APPENDIX A: COST OF ADJUSTMENT FACTOR
 
Month of Service
Date to Issue Bills
Jan. 15- Feb. 15 3/1/08
Feb 15- Mar. 15 4/1/08
Mar. 15- Apr. 15 5/1/08
Apr. 15- May 15 6/1/2008
   
Expected purchases from IMPA
   Energy, kWh
   Cost
   Average, cents/ kWh
 
Expected retail sales
   Energy, kWh
   Expected revenues
   Average, cents/ kWh
 
Cost adjustment factor, cents/kWh
 
New Revenue
 
1,255,048
$69,559
$5.54
 
 
1,192,296
$60,384
5.06
 
$0.55
 
$6,558
79.9%
1,002,815
$58,067
$5.79
 
 
952,674
$48,248
5.06
 
$1.50
 
$14,290
92.2%
924.370
$52,901
$5.72
 
 
878,152
$44,174
5.06
 
$2
 
$17,563
99.1%
916,256
$61.469
$6.71
 
 
870,443
$44,083
5.06
 
$2.50
 
$21,761
 
*Based on IMPA’s 2008 Rate Study
Assume losses of 5.00%
based on 2007 through August
 
Impact on Residential Customers with Monthly Consumption Of:
 
 
500 kWH
   Base bill
   Cost adjustment factor
 
   Percent increases from
   previous month
 
1,000 kWH
   Base bill
   Cost adjustment factor
 
   Percent increases from
   previous month
 
 
 
Average consumption, kWh
   Base bill
   Cost adjustment factor
 
   Percent increases from       previous month
 
 
 
 
 
 
 
$31
$2.75
$33.75
 
1.5%
 
 
$56
$5.50
$61.50
 
1.7%
 
 
 
797
$48.55
4.38
$50.23
 
 
 
 
 
 
 
$31
$7.50
$38.50
 
14.1%
 
 
$56
$15
$71
 
15.4%
 
 
83.8%
668
$39.40
10.02
$49.42
 
-1.6%
 
 
 
 
 
$31
$10
$41
 
6.5%
 
 
$56
$20
$76
 
7.0%
 
 
91.3%
610
$36.50
12.20
$48.70
 
-1.5%
 
 
 
 
 
$31
412.50
$43.50
 
6.1%
 
 
$56
$25
$81
 
6.6%
 
 
93.0%
567
$34.35
14.18
$48.53
 
-0.4%