What is the difference between hydro power and thermal power?

The difference between hydel power and thermal power are as follows:

Hydel power:

(i) It is generated by fast flowing water.

(ii) It uses renewable resources.

(iii) Initially its cost is high but later it becomes cheaper.

(iv) It does not cause any pollution. E.g.: Bhakra Nangal project.

Thermal power:

(i) It is generated by using coal, petroleum and natural gas.

(ii) It uses all non-renewable resources.

(iii) Its cost is very high and its production is expensive.

(iv) It does cause pollution.

E.g.: Badarpur thermal plant of Delhi.