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Table 6
Hydropower development classification.
| By size [32] | By head [33] | By operation and type of flow [34] | ||
|---|---|---|---|---|
| Type | Capacity (MW) | Turbine type | Elevation difference (m) | |
| Pico | 0.005 | Hydraulic wheel | 0.2 < H < 4 | Run off river |
| Micro | 0.1 | Archimedes' screw | 1 < H < 10 | Reservoir and dam based and; |
| Mini | 1 | Kaplan and propeller | 2 < H < 40 | Pumped storage |
| Small | 1–100 | Francis | 10 < H < 350 | In-stream technology using existing facilities |
| Medium | 100–500 | Pelton | 50 < H < 1300 | |
| Large | >500 | Michel-Banki | 3 < H < 250 | |
| Turgo | 50 < H < 250 | |||
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