Comparison of Steam, Hydro-electric power plant, Gas turbine power plant and Diesel power plant
Sr. No. |
Particulars |
Steam Power Plant |
Hydro-electric Power Plant |
Gas Turbine Power Plant |
Diesel Power Plant |
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |
1. |
Site |
Located near load centre having cheap and large land, water supply, |
Located where large land, huge quantity of water at sufficient head |
Can be located anywhere |
Can be located anywhere |
2. |
Initial Cost |
Low compared to hydro power plants |
High due to building of dam and transportation cost of plant and |
Low |
Low |
3. |
Fuel cost including transportation cost |
High compared to hydro power plants if located away from coal mines |
Nil as no fuel is required |
Lower than steam power plant |
Lower than steam power plants |
4. |
Operating cost |
Very high compared to hydro power plants but low compared to diesel |
Low compared to steam power plant |
High compared to steam and hydro power plants |
Very high compared to other power planrs |
5. |
Maintenance cost |
Very high compared to hydro power plants because of operating staff |
Low compared to steam power plant |
Low as fuel operating staff is required |
Low as fuel operating staff is required |
6. |
Space |
High |
Very high |
Low |
Low |
7. |
Cooling water requirement |
Very High |
Nil |
Very low |
High compared to gas turbine plants and low compared to steam turbine |
8. |
Transmission and Distribution |
Low compared to hydro power plants |
Very High |
Very High |
Very Low |
9. |
Reliability |
Less reliable compared to hydro power plants |
Reliable |
Less reliable |
Less reliable |
10. |
Pollution |
Highly polluting |
Nil |
Less |
High compared gas turbine power plants but less compare to steam |
11. |
Time of installation |
High |
Very high |
Low |
Low |
12. |
Life of plant |
25-30 Years |
50 Years |
2-5 Years |
5 Years |