[rface]

what about electric power plants?

[thackney]

I would say the ability to use it for liquid fuel makes it too valuable to use in a power plant when we already have large resources of coal.

For comparision, but note this is several years old. Petroleum has risen even more compared to the others.

Source:
http://www.eia.doe.gov/oiaf/archive/aeo07/overview.html