False, in fact hydroelectric is one of the cheapest form of energy available.
the only possible expensive part if it is building the dam or whatever else the build
Hydroelectric power
There are no energy sources without disadvantages.
The five sources of energy are solar, nuclear, wind, hydroelectric and fossil fuels. Nowadays there are five energy sources: fossil fuels, nuclear, wind, hydroelectric amd solar. The alternative sources are solar, wind and hydroelectric.
Wind Power, Geothermal Energy, Hydroelectric Energy
The advantage of using solar, wind, and hydroelectric energy is that these energy sources are environmentally friendly, and they do not run out. The disadvantage is that they are generally more expensive to implement than traditional sources of energy like oil and gas.
There are many great energy sources other than wind turbines. There is hydroelectric power and solar power.
Lightning, solar energy, hydroelectric energy, geothermal energy, nuclear energy, and wind energy.
That would be water. Water from rivers being very popular with the hydroelectric dams. Storing its potential energy behind the dam.
The energy sources that I am most excited about all have lower carbon emissions, compared to conventional energy sources. These include Biomass Energy, Wind Energy, Solar Energy, Geothermal Energy, and Hydroelectric Energy sources.
Solar Hydroelectric Wind Geothermal Biofuels
Water power and hydroelectric power.
Wind, solar, and hydroelectric power. All kinds of renewable energy.