<?xml version="1.0" ?><!--XBRL Document Created with Wdesk from Workiva--><!--Copyright 2023 Workiva--><!--r:93515b4e-4f0d-42a7-b59f-22803ed28da1,g:f5342038-af16-481a-9858-d2facf2cd751,d:00433ce227c642d481a2e430d607959e--><html xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2020-02-12" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:dei="http://xbrl.sec.gov/dei/2022" xmlns:us-gaap="http://fasb.org/us-gaap/2022" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/1999/xhtml" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xml:lang="en-US"><head><meta http-equiv="Content-Type" content="text/html"/>


<title>so-20230103</title></head><body><div style="display:none"><ix:header><ix:hidden><ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:EntityCentralIndexKey" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV80L2ZyYWc6YWY1NDU1NDcwMzZmNGRlMDk0YWRiYzE0NzZkOGE1NDUvdGFibGU6OWRjNTVlZDY5ZDQ4NDI1ZDgyYzI2ZGE0NzRiNmUzMzUvdGFibGVyYW5nZTo5ZGM1NWVkNjlkNDg0MjVkODJjMjZkYTQ3NGI2ZTMzNV8xLTEtMS0xLTQ5MjQyNw_5ac26ee0-8aab-41e6-b16d-2c9c48e0b05d">0001004155</ix:nonNumeric><ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:AmendmentFlag" format="ixt:fixed-false" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV80L2ZyYWc6YWY1NDU1NDcwMzZmNGRlMDk0YWRiYzE0NzZkOGE1NDUvdGFibGU6OWRjNTVlZDY5ZDQ4NDI1ZDgyYzI2ZGE0NzRiNmUzMzUvdGFibGVyYW5nZTo5ZGM1NWVkNjlkNDg0MjVkODJjMjZkYTQ3NGI2ZTMzNV8yLTEtMS0xLTQ5MjQyNw_856c0d31-0433-4e10-87f2-1096ea944541">False</ix:nonNumeric></ix:hidden><ix:references xml:lang="en-US"><link:schemaRef xlink:type="simple" xlink:href="so-20230103.xsd"></link:schemaRef></ix:references><ix:resources><xbrli:context id="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001004155</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2023-01-03</xbrli:startDate><xbrli:endDate>2023-01-03</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div><div id="i00433ce227c642d481a2e430d607959e_1"></div><div style="min-height:36pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">UNITED STATES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">SECURITIES AND EXCHANGE COMMISSION</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Washington, D. C.  20549 </span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">FORM <ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:DocumentType" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGV4dHJlZ2lvbjo4MWEyYzM5NjdkYjE0ZTkyOTU2NWRmYTUxODE2MjllZF8xMTIz_ef2c7db9-3a0e-4512-a19f-d615fcb8ebf4">8-K</ix:nonNumeric> </span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">CURRENT REPORT</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</span></div><div style="text-align:center"><span><br/></span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:460.50pt"><tr><td style="width:1.0pt"></td><td style="width:3.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:247.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:132.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:69.25pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Date of Report (Date of earliest event reported)</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:DocumentPeriodEndDate" format="ixt:date-monthname-day-year-en" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGFibGU6N2VlOGQ5YzIzNmJlNDMyMDkyYzhkZTlhZTBmOTljM2UvdGFibGVyYW5nZTo3ZWU4ZDljMjM2YmU0MzIwOTJjOGRlOWFlMGY5OWMzZV8wLTItMS0xLTQ5MjQyNw_427db937-67a6-42b7-b611-79a82f29596d">January 3, 2023</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><span><br/></span></div><div style="margin-top:14pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:94.883%"><tr><td style="width:1.0%"></td><td style="width:5.679%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.235%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.679%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:35.109%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.679%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.235%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.684%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Commission<br/>File Number</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Registrant,<br/>State of Incorporation,<br/>Address and Telephone Number</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">I.R.S. Employer<br/>Identification No.