Research Article
Impact of ISO 14001 Environmental Management System on Key Environmental Performance Indicators of Selected Gold Mining Companies in Ghana
Table 3
Annual energy consumption per ounce of gold at GFGL.
| Year | Total energy consumption (TJ) | Ounces of gold produced (Oz) | Energy consumption (GJ/Oz) |
| 2004 | 1,460.98 | 553,175 | 2.6411 | 2005 | 1,887.04 | 724,971 | 2.6029 | 2006 | 2,252.68 | 720,866 | 3.1250 | 2007 | 2,522.32 | 657,064 | 3.8388 | 2008 | 3,104.89 | 629,308 | 4.9338 | 2009 | 3,260.68 | 664,514.51 | 4.9069 |
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