Parent Directory| Name | Size | Last Modified |
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| 0000092122-23-000030-index.html | 2023-04-27 08:12:27 | |
| 0000092122-23-000030.txt | 2023-04-27 08:12:27 | |
 0000092122-23-000030-xbrl.zip | 40938 | 2023-04-27 08:12:27 |
| ex9901-pressreleaseq12023.htm | 25564 | 2023-04-27 08:12:27 |
| ex9902-financialhighlights.htm | 38759 | 2023-04-27 08:12:27 |
| ex9903-significantfactorsi.htm | 34928 | 2023-04-27 08:12:27 |
| ex9904-epsearningsanalysis.htm | 25289 | 2023-04-27 08:12:27 |
| ex9905-consolidatedearning.htm | 56222 | 2023-04-27 08:12:27 |
| ex9906-kilowattxhoursalesa.htm | 36150 | 2023-04-27 08:12:27 |
| ex9907-financialoverviewq1.htm | 47944 | 2023-04-27 08:12:27 |
| FilingSummary.xml | 2011 | 2023-04-27 08:12:27 |
| Financial_Report.xlsx | 7445 | 2023-04-27 08:12:27 |
| MetaLinks.json | 28551 | 2023-04-27 08:12:27 |
| R1.htm | 79089 | 2023-04-27 08:12:27 |
| report.css | 2767 | 2023-04-27 08:12:27 |
| Show.js | 1085 | 2023-04-27 08:12:27 |
| so-20230427.htm | 105404 | 2023-04-27 08:12:27 |
| so-20230427.xsd | 5112 | 2023-04-27 08:12:27 |
| so-20230427_def.xml | 21841 | 2023-04-27 08:12:27 |
| so-20230427_htm.xml | 53583 | 2023-04-27 08:12:27 |
| so-20230427_lab.xml | 46990 | 2023-04-27 08:12:27 |
| so-20230427_pre.xml | 22713 | 2023-04-27 08:12:27 |
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