</span></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:94.883%"><tr><td style="width:1.0%"></td><td style="width:5.679%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.235%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.679%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:35.109%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.679%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.235%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.684%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:EntityFileNumber" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGFibGU6MzI3YmE3MzA3Mjk5NDEwNTk5OTAzYTllMTg1MTlmNzkvdGFibGVyYW5nZTozMjdiYTczMDcyOTk0MTA1OTk5MDNhOWUxODUxOWY3OV8wLTEtMS0xLTQ5MjQyNw_a5878a3d-3969-43cc-b98d-787039c10b25">1-14174</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:EntityRegistrantName" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGFibGU6MzI3YmE3MzA3Mjk5NDEwNTk5OTAzYTllMTg1MTlmNzkvdGFibGVyYW5nZTozMjdiYTczMDcyOTk0MTA1OTk5MDNhOWUxODUxOWY3OV8wLTMtMS0xLTQ5MjQyNw_d73c781d-dbba-4685-926e-dacf11d80264">Southern Company Gas</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:EntityTaxIdentificationNumber" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGFibGU6MzI3YmE3MzA3Mjk5NDEwNTk5OTAzYTllMTg1MTlmNzkvdGFibGVyYW5nZTozMjdiYTczMDcyOTk0MTA1OTk5MDNhOWUxODUxOWY3OV8wLTUtMS0xLTQ5MjQyNw_e0617b08-5ac6-4f30-a6ef-be6a805cc8ee">58-2210952</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(A <ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:EntityIncorporationStateCountryCode" format="ixt-sec:stateprovnameen" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGV4dHJlZ2lvbjo4MWEyYzM5NjdkYjE0ZTkyOTU2NWRmYTUxODE2MjllZF8xMTI2_869586fa-9654-4e1b-a1b3-97f537001ffe">Georgia</ix:nonNumeric> Corporation)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"><ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:EntityAddressAddressLine1" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGV4dHJlZ2lvbjo4MWEyYzM5NjdkYjE0ZTkyOTU2NWRmYTUxODE2MjllZF8xMTI0_2d17b3fb-abf4-48cb-a6e8-e7df6fb02bba">Ten Peachtree Place, NE</ix:nonNumeric> </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"><ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGV4dHJlZ2lvbjo4MWEyYzM5NjdkYjE0ZTkyOTU2NWRmYTUxODE2MjllZF8xMTI1_c93fb567-7221-4800-a8b0-c807e0255bd0">Atlanta</ix:nonNumeric>, <ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:EntityAddressStateOrProvince" format="ixt-sec:stateprovnameen" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGV4dHJlZ2lvbjo4MWEyYzM5NjdkYjE0ZTkyOTU2NWRmYTUxODE2MjllZF8xMTI3_b938f047-a79d-4ec6-80be-fc1131c75931">Georgia</ix:nonNumeric> <ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGV4dHJlZ2lvbjo4MWEyYzM5NjdkYjE0ZTkyOTU2NWRmYTUxODE2MjllZF8xMTI4_dd53f1b3-5286-4d6f-9719-f75056b69465">30309</ix:nonNumeric> </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(<ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:CityAreaCode" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGV4dHJlZ2lvbjo4MWEyYzM5NjdkYjE0ZTkyOTU2NWRmYTUxODE2MjllZF8xMTI5_8281a8ad-aea2-4b40-8466-0b83f7d9f48f">404</ix:nonNumeric>) <ix:nonNumeric contextRef="i8cca46afe91c47eb957e07af230c8d12_D20230103-20230103" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOjAwNDMzY2UyMjdjNjQyZDQ4MWEyZTQzMGQ2MDc5NTllL3NlYzowMDQzM2NlMjI3YzY0MmQ0ODFhMmU0MzBkNjA3OTU5ZV8xL2ZyYWc6ODFhMmMzOTY3ZGIxNGU5Mjk1NjVkZmE1MTgxNjI5ZWQvdGV4dHJlZ2lvbjo4MWEyYzM5NjdkYjE0ZTkyOTU2NWRmYTUxODE2MjllZF8xMTMw_f4999d0c-000c-4f10-b050-c18321047e9a">584-4000</ix:nonNumeric> </span></div><div style="text-align:justify"><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">The name and address of the registrant have not changed since the last report.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the 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Act (17 CFR 240.13e-4(c))</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Securities registered pursuant to Section 12(b) of the Act:</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">None</span></div><div><span><br/></span></div><div style="margin-bottom:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</span></div><div style="margin-bottom:6pt;text-align:right"><span style="color:#000000;font-family:'Times New 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indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.&#160;&#160;</span><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#9744;</span></div><div><span><br/></span></div><div style="height:18pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><div id="i00433ce227c642d481a2e430d607959e_7"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span><br/></span></div></div><div><span><br/></span></div><div style="-sec-extract:summary;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:87.020%"><tr><td style="width:1.0%"></td><td style="width:16.357%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:81.443%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:100%">Item 8.01.