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Transportation energy data book: edition 23 - Oak Ridge National ...

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A–14<br />

Year<br />

Natural gas<br />

(million<br />

cubic feet)<br />

Table A.12<br />

Pipeline Fuel Use<br />

Formula for estimating<br />

electricity use<br />

Estimated<br />

electricity use<br />

(million kWhr)<br />

TRANSPORTATION ENERGY DATA BOOK: EDITION <strong>23</strong>—2003<br />

Electricity<br />

constant<br />

(btu)<br />

1970 722,166 3,272.9 212.1<br />

1971 742,592 3,365.4 212.1<br />

1972 766,156 Multiply natural gas by 3,472.2 212.1<br />

1973 728,177 heat content to get btu 3,300.1 212.1<br />

1974 668,792 × 0.015 3,031.0 212.1<br />

1975 582,963 × (29.305 ×10 -5 kWhr/btu) 2,642.0 212.1<br />

1976 548,3<strong>23</strong> 2,485.0 212.1<br />

1977 532,669 2,414.1 212.1<br />

1978 530,451 2,404.0 212.1<br />

1979 600,964 2,7<strong>23</strong>.6 212.1<br />

1980 634,622 2,876.1 212.1<br />

1981 642,325 2,911.0 212.1<br />

1982 596,411 2,703.0 212.1<br />

1983 490,042 2,220.9 212.1<br />

1984 528,754 2,396.3 212.1<br />

1985 503,766 2,283.1 212.1<br />

1986 485,041 2,198.2 212.1<br />

1987 519,170 2,352.9 212.1<br />

1988 613,912 2,782.3 212.1<br />

1989 629,308 2,852.0 212.1<br />

1990 659,816 2,990.3 212.1<br />

1991 601,305 2,725.1 212.1<br />

1992 587,710 2,663.5 212.1<br />

1993 624,308 2,829.4 212.1<br />

1994 685,362 3,106.1 212.1<br />

1995 700,335 3,173.9 212.1<br />

1996 711,446 3,224.3 212.1<br />

1997 751,470 3,405.7 212.1<br />

1998 635,477 2,880.0 212.1<br />

1999 645,319 2,924.6 212.1<br />

2000 642,210 2,910.5 212.1<br />

2001 6<strong>23</strong>,929 2,827.7 212.1<br />

Heat content used for<br />

conversion to btu:<br />

1,031 btu/cubic<br />

foot<br />

11,765<br />

Btu/kWhr

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