Attached files
file | filename |
---|---|
EX-32.01 - EX-32.01 - SOUTHWESTERN PUBLIC SERVICE CO | spsex320110-k2020.htm |
EX-31.02 - EX-31.02 - SOUTHWESTERN PUBLIC SERVICE CO | spsex310210-k2020.htm |
EX-31.01 - EX-31.01 - SOUTHWESTERN PUBLIC SERVICE CO | spsex310110-k2020.htm |
EX-23.01 - EX-23.01 - SOUTHWESTERN PUBLIC SERVICE CO | spsex230110-k2020.htm |
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