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Research Article

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

Table 5

NPV trend with increasing self-consumption-only PV generation incentives.

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

10.0560.053-3685-1109
20.084 (1.5×)0.08 (1.5×)-2488-716
30.112 (2×)0.106 (2×)-1292-323
40.140 (2.5×)0.133 (2.5×)-9570
50.168 (3×)0.159 (3×)1101463