2. Construction of such reservoirs may prove detrimental to the surrounding areas like water shortage. 3. In case of drought maximum impact will be on hydro power stations. 4. Water turbines can pose danger to marine life and cause obstacle in movement of aquatic life forms. Though, the benefits derived from hydro electric professional power project far override the potential detrimental concerns surrounding it. Summary: Hydroelectric energy is the electrical energy that is generated from hydro-power also known as hydraulic power or water power. It has four common ways to generate power and some pros and cons that share objective consideration. Author Bio: The author believes in renewable energy plants like hydro electric professional power project that can really survive us from using fossil fuels. Reference energy.html
link:
http://www.buzzle.com/articles/hydroelectric-power-facts-about-hydroelectric-