what is a disadvantage of hydroelectric energy
Disadvantages of hydroelectric power. There are many disadvantages of hydroelectric power due to which it is not used on a very large scale all around the globe. Before employing something on an industrial level, you should consider pros and cons of hydropower.So the disadvantages are:he reservoir of water for hydroelectric power releases a large amount of carbon dioxide and methane. The area around the dam is filled with water. The plants and trees in them start rotting and decompose by other method without the use of oxygen.