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|---|---|---|
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| 0000072909-24-000011-index.html | 2024-08-01 15:43:09 | |
| 0000072909-24-000011.txt | 2024-08-01 15:43:09 | |
 0000072909-24-000011-xbrl.zip | 152742 | 2024-08-01 15:43:09 |
| FilingSummary.xml | 23785 | 2024-08-01 15:43:09 |
| Financial_Report.xlsx | 56265 | 2024-08-01 15:43:09 |
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| nspw-20240630.htm | 792018 | 2024-08-01 15:43:09 |
| nspw-20240630.xsd | 29771 | 2024-08-01 15:43:09 |
| nspw-20240630_cal.xml | 64388 | 2024-08-01 15:43:09 |
| nspw-20240630_def.xml | 148643 | 2024-08-01 15:43:09 |
| nspw-20240630_htm.xml | 733959 | 2024-08-01 15:43:09 |
| nspw-20240630_lab.xml | 458513 | 2024-08-01 15:43:09 |
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| nspwex3101q22024.htm | 10755 | 2024-08-01 15:43:09 |
| nspwex3102q22024.htm | 10717 | 2024-08-01 15:43:09 |
| nspwex3201q22024.htm | 8856 | 2024-08-01 15:43:09 |
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| R8.htm | 16424 | 2024-08-01 15:43:09 |
| R9.htm | 28935 | 2024-08-01 15:43:09 |
| report.css | 2767 | 2024-08-01 15:43:09 |
| Show.js | 1085 | 2024-08-01 15:43:09 |