1. VERY HIGH IN CONSTRUCTIONS OF DAMS
Its need a very maximum cost in construction of hydro-power in dams,the dams are constructed in such a way that they can be used for a number of years without acquire any problem, they need high cost for construction.
2. DAMS ARE EXTREMELY VERY EXPENSIVE TO BUILD
They are build in high standard, they are very expensive in term of human power, cost, security, educations, preservation.
3. AFFECTED BY FLOODING
Most of the hydro-power are highly affected by flooding, so they must be in a high cost to overcome this obstacles.
4. MOVEMENT OF PEOPLE
The place where this dams are going to built all people must move in order to leave free and open space for constructions of this hydro- electric power systems.
5. ITS AFFECT WATER TABLE LEVEL
By building the very high dams its must affect the level of water table.This is very dangerous because it can leads shortage of water in some of the environments.
6. IT LEADS INTERFERENCE OF TRANSPORT
During the construction transport must stop in the coverage areas
