Ameren CILCO
Yearly Averages
Year
Cents/Therm
2009
61.39
2008
101.27
2007
77.60
2006
79.15
2005
79.89
2004
63.81
2003
60.40
2002
42.95
2001
50.46
2000
46.21
1999
30.91
1998
28.35
1997
29.09
1996
28.62
1995
22.64
Last updated: November 4, 2009
Monthly Charges in Cents/Therm
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Spt
Oct
Nov
Dec
'09
85.16
77.29
63.83
55.09
55.86
54.34
54.23
58.08
57.60
56.69
57.14
—
'08
71.17
74.29
79.62
87.21
95.33
109.81
119.00
129.69
129.49
129.49
95.07
93.73
'07
74.39
75.54
75.44
78.71
85.26
82.69
83.35
81.76
76.96
70.91
68.62
72.65
'06
107.32
99.04
91.51
78.73
78.38
70.87
75.33
68.45
68.74
71.20
69.50
70.67
'05
68.66
63.21
62.28
68.45
70.59
71.30
76.77
80.59
88.12
95.54
106.68
106.48
'04
65.53
65.70
62.08
58.41
63.87
62.11
69.34
64.70
62.27
55.49
69.25
67.02
'03
49.45
51.31
69.29
66.48
65.39
67.18
69.47
54.84
55.08
57.67
62.26
56.38
'02
40.19
36.11
39.04
45.40
45.00
43.35
45.01
41.42
47.63
40.38
48.09
43.77
'01
89.21
95.21
68.45
68.55
53.53
47.58
35.47
32.86
24.25
20.34
35.52
34.56
'00
28.82
29.42
35.71
33.40
39.69
49.28
49.42
47.99
54.39
61.81
59.34
65.22
'99
27.60
25.93
25.43
25.71
29.41
29.92
29.59
34.11
36.97
35.65
38.63
31.92
'98
27.71
27.14
28.48
29.28
31.22
29.90
31.21
26.43
23.00
27.62
27.68
30.54
'97
48.08
39.22
22.52
22.27
21.67
21.82
22.41
22.70
25.71
34.33
37.68
30.63
'96
24.98
27.91
36.47
36.01
25.93
27.23
26.53
25.30
22.38
23.48
29.97
37.20
'95
22.59
22.50
21.93
21.52
22.94
24.49
24.21
21.42
20.48
22.08
23.22
24.33