Table 6.6
Fuel Consumption per Tonne of Contained Copper by Process
Unit: MJ per tonne of contained copper, as applicable · Cochilco, Anuario Cochilco 2025 · 2005 to 2025
| Series | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Open-pit mining | 4,196.4 | 4,465 | 5,119.6 | 5,634.4 | 6,764.3 | 6,217.7 | 7,719.7 | 7,123.2 | 7,462.9 | 7,677.8 | 8,647.9 | 9,787.8 | 9,620 | 10,066.2 | 9,717.3 | 10,228.1 | 9,682.2 | 11,287.1 | 12,023.4 | 12,349.2 | n.d. |
| (MJ per tonne of contained copper in ore) | |||||||||||||||||||||
| Underground mining | 1,333.1 | 1,563.9 | 1,808.5 | 1,297.6 | 1,530.1 | 1,092.5 | 1,393.2 | 1,018.3 | 1,072.6 | 1,533.2 | 1,722.9 | 1,753.3 | 2,244.5 | 1,624.4 | 1,842.5 | 1,722.2 | 1,898.5 | 2,052 | 2,029.1 | 2,367 | n.d. |
| (MJ per tonne of contained copper in ore) | |||||||||||||||||||||
| Concentrator plant | 215.8 | 185.4 | 188.6 | 233.4 | 238.6 | 206.4 | 222.2 | 194.3 | 248.1 | 236.1 | 232 | 289.1 | 361.8 | 292 | 323.9 | 430.8 | 347.7 | 428.3 | 526 | 410 | n.d. |
| (MJ per tonne of contained copper in concentrate) | |||||||||||||||||||||
| Smelter | 4,965.3 | 4,827.9 | 4,964.9 | 5,170.3 | 4,531.4 | 4,679.5 | 4,794.3 | 4,513.6 | 4,415.8 | 4,784.3 | 4,591 | 4,678.5 | 5,234.6 | 4,626.1 | 4,929.5 | 4,813.4 | 5,017.2 | 5,458.9 | 5,166.6 | 5,367.2 | n.d. |
| (MJ per tonne of contained copper in anodes) | |||||||||||||||||||||
| Refinery | 1,751.7 | 1,603.7 | 1,504 | 1,195.1 | 1,097.3 | 869.1 | 1,046.6 | 1,995.9 | 1,672.9 | 2,242.9 | 2,010.9 | 1,575.5 | 1,898.1 | 2,100.1 | 2,348.2 | 2,135.6 | 2,186.3 | 2,042.7 | 2,154.6 | 1,869.8 | n.d. |
| (MJ per tonne of contained copper in electrorefined cathodes) | |||||||||||||||||||||
| Leaching (SX-EW) | 2,905.5 | 2,893.8 | 3,094.6 | 3,080.1 | 3,003.1 | 3,185.1 | 2,975.1 | 2,847.5 | 2,590.1 | 2,874.6 | 2,458.7 | 2,474 | 2,351.7 | 2,834.7 | 2,810 | 3,371.6 | 3,546.9 | 3,283.6 | 3,342 | 3,340.6 | n.d. |
| (MJ per tonne of contained copper in electrowon cathodes) | |||||||||||||||||||||
| Services | 278.3 | 280 | 266.1 | 256.7 | 366.2 | 367.8 | 309.9 | 1,139.6 | 795 | 767.1 | 563.2 | 432.1 | 630 | 448.3 | 436.5 | 487.6 | 561 | 441.4 | 456.4 | 696 | n.d. |
Notes of the table
- (MJ/TMF total producido) / (MJ per tonne of total copper production)
- (1) Información correspondiente al año 2025 no disponible al momento de cierre de esta edición del Anuario. / Information for 2025 was not available at the closing date of this edition of the Yearbook.
Source stated in the table
Comisión Chilena del Cobre (COCHILCO), en base a información reportada por las empresas mediante encuesta anual. / Chilean Copper Commission (COCHILCO), based on information reported by companies through an annual survey.
Source: Chilean Copper Commission (Cochilco), Cochilco, Anuario Cochilco 2025 (XLSX), 2026. Read on Oct 6, 2026.
n.d.: no data · n.a.: not applicable · “< 1”: less than one unit.