Template:Cost of energy sources
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|█ Conventional oil||█ Unconventional oil||█ Biofuels||█ Coal||█ Nuclear||█ Wind|
|Colored vertical lines indicate various historical oil prices. From left to right:|
|— 1990s average||— January 2009||— 1979 peak||— 2008 peak|
Price of oil per barrel (bbl) at which energy sources are competitive.
- Right end of bar is viability without subsidy.
- Left end of bar requires regulation or government subsidies.
- Wider bars indicate uncertainty.
Source: Ed Crooks (2008-12-22). "Over a barrel". Financial Times., which used Cambridge Energy Research Associates, IHS Herold, International Energy Agency, Wood Mackenzie and industry estimates.[[Category:Economic history