TABLE 9-2 ESTIMATED MONTHLY PAYMENTS AND NET SYSTEM
COST FOR A 2 KW SYSTEM
Total system cost
$13,000
Net cost/loan amount
$7,000
Loan period
20 years
Interest rate
7%
Annual payments
$660/year ($55 × 12 months)
Approximate amortized monthly payments
$55/month
How Much Energy Is Produced?
The amount of energy generated depends on several factors.
The primary factor is the size and performance of the installed
system. Other factors to consider are the location and the
amount of sunlight it experiences during peak sun hours. You
should also think about the number and percentage of cloudy
days and any shade on the system. This can include building ...
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