Company · CIK 92521 # SOUTHWESTERN PUBLIC SERVICE CO | CIK | [92521](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000092521) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 4931 — Electric & Other Services Combined | | Incorporated in | NM | | Business address | TX | | Listed | no ticker on SEC record today | | First annual or quarterly report | 1995-01-13 | ## Offerings 9 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-278797-01 | Shelf Effective | 2024-04-18 | 2026-06-24 | 4 | | 333-255446-01 | Shelf Effective | 2021-04-22 | 2022-05-23 | 2 | | 333-224333-01 | Shelf Effective | 2018-04-18 | 2021-02-23 | 5 | | 333-203664-03 | Shelf Effective | 2015-04-27 | 2017-08-02 | 5 | | 333-188179 | Shelf Effective | 2013-04-26 | 2014-06-02 | 4 | | 333-180758 | Shelf Effective | 2012-04-16 | 2012-06-05 | 3 | | 333-174693 | Shelf Effective | 2011-06-03 | 2011-08-03 | 3 | | 333-153241 | Shelf Effective | 2008-08-28 | 2008-11-14 | 3 | | 333-132724 | Shelf Effective | 2006-03-27 | 2006-07-25 | 2 | ## Filings 31 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-06-24 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312526280318/0001193125-26-280318-index.htm) Shelf takedown | 333-278797-01 | 0001193125-26-280318 | | 2025-04-29 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312525101984/0001193125-25-101984-index.htm) Shelf takedown | 333-278797-01 | 0001193125-25-101984 | | 2024-06-03 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312524152422/0001193125-24-152422-index.htm) Shelf takedown | 333-278797-01 | 0001193125-24-152422 | | 2024-04-18 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/92521/000119312524100820/0001193125-24-100820-index.htm) Shelf registered | 333-278797-01 | 0001193125-24-100820 | | 2022-05-23 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312522156892/0001193125-22-156892-index.htm) Shelf takedown | 333-255446-01 | 0001193125-22-156892 | | 2021-04-22 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/92521/000119312521126944/0001193125-21-126944-index.htm) Shelf registered | 333-255446-01 | 0001193125-21-126944 | | 2021-02-23 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312521051598/0001193125-21-051598-index.htm) Shelf takedown | 333-224333-01 | 0001193125-21-051598 | | 2020-05-11 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312520138349/0001193125-20-138349-index.htm) Shelf takedown | 333-224333-01 | 0001193125-20-138349 | | 2019-06-11 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312519169790/0001193125-19-169790-index.htm) Shelf takedown | 333-224333-01 | 0001193125-19-169790 | | 2018-10-29 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312518309910/0001193125-18-309910-index.htm) Shelf takedown | 333-224333-01 | 0001193125-18-309910 | | 2018-04-18 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/92521/000119312518121135/0001193125-18-121135-index.htm) Shelf registered | 333-224333-01 | 0001193125-18-121135 | | 2017-08-02 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312517245079/0001193125-17-245079-index.htm) Shelf takedown | 333-203664-03 | 0001193125-17-245079 | | 2016-08-05 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312516672726/0001193125-16-672726-index.htm) Shelf takedown | 333-203664-03 | 0001193125-16-672726 | | 2015-09-11 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312515318137/0001193125-15-318137-index.htm) Shelf takedown | 333-203664-03 | 0001193125-15-318137 | | 2015-09-09 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000119312515315265/0001193125-15-315265-index.htm) Shelf takedown | 333-203664-03 | 0001193125-15-315265 | | 2015-04-27 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/92521/000119312515148974/0001193125-15-148974-index.htm) Shelf registered | 333-203664-03 | 0001193125-15-148974 | | 2014-06-02 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000114036114023901/0001140361-14-023901-index.htm) Shelf takedown | 333-188179 | 0001140361-14-023901 | | 2013-08-13 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000114036113031899/0001140361-13-031899-index.htm) Shelf takedown | 333-188179 | 0001140361-13-031899 | | 2013-05-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/92521/999999999513001591/9999999995-13-001591-index.htm) Declared effective | 333-188179 | 9999999995-13-001591 | | 2013-04-26 | [S-3](https://www.sec.gov/Archives/edgar/data/92521/000114036113017599/0001140361-13-017599-index.htm) Shelf registered | 333-188179 | 0001140361-13-017599 | | 2012-06-05 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000114036112028697/0001140361-12-028697-index.htm) Shelf takedown | 333-180758 | 0001140361-12-028697 | | 2012-04-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/92521/999999999512001211/9999999995-12-001211-index.htm) Declared effective | 333-180758 | 9999999995-12-001211 | | 2012-04-16 | [S-3](https://www.sec.gov/Archives/edgar/data/92521/000114036112020580/0001140361-12-020580-index.htm) Shelf registered | 333-180758 | 0001140361-12-020580 | | 2011-08-03 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000114036111039267/0001140361-11-039267-index.htm) Shelf takedown | 333-174693 | 0001140361-11-039267 | | 2011-07-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/92521/999999999511002333/9999999995-11-002333-index.htm) Declared effective | 333-174693 | 9999999995-11-002333 | | 2011-06-03 | [S-3](https://www.sec.gov/Archives/edgar/data/92521/000114036111031177/0001140361-11-031177-index.htm) Shelf registered | 333-174693 | 0001140361-11-031177 | | 2008-11-14 | [424B5](https://www.sec.gov/Archives/edgar/data/92521/000104746908012305/0001047469-08-012305-index.htm) Shelf takedown | 333-153241 | 0001047469-08-012305 | | 2008-09-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/92521/999999999508002897/9999999995-08-002897-index.htm) Declared effective | 333-153241 | 9999999995-08-002897 | | 2008-08-28 | [S-3](https://www.sec.gov/Archives/edgar/data/92521/000104746908009750/0001047469-08-009750-index.htm) Shelf registered | 333-153241 | 0001047469-08-009750 | | 2006-07-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/92521/999999999506000886/9999999995-06-000886-index.htm) Declared effective | 333-132724 | 9999999995-06-000886 | | 2006-03-27 | [S-3](https://www.sec.gov/Archives/edgar/data/92521/000110465906019209/0001104659-06-019209-index.htm) Shelf registered | 333-132724 | 0001104659-06-019209 | [All filings of this company](https://equitycapital.markets/filings?cik=92521) · [CSV](https://equitycapital.markets/filings.csv?cik=92521) --- Source page: https://equitycapital.markets/company/92521 · Data: U.S. SEC EDGAR · CC BY 4.0