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Unit of Measure Conversion Information

1 MMBtu = 1.055056 GJ

1 TJ = 1,000 GJ

1 PJ = 1,000,000 GJ

1 Bcf = 28,327.84 103m3

1 103m3 = 38.81 GJ (April 2016 Union Gas South Heat Rate)*

1 Bcf = approximately 1.0705 PJ

*Historical Heat Value Conversion Factors GJ/103m3

Heat Value Conversions
 Effective Date Annual  
  South North
April 1/15 38.55 37.97
April 1/14 38.29 37.83
April 1/13 38.07 37.78
April 1/12 37.82 37.59
April 1/11 37.75 37.51
April 1/10 37.73 37.39
April 1/09 37.79 37.42
April 1/08 37.62 37.33