Your projected energy cost is calculated by considering a 7.0% increase in energy cost each year, due to trends in the raising cost of energy. This estimate is based on your selected preferences, current energy costs and the position and orientation of your roof to calculate the efficiency of the system. Projections are based on estimated usage of 5784 kWh per year, assuming Custom Tariff.

Electricity Tariff. Your electricity tariff rates may change as a result of installing the system. You should contact your electricity retailer for further information.