Hydroelectric costs & savings
The actual power generated in a river or stream again depends on the rate at which the water is flowing.
Feed-In Tariff levels for hydroelectric power (pence for each kWh generated)
| Size of installation | Year1 | Year2 | Year3 | Guaranteed for |
| ≤15 kW | 19.9 | 19.9 | 19.9 | 20 years |
| >15-100 kW | 17.8 | 17.8 | 17.8 | 20 years |
| >100 kW-2 MW | 11.0 | 11.0 | 11.0 | 20 years |
| >2 MW – 5 MW | 4.5 | 4.5 | 4.5 | 20 years |






