| Electric Operations (year-end
2010) - Total Retail Customers: 728,852 |
| Iowa: |
639,733 |
 |
| Illinois: |
84,759 |
|
| South Dakota: |
4,360 |
|
| Residential: |
628,860 |
|
| Small General Service: |
84,186 |
|
| Large General Service: |
1,499 |
|
| Other Retail: |
14,307 |
|
| Avg. Price Per Kilowatt-hour (Residential): |
$0.0835 |
|
| Avg. Price Per Kilowatt-hour (Industrial): |
$0.0409 |
|
| Avg. Price Per Kilowatt-hour (Retail): |
$0.0600 |
|
| Avg. Annual Revenue Per Customer (Residential): |
$872 |
|
| Avg. Annual Revenue Per Customer (Retail): |
$1,794 |
|
| Accredited Net Generating Capacity in MW (owned): |
5,319 |
|
| Accredited Net Generating Capacity in MW (net sold): |
76 |
|
| Total Accredited Net Generating Capacity in MW (owned and other, net): |
5,243 |
|
| Record Summer Peak Load in MW –
July 14, 2010: |
4,515 |
|
| Natural Gas Operations (year-end
2010) - Total Retail Customers: 708,874 |
| Iowa: |
553,321 |
|
| Illinois: |
65,530 |
|
| South Dakota: |
85,659 |
|
| Nebraska: |
4,364 |
|
| Transportation customers: |
1,508 |
|
| Residential: |
643,599 |
|
| Small and Large General Service: |
65,221 |
|
| Avg.
Price Per MMBtu (Residential): |
$9.247 |
|
| Avg.
Price Per MMBtu (Industrial): |
$5.611 |
|
| Avg.
Price Per MMBtu (Retail): |
$8.122 |
|
| Avg.
Annual Revenue Per Customer (Residential): |
$726 |
|
| Avg.
Annual Revenue Per Customer (Retail): |
$963 |
|
| Peak Day Volume in MMBtu -
Jan. 15, 2009: |
1,155,474 |
|
|