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| 0000092122-22-000016-index.html | 2022-04-28 08:17:15 | |
| 0000092122-22-000016.txt | 2022-04-28 08:17:15 | |
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| ex9901-pressreleaseq12022.htm | 36644 | 2022-04-28 08:17:15 |
| ex9902-financialhighlights.htm | 39688 | 2022-04-28 08:17:15 |
| ex9903-significantfactorsi.htm | 35692 | 2022-04-28 08:17:15 |
| ex9904-epsearningsanalysis.htm | 22898 | 2022-04-28 08:17:15 |
| ex9905-consolidatedearning.htm | 57588 | 2022-04-28 08:17:15 |
| ex9906-kilowattxhoursalesa.htm | 36173 | 2022-04-28 08:17:15 |
| ex9907-financialoverviewq1.htm | 47960 | 2022-04-28 08:17:15 |
| FilingSummary.xml | 2011 | 2022-04-28 08:17:15 |
| Financial_Report.xlsx | 7511 | 2022-04-28 08:17:15 |
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| R1.htm | 88165 | 2022-04-28 08:17:15 |
| report.css | 2767 | 2022-04-28 08:17:15 |
| Show.js | 1085 | 2022-04-28 08:17:15 |
| so-20220428.htm | 115255 | 2022-04-28 08:17:15 |
| so-20220428.xsd | 5806 | 2022-04-28 08:17:15 |
| so-20220428_def.xml | 23329 | 2022-04-28 08:17:15 |
| so-20220428_htm.xml | 59791 | 2022-04-28 08:17:15 |
| so-20220428_lab.xml | 51300 | 2022-04-28 08:17:15 |
| so-20220428_pre.xml | 24376 | 2022-04-28 08:17:15 |
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