78 filings
S-3ASR
Northern States Power Co
18 Apr 24
Automatic shelf registration
4:24pm
424B2
Northern States Power Co
23 Feb 24
Prospectus for primary offering
12:47pm
FWP
Northern States Power Co
22 Feb 24
Free writing prospectus
4:08pm
424B5
Northern States Power Co
22 Feb 24
Prospectus supplement for primary offering
8:44am
424B2
Northern States Power Co
2 May 23
Prospectus for primary offering
2:02pm
FWP
mlfqcdr8zm3zpijido
1 May 23
Free writing prospectus
4:15pm
424B5
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1 May 23
Prospectus supplement for primary offering
8:42am
424B2
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3 May 22
Prospectus for primary offering
12:43pm
FWP
b5unx4urq8rwee
2 May 22
Free writing prospectus
4:12pm
424B5
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2 May 22
Prospectus supplement for primary offering
8:57am
S-3ASR
n0tuyim8unili7o
22 Apr 21
Automatic shelf registration
5:27pm
424B2
helmg3cp4vh59l5x2a
24 Mar 21
Prospectus for primary offering
2:38pm
FWP
ufogxqmx4paz6ckbzam
23 Mar 21
Free writing prospectus
5:15pm
424B5
owobaim4auqa2usw3t
23 Mar 21
Prospectus supplement for primary offering
8:45am
424B2
sb5l1dkrjg
9 Jun 20
Prospectus for primary offering
2:47pm
FWP
83l9m0fzg0bcqswhlbb
8 Jun 20
Free writing prospectus
5:19pm
424B5
6r3q6
8 Jun 20
Prospectus supplement for primary offering
8:56am
424B2
ragblv5o
4 Sep 19
Prospectus for primary offering
1:06pm
FWP
of32v6glrwi9t
3 Sep 19
Free writing prospectus
4:28pm
424B5
70sb0tk tll4m
3 Sep 19
Prospectus supplement for primary offering
8:37am