Table 6. Price and Expenditure Estimates for Energy Input at Electric Utilities, 1970-2000, Arizona





Year


Coal

Natural
Gas		 Petroleum

Nuclear
Fuel
Wood
and
Waste

Total
Energy a
Heavy
Oil		 Light
Oil		 Petroleum
Coke
Total
Prices in Nominal Dollars per Million Btu
1970 0.21 0.35 0.60   0.68 — 0.61   —   — 0.33  
1971 0.24 0.39 0.56   0.63 — 0.56   —   — 0.38  
1972 0.32 0.39 0.85   2.22 — 0.94   —   — 0.44  
1973 0.32 0.42 1.02   1.25 — 1.03   —   — 0.65  
1974 0.17 0.53 1.77   2.15 — 1.80   —   — 0.87  
1975 0.21 0.73 2.08   2.27 — 2.12   —   — 0.84  
1976 0.22 0.82 2.22   2.44 — 2.26   —   — 0.70  
1977 0.47 1.08 2.25   2.67 — 2.30   —   — 0.93  
1978 0.48 1.33 2.07   2.75 — 2.21   —   — 0.93  
1979 0.79 2.08 2.80   4.38 — 2.97   —   — 1.27  
1980 0.98 2.41 3.92   6.48 — 4.57   —   — 1.35  
1981 1.05 2.66 5.05   7.32 — 6.36   —   — 1.37  
1982 1.18 3.64 5.21   7.31 — 6.51   —   — 1.46  
1983 1.21 4.12 5.28   6.24 — 5.54   —   — 1.48  
1984 1.21 4.01 4.66   6.08 — 5.00   —   — 1.50  
1985 1.31 3.74 3.71   6.22 — 5.15   0.65   — 1.61 [ R ]
1986 1.36 2.35 3.51   3.64 — 3.64   0.65   — 1.26  
1987 1.30 2.20 2.24   4.34 — 3.80   0.82   — 1.22 [ R ]
1988 1.41 2.24 2.47   4.27 — 4.07   0.77   — 1.18  
1989 1.36 2.24 2.77   4.50 — 3.76   0.85   — 1.38  
1990 1.43 2.37 3.48   5.11 — 5.03   0.72   — 1.21  
1991 1.41 2.01 3.86   4.99 — 4.89   0.70   — 1.14 [ R ]
1992 1.37 2.21 3.23   4.67 — 4.53   0.55   — 1.08  
1993 1.35 2.81 3.55   5.11 — 4.87   0.58   — 1.12  
1994 1.37 2.18 3.22   4.28 — 3.53   0.57   — 1.11  
1995 1.39 1.73 2.99   5.10 — 4.87   0.49   — 1.00  
1996 1.44 2.98 3.97   5.39 — 5.11   0.49   — 1.05  
1997 1.43 2.94 4.09   5.32 — 5.31   0.49   — 1.06  
1998 1.33 2.39 —   4.29 — 4.29   0.46   — 1.01  
1999 1.33 2.64 3.59   4.80 — 4.61   0.44   — 1.05  
2000 1.24 4.78 5.66   8.60 — 8.24   0.43   — 1.35  
  Expenditures in Million Nominal Dollars
1970 1.8 21.7 0.1 [ R ] (s) — 0.1 [ R ] —   — 23.5  
1971 2.1 28.6 1.4   (s) — 1.5   —   — 32.2  
1972 2.3 32.6 7.5   1.5 — 8.9   —   — 43.8  
1973 3.1 25.2 44.4   3.6 — 48.1   —   — 76.3  
1974 8.2 22.8 86.7   8.3 — 95.0   —   — 126.0  
1975 18.5 13.9 75.4   21.8 — 97.2   —   — 129.6  
1976 29.7 21.3 72.4   15.7 — 88.1   —   — 139.0  
1977 75.7 33.9 98.6   18.7 — 117.3   —   — 226.9  
1978 72.7 77.1 57.6   19.1 — 76.8   —   — 226.5  
1979 163.7 112.5 83.3   15.3 — 98.6   —   — 374.8  
1980 226.3 126.7 29.2   16.5 — 45.7   —   — 398.7  
1981 308.6 161.7 6.4   12.6 — 19.1   —   — 489.4  
1982 361.0 119.8 4.7   10.9 — 15.6   —   — 496.4  
1983 321.6 82.5 17.6   7.9 — 25.5   —   — 429.6  
1984 349.0 106.8 15.5   6.4 — 21.9   —   — 477.7  
1985 396.0 165.5 3.4   7.7 — 11.0   7.8 [ R ] — 580.3 [ R ]
1986 340.5 75.2 0.1 [ R ] 5.1 — 5.1   68.4 [ R ] — 489.2 [ R ]
1987 350.2 60.7 1.5   8.3 — 9.8   114.8 [ R ] — 535.5 [ R ]
1988 416.9 58.7 0.3 [ R ] 4.9 — 5.2   188.1 [ R ] — 669.0 [ R ]
1989 466.4 118.0 2.6   5.6 — 8.2   70.8 [ R ] — 663.3 [ R ]
1990 472.4 59.5 0.2 [ R ] 6.0 — 6.2   156.7 [ R ] — 694.7 [ R ]
1991 470.0 47.9 0.3 [ R ] 4.2 — 4.5   184.4 [ R ] — 708.4 [ R ]
1992 489.2 70.6 0.2 [ R ] 3.3 — 3.6   146.7 [ R ] — 710.1 [ R ]
1993 508.7 59.0 0.4 [ R ] 2.8 — 3.2   133.7 [ R ] — 704.6 [ R ]
1994 532.6 52.8 3.2   1.7 — 4.9   138.1 [ R ] — 728.4 [ R ]
1995 458.9 33.3 0.2 [ R ] 3.2 — 3.4   138.7 [ R ] — 638.6 [ R ]
1996 476.3 58.3 0.6   3.2 — 3.7   148.4 [ R ] — 686.6 [ R ]
1997 506.8 69.8 (s)   3.4 — 3.4   149.5 [ R ] — 729.7 [ R ]
1998 496.7 93.8 —   2.9 — 2.9   147.2 [ R ] — 740.5 [ R ]
1999 517.9 135.9 0.3 [ R ] 2.1 — 2.4   141.3 [ R ] — 797.5 [ R ]
2000 516.1 446.8 1.6   17.9 — 19.5   137.2   — 1,119.6  
aThere are no direct fuel costs for hydroelectric, geothermal, wind, photovoltaic, or solar thermal energy. Net imports of electricity generated from nonrenewable energy sources are included in this total but not in any other columns. (s)=Value less than 0.05 million nominal dollars.
R=Revised data. Note: Expenditure totals may not equal sum of components due to independent rounding.
— No consumption. Sources: Data sources, estimation procedures, and assumptions are described in the Technical Notes.