Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Q1 | Q2 | Q3 | Q4 | Annual | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Capacity (percent of 2007 output) |
|||||||||||||||||
1980 | 56.8 | 56.9 | 57.0 | 57.2 | 57.3 | 57.5 | 57.6 | 57.8 | 57.9 | 58.1 | 58.3 | 58.4 | 56.9 | 57.3 | 57.8 | 58.3 | 57.6 |
1981 | 58.6 | 58.8 | 58.9 | 59.1 | 59.3 | 59.4 | 59.6 | 59.7 | 59.9 | 60.0 | 60.1 | 60.3 | 58.8 | 59.3 | 59.7 | 60.1 | 59.5 |
1982 | 60.4 | 60.5 | 60.7 | 60.8 | 60.9 | 61.0 | 61.1 | 61.2 | 61.3 | 61.4 | 61.4 | 61.5 | 60.5 | 60.9 | 61.2 | 61.4 | 61.0 |
1983 | 61.6 | 61.6 | 61.6 | 61.7 | 61.7 | 61.7 | 61.8 | 61.8 | 61.8 | 61.9 | 61.9 | 62.0 | 61.6 | 61.7 | 61.8 | 61.9 | 61.8 |
1984 | 62.1 | 62.2 | 62.3 | 62.4 | 62.5 | 62.6 | 62.8 | 62.9 | 63.1 | 63.3 | 63.5 | 63.7 | 62.2 | 62.5 | 62.9 | 63.5 | 62.8 |
1985 | 63.9 | 64.0 | 64.2 | 64.4 | 64.6 | 64.8 | 65.0 | 65.1 | 65.2 | 65.3 | 65.4 | 65.5 | 64.0 | 64.6 | 65.1 | 65.4 | 64.8 |
1986 | 65.6 | 65.7 | 65.7 | 65.8 | 65.8 | 65.9 | 65.9 | 66.0 | 66.1 | 66.2 | 66.3 | 66.4 | 65.7 | 65.8 | 66.0 | 66.3 | 65.9 |
1987 | 66.6 | 66.7 | 66.9 | 67.1 | 67.3 | 67.4 | 67.6 | 67.8 | 67.9 | 68.1 | 68.2 | 68.3 | 66.7 | 67.3 | 67.8 | 68.2 | 67.5 |
1988 | 68.3 | 68.4 | 68.4 | 68.5 | 68.5 | 68.5 | 68.6 | 68.6 | 68.6 | 68.7 | 68.7 | 68.8 | 68.4 | 68.5 | 68.6 | 68.7 | 68.6 |
1989 | 68.9 | 69.0 | 69.1 | 69.3 | 69.4 | 69.6 | 69.7 | 69.9 | 70.0 | 70.2 | 70.4 | 70.6 | 69.0 | 69.4 | 69.9 | 70.4 | 69.7 |
1990 | 70.7 | 70.9 | 71.1 | 71.2 | 71.4 | 71.6 | 71.7 | 71.9 | 72.0 | 72.1 | 72.3 | 72.4 | 70.9 | 71.4 | 71.9 | 72.3 | 71.6 |
1991 | 72.5 | 72.7 | 72.8 | 72.9 | 73.0 | 73.1 | 73.2 | 73.3 | 73.4 | 73.4 | 73.5 | 73.6 | 72.7 | 73.0 | 73.3 | 73.5 | 73.1 |
1992 | 73.8 | 73.9 | 74.0 | 74.2 | 74.4 | 74.6 | 74.8 | 75.0 | 75.2 | 75.3 | 75.5 | 75.7 | 73.9 | 74.4 | 75.0 | 75.5 | 74.7 |
1993 | 75.9 | 76.0 | 76.2 | 76.3 | 76.4 | 76.5 | 76.6 | 76.7 | 76.9 | 77.0 | 77.1 | 77.3 | 76.0 | 76.4 | 76.7 | 77.1 | 76.6 |
1994 | 77.4 | 77.6 | 77.8 | 78.0 | 78.2 | 78.5 | 78.7 | 79.0 | 79.3 | 79.6 | 79.9 | 80.2 | 77.6 | 78.3 | 79.0 | 79.9 | 78.7 |
