129 filings
10-Q
2024 Q1
Northern States Power Co
Quarterly report
25 Apr 24
12:18pm
10-K
2023 FY
Northern States Power Co
Annual report
21 Feb 24
3:42pm
10-Q
2023 Q3
Northern States Power Co
Quarterly report
27 Oct 23
3:44pm
10-Q
2023 Q2
Northern States Power Co
Quarterly report
27 Jul 23
4:07pm
10-Q
2023 Q1
Northern States Power Co
Quarterly report
27 Apr 23
3:57pm