Lets understand energy sources some more: Table

 http://www.cbs.nl/en-GB/menu/themas/industrie-energie/publicaties/artikelen/archief/2007/2007-2187-wm.htm

convert Euro to dollars

http://www.nrel.gov/

http://energylinx.co.uk/gas_meter_conversion.html

http://en.wikipedia.org/wiki/Energy_density

Carbon Capture & Storage-Netherlands

Economy of the Netherlands

http://www.world-nuclear.org/info/inf107.html

Energy Information Administration