At this geographic location, in order to generate 10,000 kW of electricity per year, you would need a 7 kW photovoltaic system installed.

Cost Analysis
Using a typical photovoltaic installed cost of $7.50/Watt (this cost can vary depending on many variables specific to your site), the total installed cost of this system should be approximately $52,500.00.

Federal Residential Renewable Energy Tax Credit $15,750.00
.01 Section 25D provides a tax credit to individuals for residential energy efficient property. Section 1122 of Division B of the American Recovery and Reinvestment Act of 2009, Pub. L. No. 111-5, amended section 25D for taxable years beginning after December 31, 2008. The amount of a taxpayer’s section 25D credit for a taxable year beginning after December 31, 2008, is equal to the 30 percent of the qualified solar electric property expenditures made by the taxpayer during the taxable year.
The tax credit for this system is likely to be $15,750.00

How many years to pay off the photovoltaic system

Original Cost of System: 52,500.00

End of Year 1 Savings:
Residential Energy Tax Credit: $15,750.00
State Rebate: $0.00
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $35,150.00

End of Year 2 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $33,550.00

End of Year 3 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $31,950.00

End of Year 4 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $30,350.00

End of Year 5 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $28,750.00

End of Year 6 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $27,150.00

End of Year 7 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $25,550.00

End of Year 8 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $23,950.00

End of Year 9 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $22,350.00

End of Year 10 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $20,750.00

End of Year 11 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $19,150.00

End of Year 12 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $17,550.00

End of Year 13 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $15,950.00

End of Year 14 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $14,350.00

End of Year 15 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $12,750.00

End of Year 16 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $11,150.00

End of Year 17 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $9,550.00

End of Year 18 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $7,950.00

End of Year 19 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $6,350.00

End of Year 20 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $4,750.00

End of Year 21 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $3,150.00

End of Year 22 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $1,550.00

End of Year 23 Savings:
SRECs: $0.00
Energy Savings: $1,600.00
Remaining System Cost: $0.00