336 filings
10-Q
2020 Q3
Southwestern Public Service
Quarterly report
29 Oct 20
1:52pm
8-K
Northern States Power Co
29 Oct 20
Results of Operations and Financial Condition
12:00am
8-K
Southwestern Public Service
28 Aug 20
Other Events
12:31pm
10-Q
2020 Q2
Southwestern Public Service
Quarterly report
31 Jul 20
1:13pm
8-K
Northern States Power Co
30 Jul 20
Results of Operations and Financial Condition
12:00am
8-K
btxgkc36dn66c
20 May 20
Other Events
4:42pm
8-K
bn0leffaeqj zd5wyb84
18 May 20
Other Events
11:27am
424B2
kn5tzi277ujswub73ja
12 May 20
Prospectus for primary offering
3:12pm
FWP
u8e1memiccctqy49
11 May 20
Free writing prospectus
4:09pm
424B5
ljg6dk
11 May 20
Prospectus supplement for primary offering
8:39am
8-K
fdi 5nq2a
7 May 20
Results of Operations and Financial Condition
12:00am
8-K
jxy3gp8w
30 Jan 20
Results of Operations and Financial Condition
12:00am
8-K
nnb86mtnpik2qme7m1
14 Jan 20
Other Events
11:40am
8-K
ks7gh98nzdr7v
26 Nov 19
Other Events
3:40pm
8-K
swju4e bht
24 Oct 19
Results of Operations and Financial Condition
6:08am
8-K
onsn0
30 Aug 19
Other Events
4:11pm
8-K
sidh6ensrepxj2f37
8 Aug 19
Other Events
4:31pm