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|---|---|---|
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| 0000072909-22-000008-index.html | 2022-04-28 13:46:37 | |
| 0000072909-22-000008.txt | 2022-04-28 13:46:37 | |
 0000072909-22-000008-xbrl.zip | 186586 | 2022-04-28 13:46:37 |
| FilingSummary.xml | 26052 | 2022-04-28 13:46:37 |
| Financial_Report.xlsx | 53575 | 2022-04-28 13:46:37 |
| MetaLinks.json | 557168 | 2022-04-28 13:46:37 |
| nspw-20220331.htm | 849209 | 2022-04-28 13:46:37 |
| nspw-20220331.xsd | 41849 | 2022-04-28 13:46:37 |
| nspw-20220331_cal.xml | 69514 | 2022-04-28 13:46:37 |
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| nspw-20220331_lab.xml | 508079 | 2022-04-28 13:46:37 |
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| nspwex3101q12022.htm | 10858 | 2022-04-28 13:46:37 |
| nspwex3102q12022.htm | 10848 | 2022-04-28 13:46:37 |
| nspwex3201q12022.htm | 8988 | 2022-04-28 13:46:37 |
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| R9.htm | 28439 | 2022-04-28 13:46:37 |
| report.css | 2767 | 2022-04-28 13:46:37 |
| Show.js | 1085 | 2022-04-28 13:46:37 |