Advantages of hydroelectric power are as follows :
1. Hydroelectric power is pollution free.
2. It is free.
3. Low maintenance cost.
4. Operating cost is low.
5. No fuel is required so no fuel charge.
6. Turning ON and Turning OFF time is very small.
7. Hydroelectric power plant is very simple in concept.
9. Do not required very skilled worker because operations are simple.
These are some advantages of hydroelectric power.