1995 | 80.5 | 80.8 | 81.1 | 81.4 | 81.8 | 82.1 | 82.5 | 82.8 | 83.2 | 83.6 | 84.0 | 84.4 | 80.8 | 81.8 | 82.8 | 84.0 | 82.4 |
1996 | 84.9 | 85.3 | 85.8 | 86.2 | 86.7 | 87.1 | 87.6 | 88.1 | 88.5 | 89.0 | 89.5 | 90.0 | 85.3 | 86.7 | 88.1 | 89.5 | 87.4 |
1997 | 90.5 | 91.0 | 91.5 | 92.1 | 92.6 | 93.2 | 93.8 | 94.5 | 95.1 | 95.8 | 96.5 | 97.2 | 91.0 | 92.7 | 94.5 | 96.5 | 93.7 |
1998 | 98.0 | 98.7 | 99.4 | 100.2 | 100.9 | 101.6 | 102.2 | 102.8 | 103.5 | 104.0 | 104.6 | 105.2 | 98.7 | 100.9 | 102.8 | 104.6 | 101.8 |
1999 | 105.7 | 106.2 | 106.7 | 107.2 | 107.7 | 108.2 | 108.7 | 109.2 | 109.6 | 110.1 | 110.6 | 111.1 | 106.2 | 107.7 | 109.2 | 110.6 | 108.4 |
2000 | 111.6 | 112.0 | 112.5 | 113.0 | 113.4 | 113.9 | 114.3 | 114.8 | 115.2 | 115.6 | 116.0 | 116.4 | 112.0 | 113.4 | 114.8 | 116.0 | 114.1 |
2001 | 116.8 | 117.2 | 117.6 | 117.9 | 118.2 | 118.5 | 118.8 | 119.0 | 119.3 | 119.5 | 119.7 | 119.8 | 117.2 | 118.2 | 119.0 | 119.6 | 118.5 |
2002 | 120.0 | 120.1 | 120.2 | 120.3 | 120.3 | 120.4 | 120.4 | 120.4 | 120.4 | 120.4 | 120.4 | 120.4 | 120.1 | 120.3 | 120.4 | 120.4 | 120.3 |
2003 | 120.4 | 120.4 | 120.3 | 120.3 | 120.2 | 120.2 | 120.2 | 120.1 | 120.1 | 120.0 | 119.9 | 119.9 | 120.4 | 120.2 | 120.1 | 119.9 | 120.2 |
2004 | 119.8 | 119.8 | 119.7 | 119.7 | 119.6 | 119.6 | 119.6 | 119.6 | 119.6 | 119.7 | 119.7 | 119.8 | 119.8 | 119.6 | 119.6 | 119.7 | 119.7 |
2005 | 119.9 | 120.0 | 120.2 | 120.3 | 120.5 | 120.7 | 120.9 | 121.1 | 121.2 | 121.4 | 121.6 | 121.8 | 120.0 | 120.5 | 121.1 | 121.6 | 120.8 |
2006 | 121.9 | 122.1 | 122.2 | 122.4 | 122.6 | 122.7 | 122.9 | 123.1 | 123.3 | 123.5 | 123.7 | 123.9 | 122.1 | 122.6 | 123.1 | 123.7 | 122.9 |
2007 | 124.2 | 124.4 | 124.7 | 125.0 | 125.3 | 125.5 | 125.8 | 126.0 | 126.3 | 126.5 | 126.7 | 126.9 | 124.4 | 125.3 | 126.0 | 126.7 | 125.6 |
2008 | 127.0 | 127.2 | 127.3 | 127.4 | 127.4 | 127.4 | 127.5 | 127.5 | 127.5 | 127.4 | 127.4 | 127.3 | 127.2 | 127.4 | 127.5 | 127.4 | 127.3 |
2009 | 127.2 | 127.1 | 127.0 | 126.8 | 126.7 | 126.5 | 126.4 | 126.2 | 126.1 | 126.0 | 125.9 | 125.8 | 127.1 | 126.7 | 126.2 | 125.9 | 126.5 |
