Reference

Fuel type

Coal

Oil

Natural gas

[35]

1006

742

466

[36]

750 - 1250

500 - 1200

360 - 780

[37]

975.2

742.1

518.8 - 607.6

[38]

949 - 1280

519 - 1190

485 - 991

[39]

1004

-

543

[40]

1005.2

212.03

432.96

[41]

-

-

485 - 990

Sample size

8

7

11

Average

1022.9

779.6

605.9 = 605,000 kg/GWH