Countries | Year | Overall energy efficiency (%) | Overall exergy efficiency (%) | Reference |
China | 2005 | - | 10 | [8] |
Canada | 1986 | 50 | 15 | [7] |
USA | 1970 | 50 | 14 | [7] |
Brazil | 2001 | 35 | 23 | [7] |
Italy | 1990 | - | 2 | [7] |
Malaysia | 1997-2004 | 69.32 | 29.98 | [12] |
Jordan | 2006 | 66.60 | 15.40 | [14] |
Turkey | 2004-2005 | 80.98 | 22.17 | [15] |
Norway | 2000 | - | 12 | [7] |
Saudi Arabia | 2004 | 76 | 9 | [9] |
Cameroon | 2010 | 58.15 | 22.41 | - |