</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:100%;text-decoration:underline">Other Events</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:100%">.</span></div></td></tr></table></div><div style="margin-top:18pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:232%">On January 3, 2023, Northern Illinois Gas Company (&#8220;Nicor Gas&#8221;), a wholly-owned subsidiary of Southern Company Gas, filed a general base rate case with the Illinois Commerce Commission (the &#8220;Illinois Commission&#8221;) requesting a $321 million increase in annual base rate revenues, including $59 million related to the recovery of investments under the Investing in Illinois program through December 31, 2023. The requested increase is based on a projected test year for the 12-month period ending December 31, 2024, a return on equity of 10.35% and an equity ratio of 54.5%. Further, Nicor Gas is seeking to recover an additional $32 million under three proposed riders.  </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:232%">The Illinois Commission is expected to rule on the requested increase within the 11-month statutory time limit, after which rate adjustments will be effective. The ultimate outcome of this matter cannot be determined at this time.</span></div><div style="margin-top:5pt;text-align:center;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:232%">SIGNATURE</span></div><div style="margin-bottom:8pt;margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:232%">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</span></div><div style="margin-bottom:2pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:492.00pt"><tr><td style="width:1.0pt"></td><td style="width:141.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:141.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:22.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:178.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Date:&#160;&#160;January 3, 2023</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">SOUTHERN COMPANY GAS</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">By:</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">/s/ Melissa K Caen</span></td></tr><tr style="height:27pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Melissa K. Caen<br/>Assistant Secretary</span></td></tr></table></div><div style="margin-bottom:2pt;margin-top:5pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div></body></html>
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so-20230103
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D. C.  20549
FORM
8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported)
January 3, 2023
Commission
File Number
Registrant,
State of Incorporation,
Address and Telephone Number
I.R.S. Employer
Identification No.
1-14174
Southern Company Gas
58-2210952
(A
Georgia
Corporation)
Ten Peachtree Place, NE
Atlanta
,
Georgia
30309
(
404
)
584-4000
The name and address of the registrant have not changed since the last report.
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
None
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
☐
Item 8.01.
Other Events
.
On January 3, 2023, Northern Illinois Gas Company ("Nicor Gas"), a wholly-owned subsidiary of Southern Company Gas, filed a general base rate case with the Illinois Commerce Commission (the "Illinois Commission") requesting a $321 million increase in annual base rate revenues, including $59 million related to the recovery of investments under the Investing in Illinois program through December 31, 2023. The requested increase is based on a projected test year for the 12-month period ending December 31, 2024, a return on equity of 10.35% and an equity ratio of 54.5%. Further, Nicor Gas is seeking to recover an additional $32 million under three proposed riders.
The Illinois Commission is expected to rule on the requested increase within the 11-month statutory time limit, after which rate adjustments will be effective. The ultimate outcome of this matter cannot be determined at this time.
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date:  January 3, 2023
SOUTHERN COMPANY GAS
By:
/s/ Melissa K Caen
Melissa K. Caen
Assistant Secretary