| Parameter | Plant | ||
| P1 | T1 | B1 | |
| Investment (I) [€] | 240,000 | 600,000 | 115,000 |
| Cash flows (R) [€/year] | 20,517 | 58,303 | 9151 |
| Desired interest rate (i) [%] | 3.5 | 3.5 | 3.5 |
| Number of periods (n) [years] | 25 | 25 | 25 |
| Net Present Value (NPV) [€] | 98,145 | 360,925 | 35,821 |
| SpecificNPV [€/kWp] | 2524 | 3573 | 2508 |
| Internal Rate of Return (IRR) [%] | 6.95 | 8.45 | 6.15 |