Load Profiles

A

B

C

D

Annual electricity charge without solar

$2251.10

$2239.72

$2021.94

$2236.20

Annual electricity charge with solar

$1679.90

$1895.39

$1449.32

$1781.15

Annual avoided electricity charge

$571.20

$344.33

$572.62

$455.05

Cost of solar installation after tax credit

$9374.89

Payback Period (years)

16.41

27.23

16.37

20.60

Net present Value at discount rate of 4.49%

−$896.29

−$4263.83

−$875.21

−$2620.36

Net present Value at discount rate of 6.49%

−$2401.01

−$5170.91

−$2383.67

−$3819.11

Internal rate of return

3.54%

−0.65%

3.56%

1.55%