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Research Article

Solar PV-Battery-Electric Grid-Based Energy System for Residential Applications: System Configuration and Viability

Table 4

NPV trend in a decreasing PV generation subsidy context.

State subsidy (20 years) (€/kWh)Local subsidy (5 years) (€/kWh)NPV of PV-battery (€)NPV of PV only (€)

10.0560.053-24671715
20.0560-3443739
30.042 (0.75×)0-410280
40.028 (0.5×)0-4761-578
50.014 (0.25×)0-5419-1237
600-6078-1896