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SRP^®

Solar CostCalc

You can use the Solar CostCalc to generate a customized profile of the costs and savings associated with installing a grid-connected solar electric or photovoltaic (PV) system in your home or business. The Solar CostCalc demonstrates the benefits of SRP's EarthWise Solar Energy program.

Please enter your data in the fields noted below and then select Run Estimator.

Customer profile

Customer type	Residential Commercial
Price plan	Basic Plan (E-23) Time-of-Use Plan (E-26)
Electric bill	$25 per month $50 per month $75 per month $100 per month $125 per month $150 per month $175 per month $200 per month $225 per month $250 per month $275 per month $300 per month $350 per month $400 per month $500 per month $750 per month $1,000 per month
PV system size	1.0 kW-DC 1.5 kW-DC 2.0 kW-DC 2.5 kW-DC 3.0 kW-DC 3.5 kW-DC 4 kW-DC 5 kW-DC 6 kW-DC 7 kW-DC 8 kW-DC 9 kW-DC 10 kW-DC 12 kW-DC 14 kW-DC 16 kW-DC 18 kW-DC 20 kW-DC
Input details	Use typical system and payment defaults Customize system and payment information

Solar Calc assumptions

The following sources are used to produce Solar Calc data:

• Emissions reductions are based on the Environmental Protection Agency (EPA) 2000 average emissions rate for Arizona.
• Energy production is based on typical system efficiencies and average solar insolation from the National Renewable Energy Laboratory (NREL) TMY dataset for Phoenix, Arizona.
• Residential and commercial load profiles are based on typical usage by SRP customers for the corresponding price plan.