Review your utility bills to find your average daily kilowatt-hour (kWh) usage. A typical U.S. household uses about 29 kWh per day.
Identify how many "peak sun hours" your location receives daily. For example, the Southwest U.S. gets more than the Northeast. Estimate System Size: Use this basic formula: buy and install solar panels
The two main components are the panels themselves and the inverter, which converts solar energy into usable home electricity. Review your utility bills to find your average