Cost Of A Solar Electric (PV) System

System Size
Annual Output		 Approx Cost
-Tax Credit
Total Cost		 Annual
Savings 		Annual
sREC Revenue		 Savings + Revenue
per year		 Payback
ROI
2 KW
2,511 KWh		 $16,000.00
-$4,800.00
$11,200.00		 $426.90 $1,506.72 $1,933.62 5.8 yrs
17%
4 KW
5,022 KWh		 $30,400.00
-$9,120.00
$21,280.00		 $853.81 $3,013.44 $3,867.25 5.5 yrs
18%
6 KW
7,534 KWh		 $42,000.00
-$12,600.00
$29,400.00		 $1,280.71 $4,520.16 $5,800.87 5.1 yrs
20%
8 KW
10,045 KWh		 $52,000.00
-$15,600.00
$36,400.00		 $1,707.62 $6,026.88 $7,734.50 4.7 yrs
21%
10 KW
12,556 KWh		 $62,500.00
-$18,750.00
$43,750.00		 $2,134.52 $7,533.60 $9,668.12 4.5 yrs
22%

Calculations based upon an electric rate of $0.17/KWh, 4.3 average daily sun hours, and 80% system efficiency.