Document Format Files
Data Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 2 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | so-20250331.xsd | EX-101.SCH | 2699 |
| 3 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | so-20250331_def.xml | EX-101.DEF | 3564 |
| 4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | so-20250331_lab.xml | EX-101.LAB | 3644 |
| 5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | so-20250331_pre.xml | EX-101.PRE | 2313 |
| 220 | EXTRACTED XBRL INSTANCE DOCUMENT | so-20250331_htm.xml | XML | 141023 |
EIN.: 580690070 | State of Incorp.: DE | Fiscal Year End: 1231
Type: PRE 14A | Act: 34 | File No.: 001-03526 | Film No.: 25793855
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)