2010 | 125.7 | 125.6 | 125.6 | 125.5 | 125.5 | 125.6 | |||||||||||
Utilization (percent) |
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1980 | 83.0 | 82.8 | 82.0 | 80.1 | 77.5 | 76.1 | 75.2 | 75.5 | 76.5 | 77.7 | 78.9 | 78.9 | 82.6 | 77.9 | 75.7 | 78.5 | 78.7 |
1981 | 78.4 | 77.7 | 77.8 | 78.0 | 78.2 | 77.6 | 77.5 | 77.4 | 76.9 | 76.0 | 74.9 | 73.5 | 78.0 | 77.9 | 77.3 | 74.8 | 77.0 |
1982 | 71.6 | 73.3 | 72.6 | 72.0 | 71.7 | 71.4 | 71.2 | 70.5 | 70.2 | 69.4 | 68.9 | 68.5 | 72.5 | 71.7 | 70.7 | 68.9 | 70.9 |
1983 | 70.1 | 70.0 | 70.6 | 71.4 | 72.3 | 72.8 | 73.8 | 74.4 | 75.7 | 76.5 | 76.7 | 76.8 | 70.3 | 72.2 | 74.6 | 76.7 | 73.4 |
1984 | 78.2 | 78.9 | 79.1 | 79.4 | 79.5 | 79.6 | 79.8 | 79.7 | 79.4 | 79.4 | 79.4 | 79.5 | 78.7 | 79.5 | 79.6 | 79.5 | 79.3 |
1985 | 79.0 | 78.5 | 78.9 | 78.4 | 78.2 | 78.2 | 77.5 | 77.8 | 77.7 | 77.4 | 77.8 | 78.0 | 78.8 | 78.3 | 77.7 | 77.7 | 78.1 |
1986 | 78.7 | 78.2 | 77.9 | 78.2 | 78.2 | 77.9 | 78.3 | 78.4 | 78.4 | 78.6 | 78.9 | 79.4 | 78.3 | 78.1 | 78.4 | 79.0 | 78.4 |
1987 | 79.0 | 79.9 | 79.8 | 80.1 | 80.4 | 80.5 | 80.9 | 81.1 | 81.4 | 82.5 | 82.9 | 83.3 | 79.6 | 80.3 | 81.1 | 82.9 | 81.0 |
1988 | 83.0 | 83.1 | 83.3 | 84.0 | 83.9 | 84.0 | 84.0 | 84.0 | 84.2 | 84.6 | 84.8 | 85.0 | 83.2 | 83.9 | 84.1 | 84.8 | 84.0 |
1989 | 85.6 | 84.6 | 84.4 | 84.4 | 83.5 | 83.4 | 82.3 | 82.9 | 82.5 | 82.2 | 82.1 | 82.0 | 84.9 | 83.8 | 82.6 | 82.1 | 83.3 |
1990 | 81.7 | 82.7 | 82.8 | 82.4 | 82.3 | 82.3 | 82.0 | 82.1 | 81.9 | 81.1 | 80.0 | 79.2 | 82.4 | 82.4 | 82.0 | 80.1 | 81.7 |
1991 | 78.5 | 77.9 | 77.2 | 77.3 | 77.8 | 78.6 | 78.7 | 78.8 | 79.5 | 79.3 | 79.0 | 78.8 | 77.9 | 77.9 | 79.0 | 79.0 | 78.5 |
1992 | 78.2 | 78.8 | 79.4 | 79.6 | 79.9 | 79.9 | 80.4 | 79.8 | 79.6 | 79.9 | 80.0 | 79.7 | 78.8 | 79.8 | 79.9 | 79.9 | 79.6 |
1993 | 80.3 | 80.3 | 80.0 | 80.3 | 80.2 | 79.9 | 80.0 | 79.8 | 80.2 | 80.8 | 81.0 | 81.2 | 80.2 | 80.1 | 80.0 | 81.0 | 80.3 |
1994 | 81.2 | 81.1 | 82.0 | 82.4 | 82.7 | 82.7 | 82.8 | 83.2 | 83.1 | 83.7 | 84.0 | 84.6 | 81.4 | 82.6 | 83.0 | 84.1 | 82.8 |
