Rules of Thumb
(approximate)

6.8 Mcf to generate 1 MWh for combined-cycle power generators

9.5 Mcf to generate 1 MWh for average gas-fired power generator

1.92 Bbl to generate 1 MWh for average oil-fired power generator

0.524 short tons to generate 1 MWh for average coal-fired power generator

1 million tons of liquefied natural gas (LNG) equals about 48.7 Bcf

135 cubic meter tanker of LNG equals about 3 Bcf