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10 most expensive energy projects in the world

Our growing thirst for energy means today's projects dwarf most past endeavors. The Hoover Dam cost $49 million in 1936. Adjusted for inflation, that's only $825 million today.

#2 - Gorgon - $57 billion

Gorgon Plant Chevron
  • Location: Australia
  • Companies: Chevron, Exxon, Shell

Gorgon is the largest natural gas project in Australian history, and one of the largest natural gas projects in the world. Chevron is the lead company.

The fields, located 80 to 125 miles off Australia's northwest coast, are estimated to contain 40 trillion cubic feet of natural gas. The gas will be liquified at a plant on Barrow Island, seen here under construction.

Production is slated to begin in 2014.

Source: Chevron, Wood Mackenzie
Cost estimates for oil and gas projects are from the energy consultants Wood Mackenzie. They include possible future costs and other data which may not correspond to company esitmates.
  @hargreavesCNN - Last updated August 27 2012 02:47 PM ET

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