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When you measure up the space you have available on your roof or elsewhere, you may find it difficult to capture the power required to run your RVâs house systems completely off of solar power. For a large motorhome, you might need 500 to 800 watts of power.
Your power supply is free and inexhaustible since your solar panels get their power from the sun, You'll have to invest in your RV's solar panel equipment first, of course. However, you can definitely recover your investment within a couple of years, and you can enjoy free energy for years and years after that.