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Page 1 Jan 2009
US Weekly Generation-Last 3 Summers
60,000
65,000
70,000
75,000
80,000
85,000
90,000
95,000
100,000
105,000
1 11 21 31 41 51 61 71 81 91 101 111 121 131 141 151
200820072006
Page 2 Jan 2009
US Cooling Degree Days
1 16 31 46 61 76 91 106
Months Since January 2000
0
50
100
150
200
250
300
350
400
450
Ê U.S. Cooling Degree-Days
Cooler Summers
Jul-Aug 00 Jul-Aug 02 Jul-Aug 08Jul-Aug 06Jul-Aug 04
1992-99 Aug Avg 296
1992-1999 July Avg 330
Generation/Demand Follows Weather Patterns
