Sales Math

Question 1

Annual kWh x cents per kWh

Calculating savings in dollars.

savings per year

10.5 kWh per year, $0.16 kWh =

Answer 1

$1680 per year

Question 2

Simple Payback Period

Answer 2

Simple Payback Period
(Total installed cost of project – tax credits, grants, and subsidies)
—————————————————————
(Estimate of annual produced kilowatt hours) × (grid price per kilowatt hour)

Question 3

Annual Production (kWh)

Answer 3

Size of System x sun-hours x .80 x 365

= kWh

Question 4

Utility rate

Monthly or Annual

Answer 4

kWh used

$ paid for electricity
__________________________

Question 5

Homeowner wants to offset their energy bill.

Answer 5

highest monthly kWh Bill x Offset % 
= Monthly kWh Offset 
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
30 Days
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
Sun-Hours
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
.80 
=