Perfect Power Solar - Phoenix, AZ

How to Estimate Your Costs, Payments, and savings with a PerfectPower Solar-Electric System

Sample Calculations

The Cost Equation

Results is the Net Cost

This system will produce approximately the System Size x 1.6 kWh per year.This saves $.12 x AkWh / 2 per year in year 1. It will save approximately 2 x year 1’s savings by year 10.

Monthly Payment Amount Calculation

The average monthly electric bill is $200.
Use is $200 X 12 / $.12 = 20,000 kWh per year.

The Net Cost to the Customer

Total Price
-Rebate
-Federal Tax Credit
-State Tax Credit
Net Cost

OR

$31,250-$12,188-$5,719-$1,000=$12,343

Savings to the Customer

This saves approximately $.12 x 20,000 / 2 = $1,200 in year 1.

It will save approximately $1,200 x 2 = $2,400 by year 10.

The Monthly Payment

15 Years @ 6% = $104.16 per month, or $1,250 per year, fixed.

Joe’s Standard System Example

The Standard System is designed to eliminate about 50% of your electric bill.

Joe's Savings

This will save Joe approximately $1,200 in year 1 based on production of 10,000 kWh per year. This will save Joe approximately $2,400 in year 10.

Joe's Monthly Payment

Joe’s payment financed for 15 years would be $104.16 per month.

Jane's High-Performance System

The same size High Performance System is designed to eliminate approximately 60% of your electric bill.

Jane's Savings

This will save Jane approximately $1,425 in year 1 based on production of 11,875 kWh per year. This will save Jane approximately $2,850 in year 10.

Jane's Monthly Payment

Jane’s payment financed for 15 years would be $132.59 per month.

Disclaimer

Energy savings based on a well maintained system, average conditions each year, first year energy cost of $.12 per kWh and energy cost escalation of 8% per year. Utility rebate of $1.95 per watt is based on current published rates and is subject to change. Total Price is based on current costs and is subject to change. Please consult your tax professional for tax related matters and how they apply to you.