Summary of average results (obtained averaging the results of all the database entries)
| Average results | Traditional water wheel | Optimized water wheel | Turgo turbine |
|---|---|---|---|
| Global mechanical efficiency (%) | 20 | 35 | 70 |
| Average diameter (m) | 0.85 | 0.85 | 0.58 |
| Average power (and with average flow) (kW) | 1.6 | 2.8 | 5.7 |
| Average electromechanical cost (€) | ∼3,330 | ∼3,000 | ∼39,000 |
| Average unit cost (€/kW) | ∼1,900 | ∼1,100 | ∼7,800 |
| Payback time of the electromechanical equipment (years) | 6.8 | 3.9 | 13.6 |
| Income in 20 years (assuming 0.155 €/kWh) | 9,920 | 17,360 | 70,680 |
| Average results | Traditional water wheel | Optimized water wheel | Turgo turbine |
|---|---|---|---|
| Global mechanical efficiency (%) | 20 | 35 | 70 |
| Average diameter (m) | 0.85 | 0.85 | 0.58 |
| Average power (and with average flow) (kW) | 1.6 | 2.8 | 5.7 |
| Average electromechanical cost (€) | ∼3,330 | ∼3,000 | ∼39,000 |
| Average unit cost (€/kW) | ∼1,900 | ∼1,100 | ∼7,800 |
| Payback time of the electromechanical equipment (years) | 6.8 | 3.9 | 13.6 |
| Income in 20 years (assuming 0.155 €/kWh) | 9,920 | 17,360 | 70,680 |