Document and Entity Information
Document and Entity Information | Jun. 06, 2024 |
Cover [Abstract] | |
Entity Registrant Name | SOUTHWESTERN PUBLIC SERVICE CO |
Amendment Flag | false |
Entity Central Index Key | 0000092521 |
Document Type | 8-K |
Document Period End Date | Jun. 06, 2024 |
Entity Incorporation State Country Code | NM |
Entity File Number | 001-03789 |
Entity Tax Identification Number | 75-0575400 |
Entity Address, Address Line One | 790 South Buchanan |
Entity Address, City or Town | Amarillo |
Entity Address, State or Province | TX |
Entity Address, Postal Zip Code | 79101 |
City Area Code | (303) |
Local Phone Number | 571-7511 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | false |