Advantages and Disadvantages of hydroelictricity

The advantages of hydro power is that it is a very efficient power source, it will never run out, its the largest renewable resource in the U.S.,and hydro power covers 6% of all the U.S. energy.The disadvantages of hydro power is that it distroys natrual habitats, dams are very expesive to build,and dams cause geological damage.