A combined-cycle, natural-gas, power plant has an efficiency of 52%. Natural gas has an energy density of 55,340 kJ/kg and about 77% of the fuel is carbon.
a. What is the heat rate of this plant expressed as kJ/kWh and Btu/kWh?
b. Find the emission rate of carbon (kgC/kWh) and carbon dioxide (kgCO2/kWh).