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| 0000092122-22-000005.txt | 2022-02-17 08:12:27 | |
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| ex9901-pressreleaseq42021.htm | 54690 | 2022-02-17 08:12:27 |
| ex9902-financialhighlights.htm | 69867 | 2022-02-17 08:12:27 |
| ex9903-significantfactorsi.htm | 55900 | 2022-02-17 08:12:27 |
| ex9904-epsearningsanalysis.htm | 36195 | 2022-02-17 08:12:27 |
| ex9905-consolidatedearning.htm | 95107 | 2022-02-17 08:12:27 |
| ex9906-kilowattxhoursalesa.htm | 49991 | 2022-02-17 08:12:27 |
| ex9907-financialoverviewq4.htm | 70332 | 2022-02-17 08:12:27 |
| FilingSummary.xml | 2014 | 2022-02-17 08:12:27 |
| Financial_Report.xlsx | 7509 | 2022-02-17 08:12:27 |
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| R1.htm | 87513 | 2022-02-17 08:12:27 |
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| Show.js | 1085 | 2022-02-17 08:12:27 |
| so-20220217.htm | 115701 | 2022-02-17 08:12:27 |
| so-20220217.xsd | 5806 | 2022-02-17 08:12:27 |
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