Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000352541-22-000029-index-headers.html | 2022-02-28 17:45:22 | |
| 0000352541-22-000029-index.html | 2022-02-28 17:45:22 | |
| 0000352541-22-000029.txt | 2022-02-28 17:45:22 | |
 0000352541-22-000029-xbrl.zip | 95297 | 2022-02-28 17:45:22 |
 alliantenergylogoa.jpg | 408716 | 2022-02-28 17:45:22 |
| FilingSummary.xml | 1827 | 2022-02-28 17:45:22 |
| Financial_Report.xlsx | 5675 | 2022-02-28 17:45:22 |
| lnt-20220223.htm | 35573 | 2022-02-28 17:45:22 |
| lnt-20220223.xsd | 2264 | 2022-02-28 17:45:22 |
| lnt-20220223_def.xml | 14415 | 2022-02-28 17:45:22 |
| lnt-20220223_htm.xml | 10169 | 2022-02-28 17:45:22 |
| lnt-20220223_lab.xml | 27839 | 2022-02-28 17:45:22 |
| lnt-20220223_pre.xml | 14944 | 2022-02-28 17:45:22 |
| lnt022320228-kex41.htm | 653616 | 2022-02-28 17:45:22 |
| lnt022320228-kex991.htm | 10466 | 2022-02-28 17:45:22 |
| MetaLinks.json | 20133 | 2022-02-28 17:45:22 |
| R1.htm | 38822 | 2022-02-28 17:45:22 |
| report.css | 2767 | 2022-02-28 17:45:22 |
| Show.js | 1085 | 2022-02-28 17:45:22 |