1 kWh………………………………………… Btu 1 ft 3 natural gas……………………………..1,000 Btu 1 Ccf natural gas…………………………….100 ft 3 natural gas 1 Mcf natural gas…………………………….1,000 ft 3 natural gas 1 therm natural gas………………………….100,000 Btu 1 barrel crude oil………………………………5,100,000 Btu 1 ton coal…………………………………………25,000,000 Btu 1 gallon gasoline……………………………….125,000 Btu 1 gallon ethanol…………………………………84,400 Btu 1 gallon #2 fuel oil…………………………….140,000 Btu 1 gallon LP gas…………………………………..95,000 / 91,600 Btu EF - 1 Table EF-1: Energy Conversion Units

Table EF-1: Energy Conversion Units (cont.) 1 HP…………………………………..746 Watts 1 Mbtu……………………………………1,000 Btu* 1 MMBtu………………………………….1,000,000 Btu* 1 Decatherm……………………………..1,000,000 Btu 1 therm …………………………………..100,000 Btu 1 Quad…………………………………… Btu 1 MW………………………………………..1,000,000 Watts** 1 Boiler HP…………………………………33,475 Btu/hr Note: *In English units, M = 1,000 **In SI units, M = 1,000,000 EF - 2

EGP - 3 Fuel Choices – Heating Value Fuels – Fuel Oil Avg. HHV Kerosene 134,000 Btu/gal No. 2 Burner fuel oil 140,000 Btu/gal Heavy fuel oil – No.4 144,000 Btu/gal – No.5150,000 Btu/gal – No.6 (2.7% sulfur)152,000 Btu/gal – No.6 (0.3% sulfur)143,800 Btu/gal

EGP - 4 Fuel Choices – Heating Value – Coal Anthracite13,900 Btu/lbm Bituminous14,000 Btu/lbm Sub-bituminous12,600 Btu/lbm Lignite11,000 Btu/lbm – Gas Natural1,000 Btu/cubic ft Liquefied butane103,300 Btu/gal Liquefied propane91,600 Btu/gal

EGP - 5