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Inputs Parameters for PhotoVoltaic (PV) Financial Assessment
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ENERGY AND TECHNICAL PARAMETERS
LEGEND
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Load4800 kWh/y
Annual electrical load of the user
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Size5,0 kWp
Size of the Plant
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Specific Prod1.100
kWh/kWp/y
Energy Production of the Plant (first year)
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 Production 5.500 kWh/y
Energy Production of the Plant (first year)
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SURPLUS700 kWh/y
SURPLUS= Production - load
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DEFICIT0 kWh/y
DEFICIT= Load - production
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Self-consumption35% % Quota of the electric load, that is locally produced by the PV system and locally consumed (i.e., it is the ratio between sufficiency and load)
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1925 kWh/y Load locally produced by PV system and locally consumed
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 Grid absorption 2875 kWh/y
Absorption from the grid
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 Grid injection 3575 kWh/y
Injection into the grid
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Balance2875 years Balance between grid absoprtion and grid injection (i.e., the minimum between them)
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Life25 years
Useful Life of the Plant
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 Ageing 0,5% %
Yearly Degradation of the PV modules
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FINANCIAL PARAMETERS for negative cash flows
Negative Cash Flows
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Investment Cost1800 €/kW
Total Installation Cost per kW
Investment Cost-9000€/year
only in the first year
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 O&M 7 €/kW/y
Yearly operation and maintanance cost
O&M-35€/yearfixed
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 Replacement of components 500 €
Cost of replacement of components
Replacement of components-500€/year
only when there is replacement
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10years
Duration of the replaced components
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 Other energy costs 0 €/kWh Other generic costs proportional to the energy production Other energy costs0€/year
Financial Results
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 Other annual costs 0 €/year Other annual fixed costs Other annual costs0€/yearfixed
Investment is repaid after
#N/Ayears
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FINANCIAL PARAMETERS for positive cash flows (first year)
Positive Cash Flows
NPV after
20yearsis 2.843 € , IRR is7,0%
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 Electricity avoided cost 0,30 €/kWh Electricity cost avoided (bill reduction due to self-sufficiency) Avoided bill577,5€/year
NPV after
25yearsis 4.208 € , IRR is7,8%
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 Electricity selling price 0,10 €/kWh
Electricity selling price for the SURPLUS
Electricity sold70€/year
NPV after
30yearsis 5.144 € , IRR is8,2%
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 Net billing 0,00 €/kWh in case of Net billing (in Italy, SCAMBIO SUL POSTO) there is a adjustment/balance between electricity aborbed and injected within an year. This is the addition cash flow with respect the selling to the grid Net billing0€/year
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Tax discount5,0% % % of the initial investment per each year Tax discount450€/year
only for the first X years
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10 years number of years in wich there is tax reduction
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 Other revenues 0 €/kWh Other generic revenues proportional to the energy production Other revenues0€
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 Other revenues 0 €/kWh Other generic revenues proportional to the self-sufficiency Other revenues0€
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 Other revenues 0 €/year Other annual fixed revenues Other revenues0€fixed
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Other FINANCIAL PARAMETERS
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Discount rate3,0% %
Discount Rate
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