Definitions for "MMBtu"
Keywords:  btu, dekatherm, dth, mcf, british
A thermal unit of energy equal to 1,000,000 Btus, that is, the equivalent of 1,000 cubic feet of gas having a heating content of 1,000 Btus per cubic foot, as provided by contract measurement terms. See DEKATHERM.
Millions of Btus (British Thermal Units).
One million British thermal units, 252,000 Kilocalories or 293 Kilowatt Hours.