Wind power

Cost  upwards of $10,000

Efficiency  20% to 40%

Wind power operates on average about 35% of rated capacity while coal can operate near 90% of rated. Coal is more efficient by 45%.

Solar power

Cost $5,030

Efficiently 15% to 22% of solar energy into usable energy

Coal will cost more Because there is limited of it so it will cost more but coal is more efficient by 3.1%