| Percentage | |||||||
| Conventional | Geo- | Total | of total | ||||
| hydroelectric | thermal | Solar | Wind | renewable | U.S. energy | ||
| Year | power | energy | Biomass | energy | energy | energy | production |
| quadrillion Btu | percent | ||||||
| 1960 | 1.608 | 0.001 | 1.320 | 0.000 | 0.000 | 2.929 | 6.84 |
| 1961 | 1.656 | 0.002 | 1.295 | 0.000 | 0.000 | 2.953 | 6.82 |
| 1962 | 1.816 | 0.002 | 1.300 | 0.000 | 0.000 | 3.119 | 6.95 |
| 1963 | 1.771 | 0.004 | 1.323 | 0.000 | 0.000 | 3.098 | 6.57 |
| 1964 | 1.886 | 0.005 | 1.337 | 0.000 | 0.000 | 3.228 | 6.58 |
| 1965 | 2.059 | 0.004 | 1.335 | 0.000 | 0.000 | 3.398 | 6.71 |
| 1966 | 2.062 | 0.004 | 1.369 | 0.000 | 0.000 | 3.435 | 6.42 |
| 1967 | 2.347 | 0.007 | 1.340 | 0.000 | 0.000 | 3.694 | 6.55 |
| 1968 | 2.349 | 0.009 | 1.419 | 0.000 | 0.000 | 3.778 | 6.49 |
| 1969 | 2.648 | 0.013 | 1.440 | 0.000 | 0.000 | 4.102 | 6.78 |
| 1970 | 2.634 | 0.011 | 1.431 | 0.000 | 0.000 | 4.076 | 6.42 |
| 1971 | 2.824 | 0.012 | 1.432 | 0.000 | 0.000 | 4.268 | 6.80 |
| 1972 | 2.864 | 0.031 | 1.503 | 0.000 | 0.000 | 4.398 | 6.88 |
| 1973 | 2.861 | 0.043 | 1.529 | 0.000 | 0.000 | 4.433 | 6.97 |
| 1974 | 3.177 | 0.053 | 1.540 | 0.000 | 0.000 | 4.769 | 7.65 |
| 1975 | 3.155 | 0.070 | 1.499 | 0.000 | 0.000 | 4.723 | 7.70 |
| 1976 | 2.976 | 0.078 | 1.713 | 0.000 | 0.000 | 4.768 | 7.74 |
| 1977 | 2.333 | 0.077 | 1.838 | 0.000 | 0.000 | 4.249 | 6.85 |
| 1978 | 2.937 | 0.064 | 2.038 | 0.000 | 0.000 | 5.039 | 7.98 |
| 1979 | 2.931 | 0.084 | 2.152 | 0.000 | 0.000 | 5.166 | 7.83 |
| 1980 | 2.900 | 0.110 | 2.485 | 0.000 | 0.000 | 5.495 | 8.17 |
| 1981 | 2.758 | 0.123 | 2.590 | 0.000 | 0.000 | 5.471 | 8.16 |
| 1982 | 3.266 | 0.105 | 2.616 | 0.000 | 0.000 | 5.986 | 8.99 |
| 1983 | 3.527 | 0.129 | 2.831 | 0.000 | (s) | 6.488 | 10.12 |
| 1984 | 3.386 | 0.165 | 2.880 | 0.000 | (s) | 6.431 | 9.34 |
| 1985 | 2.970 | 0.198 | 2.840 | 0.000 | (s) | 6.009 | 8.88 |
| 1986 | 3.071 | 0.219 | 2.815 | 0.000 | (s) | 6.106 | 9.09 |
| 1987 | 2.635 | 0.229 | 2.794 | 0.000 | (s) | 5.658 | 8.35 |
| 1988 | 2.334 | 0.217 | 2.905 | 0.000 | (s) | 5.457 | 7.91 |
| 1989 | 2.839 | 0.321 | 3.019 | 0.058 | 0.019 | 6.256 | 9.01 |
| 1990 | 3.033 | 0.344 | 2.632 | 0.063 | 0.023 | 6.095 | 8.61 |
| 1991 | 3.008 | 0.349 | 2.642 | 0.066 | 0.027 | 6.092 | 8.65 |
| 1992 | 2.618 | 0.361 | 2.788 | 0.068 | 0.030 | 5.865 | 8.38 |
| 1993 | 2.893 | 0.375 | 2.784 | 0.071 | 0.031 | 6.154 | 9.00 |
| 1994 | 2.685 | 0.370 | 2.917 | 0.072 | 0.036 | 6.080 | 8.58 |
| 1995 | 3.209 | 0.321 | 3.048 | 0.073 | 0.033 | 6.684 | 9.38 |
| 1996 | 3.593 | 0.339 | 3.108 | 0.075 | 0.035 | 7.149 | 9.86 |
| 1997 | 3.703 | 0.322 | 2.981 | 0.074 | 0.035 | 7.115 | 9.81 |
| 1998 | 3.391 | 0.314 | 3.052 | 0.074 | 0.036 | 6.867 | 9.42 |
Source: U.S. Department of Energy, Energy Information Administration, Annual Energy Review 1998, Table 1.2, p. 7, DOE/EIA-0035(98) (GPO, Washington, DC, 1999).
Notes: (s) = less than 0.0005 quadrillion Btu. Current-year data are preliminary and may be revised in future publications. This table provides detail on renewable energy productrion summarized in Table 9.2. Hydroelectric does not include pumped storage production. See Table 9.12 for definitions of different renewable energy sources.
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