Research Article
Rapid Identification of Economic Indicators of Integrated Energy Systems Based on Data Analysis
Table 7
Coefficient among different indicators with economy-first solutions.
| | Coefficient of association | Design load indicator (W/m2) | Initial investment ($/m2) | Yearly energy sale (kwh/m2/year) | Equivalent full load power hours per year (h) | Yearly energy sale proceeds ($/year/m2) ($/m2) | Static payback time (year) | Initial investment per unit energ一production ($/kWh) |
| | Design load indicator (W/m2) | 1.00 | — | — | — | — | — | — | | Initial investment ($/m2) | 0.92 | 1.00 | — | — | — | — | — | | Yearly energy sale (kwh/m2/year) | 0.46 | 0.39 | 1.00 | — | — | — | — | | Equivalent full load power hours per yea (h) | −0.53 | −0.51 | 0.48 | 1.00 | — | — | — | | Yearly energy sale proceeds ($/year/m2) ($/m2) | 0.19 | 0.17 | 0.96 | 0.69 | 1.00 | — | — | | Static payback time (year) | 0.36 | 0.49 | −0.57 | −0.86 | −0.70 | 1.00 | — | | Initial investment per unit energ一production ($/kWh) | 0.34 | 0.52 | −0.54 | −0.83 | −0.66 | 0.98 | 1.00 |
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