| Variation | −20% | −10% | 0% | +10% | +20% |
| System composition | | | | | | Gas engines | 2 | 2 | 3 | 3 | 3 | Hot water boilers | 3 | 3 | 3 | 3 | 4 | Heat exchangers | 3 | 3 | 4 | 4 | 4 | Absorption chillers | 1 | 1 | 1 | 1 | 1 | Mechanical chillers | 2 | 3 | 3 | 3 | 4 | Cooling towers | 3 | 3 | 3 | 4 | 4 |
| Natural gas (total) MWh/yr | 25,896 | 26,349 | 37,324 | 38,301 | 38,689 | Purchased electricity MWh/yr | 0 | 9 | 29 | 0 | 0 | Sold electricity MWh/yr | 7340 | 6981 | 11,389 | 11,269 | 10,905 | Natural gas (cogeneration) MWh/yr | 24,896 | 24,831 | 36,638 | 37,246 | 37,189 | Cogenerated electricity MWh/yr | 10,162 | 10,135 | 14,954 | 15,202 | 15,179 | Cogenerated useful heat MWh/yr | 6598 | 6981 | 8602 | 9161 | 9609 |
| Primary energy savings % | 12.65 | 13.99 | 10.01 | 11.00 | 12.08 | Equivalent electrical efficiency % | 57.85 | 59.36 | 55.22 | 56.17 | 57.25 |
| Annual fixed cost €/yr | 369,035 | 409,285 | 510,830 | 516,580 | 563,730 | Cost of natural gas €/yr | 647,391 | 658,718 | 933,092 | 957,513 | 967,215 | Cost of electricity €/yr | 0 | 1076 | 3207 | 0 | 0 | Profit with the sale of electricity €/yr | −565,160 | −537,535 | −876,960 | −867,692 | −839,669 |
| Annual total cost €/yr | 451,266 | 531,544 | 570,169 | 606,401 | 691,275 |
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