American Electric Power
Summary of Selected Sales Data
For Domestic Operations
(Data based on preliminary, unaudited results)
3 Months Ended June 30,
2004 2005 Change
ENERGY & DELIVERY SUMMARY
Retail - Domestic Electric (in millions of kWh):
   Residential 9,740 9,956 2.2%
   Commercial 9,390 9,573 1.9%
   Industrial 12,902 13,480 4.5%
   Miscellaneous 806 639 -20.7%
   Total Domestic Retail (Exclds AEP C&I, ME SWEPCo, & Tx POLR) (a) 32,838 33,648 2.5%
   AEP C&I, Mutual Energy SWEPCo, & Tx POLR 298 161 -46.0%
   Total Domestic Retail 33,136 33,809 2.0%
Wholesale - Domestic Electric (in millions of kWh): (b) 13,644 12,138 -11.0%
Texas Wires Delivery (in millions of kWh): 6,250 6,736 7.8%
EAST REGION WEATHER SUMMARY (in degree days):
Actual    - Heating (c) 168 165 -1.8%
              - Cooling (d) 313 287 -8.3%
Normal  - Heating (c) 176 -6.3% *
              - Cooling (d) 278 3.2% *
 
PSO/SWEPCo WEATHER SUMMARY (in degree days):
Actual    - Heating (c) 30 26 -13.3%
              - Cooling (d) 659 681 3.3%
Normal  - Heating (c) 33 -21.2% *
              - Cooling (d) 645 5.6% *
*  2005 Actual vs. Normal
(a) The energy summary represents load supplied by AEP.  The AEP C&I load has been segregated to clarify
      the year-to-year comparison.  Delivery of energy by Texas Wires supplied by others is not included.
(b) Includes Off-System Sales, Texas Supply, Municipalities and Cooperatives, Unit Power, and
    Other Wholesale Customers.
(c) Heating Degree Days temperature base is 55 degrees 
(d) Cooling Degree Days temperature base is 65 degrees