1995 | 84.6 | 84.2 | 84.0 | 83.6 | 83.2 | 83.2 | 82.4 | 83.0 | 83.3 | 82.8 | 82.4 | 82.4 | 84.3 | 83.3 | 82.9 | 82.5 | 83.3 |
1996 | 81.4 | 82.3 | 81.6 | 82.0 | 82.1 | 82.6 | 82.4 | 82.5 | 82.6 | 82.1 | 82.3 | 82.6 | 81.8 | 82.3 | 82.5 | 82.3 | 82.2 |
1997 | 82.2 | 82.8 | 83.4 | 82.7 | 82.9 | 82.9 | 82.8 | 83.6 | 83.7 | 83.6 | 83.9 | 83.6 | 82.8 | 82.9 | 83.3 | 83.7 | 83.2 |
1998 | 83.7 | 83.2 | 82.5 | 82.3 | 82.2 | 81.0 | 80.1 | 81.7 | 80.9 | 81.2 | 80.9 | 80.9 | 83.1 | 81.8 | 80.9 | 81.0 | 81.7 |
1999 | 80.7 | 80.9 | 80.5 | 80.4 | 80.8 | 80.1 | 80.2 | 80.3 | 79.7 | 80.6 | 80.7 | 80.9 | 80.7 | 80.4 | 80.1 | 80.7 | 80.5 |
2000 | 80.7 | 80.6 | 80.8 | 81.0 | 80.5 | 80.3 | 80.0 | 79.2 | 79.3 | 78.7 | 78.2 | 77.4 | 80.7 | 80.6 | 79.5 | 78.1 | 79.7 |
2001 | 76.6 | 76.0 | 75.5 | 75.1 | 74.4 | 73.7 | 73.2 | 72.6 | 72.3 | 71.7 | 71.4 | 71.5 | 76.0 | 74.4 | 72.7 | 71.6 | 73.7 |
2002 | 71.8 | 71.7 | 72.2 | 72.2 | 72.7 | 73.5 | 73.1 | 73.4 | 73.4 | 73.1 | 73.4 | 73.0 | 71.9 | 72.8 | 73.3 | 73.2 | 72.8 |
2003 | 73.5 | 73.6 | 73.8 | 73.2 | 73.2 | 73.5 | 73.7 | 73.5 | 74.1 | 74.1 | 74.9 | 74.8 | 73.6 | 73.3 | 73.7 | 74.6 | 73.8 |
2004 | 74.8 | 75.3 | 75.2 | 75.6 | 76.2 | 75.5 | 76.2 | 76.7 | 76.5 | 77.3 | 77.2 | 77.6 | 75.1 | 75.8 | 76.5 | 77.4 | 76.2 |
2005 | 78.1 | 78.7 | 78.4 | 78.4 | 78.6 | 78.5 | 78.4 | 78.4 | 77.5 | 78.6 | 79.0 | 78.9 | 78.4 | 78.5 | 78.1 | 78.8 | 78.5 |
2006 | 79.4 | 79.1 | 78.9 | 79.3 | 78.9 | 79.0 | 79.0 | 79.2 | 79.1 | 78.7 | 78.6 | 79.7 | 79.1 | 79.1 | 79.1 | 79.0 | 79.1 |
2007 | 79.2 | 79.5 | 79.9 | 80.3 | 80.0 | 79.9 | 80.0 | 79.5 | 79.7 | 79.0 | 79.1 | 79.2 | 79.5 | 80.1 | 79.7 | 79.1 | 79.6 |
2008 | 78.7 | 78.2 | 78.0 | 77.0 | 76.5 | 76.0 | 75.6 | 75.0 | 72.6 | 72.4 | 71.0 | 69.2 | 78.3 | 76.5 | 74.4 | 70.9 | 75.0 |
2009 | 67.4 | 67.3 | 66.2 | 65.9 | 65.4 | 65.4 | 66.6 | 67.6 | 68.1 | 68.2 | 69.0 | 69.1 | 67.0 | 65.6 | 67.4 | 68.8 | 67.2 |
2010 | 69.8 | 69.7 | 70.5 | 71.1 | 71.9 | 70.0 |
Note: Estimates from January 2010 through May 2010 are subject to further revision in the upcoming monthly releases.
[1] See footnote 2 to table 3. Return to table