Difference between Thermal Power and Hydel Power. The thermal power is produced by burning coal, petroleum or natural gas in thermal generator. But Hydro-electricity or hydel power is derived from the force of running water by means of dynamo driven by hydro-turbine.
Thermal power plant |
Hydro power plant |
A thermal power plant produces electricity by burning fossil fuels. |
Hydro power plant produces electricity by the flowing water. |
In this, chemical energy of the fossil fuels is transformed into electrical energy. |
In this potential energy of water stored is transformed into electric energy. |
In this, burning of fossil fuels pollute the air. |
In this, blocking of water affects fish and other organisms in the river. |
Two dam project, that were opposed due to rehabilitation are Tehri dam and Sardar Sarovar projects.