What are some of the drawbacks of hydroelectric power?

A list over the pros and cons of hydroelectric energy (hydroelectricity). ... However, there's only a limited number of suitable reservoirs where hydroelectric power plants can be built and even less places where such projects are ..... This a great website to site some of the pros and cons of hydro energy. read more

Two primary disadvantages of hydroelectric power include the high investment cost and its reliance on precipitation. Hydropower facilities can have a negative impact on the environment, despite not causing pollution, including the loss of fish habitats, displacement of the local population and the inundation of surrounding land. read more

It’s generally expensive to build up a power plant, and hydropower plants are no exception. The average cost of building a small hydropower plant is $10 million. This figure takes into account the cost of construction per megawatt, which stands at $1 million. The large scale power plants can cost as much as $450 million dollars. read more

Hydropower is the energy generated by the water power, using gravity and buoyancy waterfall. It is the most used form of renewable energy. Once built, a hydropower plant, it produces energy without emitting greenhouse gases compared to fossil fuels. read more

They kill a lot of fish. Dam breaks have caused over a 100,000 deaths all at once. The flooding of the reservoir generates so much methane in many places, that the hydro ends up near as GHG bad as nat gas. read more