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Table 9 Results sensitivity analysis—energy efficiency improvement

From: Optimisation of photovoltaic and battery systems from the prosumer-oriented total cost of ownership perspective

Energy efficiency improvement (per year) 0% 1% 2% 3%
1 Pers.; 4.88 kWp; n/o − 387.24 − 356.17 (8.0%) − 328.62 (15.1%) − 304.15 (21.5%)
1 Pers.; basis − 511.97 − 470.72 (8.1%) − 433.85 (15.3%) − 400.86 (21.7%)
2 Pers.; 7.32 kWp; 6 kWh − 887.97 − 846.32 (4.7%) − 810.31 (8.7%) − 779.17 (12.3%)
2 Pers.; basis − 839.94 − 772.26 (8.1%) − 711.77 (15.3%) − 657.65 (21.7%)
4 Pers.; 9.78 kWp; 10 kWh − 1307.67 − 1239.7 (5.2%) − 1180.89 (9.7%) − 1129.97 (13.6%)
4 Pers.; basis − 1323.84 − 1217.16 (8.1%) − 1121.83 (15.3%) − 1036.52 (21.7%)