Difference Between Thermal Power and Hydel Power:
The following are the points of difference between thermal power and hydel power.
| Thermal Power | Hydel Power |
|---|---|
| Thermal power is that power that is generated by consuming fossil fuels and atomic minerals. Coal, natural gas, petroleum, thorium, radium etc. | Hydel power is generated by using water to move turbines. Water is the only source. |
| Fossil fuels and atomic minerals are exhaustible resources. Hence thermal power may not be going on to be generated regularly in the future to come. | Water is an inexhaustible resource. Hence we will go on generating hydel power till the time the sun and oceans are present in the universe. |
| Its supply is uncertain. | Its supply is perennial. |
| The steam moves turbine to produce thermal power, water is also needed to make steam. | The pressure of water is directly used to move turbines to produce hydel power. |
| It is costly. | It is cheap. |
| Thermal power stations cause air and sound pollution. | There is no pollution caused by hydel power stations. |
| Thermal power stations can be built far away from the source of fossil fuels and atomic minerals. | It is essential to set up hydel power stations on the rivers. |
| The total installed capacity of thermal power in the country was 6200 crore kilowatts in 1996-97. | The total installed capacity of hydel power in India was 2170 crore kilowatts in 1996-97. |
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