Merits (Advantages) of Thermal Power Plant:

1. The unit capacity of thermal power plant is more. The cost of unit decreases with the increase in unit capacity
2. Life of the plant is more (25-30 years) as compared to diesel plant (2-5 years)
3. Repair and maintenance cost is low when compared with diesel plant
4. Initial cost of the plant is less than nuclear plants
5. Suitable for varying load conditions.