| Electric Operations (year-end
2012) - Total Retail Customers: 733,985 |
| Iowa: |
644,597 |
 |
| Illinois: |
84,948 |
|
| South Dakota: |
4,440 |
|
| Residential: |
632,894 |
|
| Small General Service: |
85,173 |
|
| Large General Service: |
1,560 |
|
| Other Retail: |
14,358 |
|
| Avg. Price Per Kilowatt-hour (Residential): |
$0.0881 |
|
| Avg. Price Per Kilowatt-hour (Industrial): |
$0.0430 |
|
| Avg. Price Per Kilowatt-hour (Retail): |
$0.0624 |
|
| Avg. Annual Revenue Per Customer (Residential): |
$883 |
|
| Avg. Annual Revenue Per Customer (Retail): |
$1,865 |
|
| Accredited Net Generating Capacity in MW (owned): |
5,402 |
|
| Accredited Net Generating Capacity in MW (net sold): |
59 |
|
| Total Accredited Net Generating Capacity in MW (owned and other, net): |
5,343 |
|
| Record Summer Peak Load in MW –
July 19, 2011: |
4,752 |
|
| Natural Gas Operations (year-end
2012) - Total Retail Customers: 712,022 |
| Iowa: |
555,864 |
|
| Illinois: |
65,436 |
|
| South Dakota: |
86,370 |
|
| Nebraska: |
4,352 |
|
| Transportation customers: |
1,595 |
|
| Residential: |
646,924 |
|
| Small and Large General Service: |
65,043 |
|
| Avg.
Price Per MMBtu (Residential): |
$9.112 |
|
| Avg.
Price Per MMBtu (Industrial): |
$4.121 |
|
| Avg.
Price Per MMBtu (Retail): |
$7.850 |
|
| Avg.
Annual Revenue Per Customer (Residential): |
$582 |
|
| Avg.
Annual Revenue Per Customer (Retail): |
$759 |
|
| Peak Day Volume in MMBtu -
Jan. 15, 2009: |
1,155,473 |
|
|