Question

what is energy payback time for a coal fired power plant ​

Answer 1

Dispelling myth of energy payback of renewable energy systems

Technology Energy payback period (years) Expected lifetime of technology (years)

Concentrated solar thermal (CST) , parabolic trough 2 30

Nuclear (high-grade uranium) 6.5 30

Nuclear (low-grade uranium) 14 30

Coal: conventional 1–2 30

Answer 2

Energy payback time (EPBT) is the amount of time that an energy technology takes to deliver the amount of energy required over its life cycle [14].