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
751jbir ebt6e62
1 May 23
Free writing prospectus
4:15pm
424B5
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1 May 23
Prospectus supplement for primary offering
8:42am
424B2
z311d5hvrbu73nqk5xz5
3 May 22
Prospectus for primary offering
12:43pm
FWP
6wtaateg
2 May 22
Free writing prospectus
4:12pm
424B5
gmdaytgg
2 May 22
Prospectus supplement for primary offering
8:57am
S-3ASR
lhu6bf1r0r406eff3
22 Apr 21
Automatic shelf registration
5:27pm
424B2
ls7eff8zau7t9
24 Mar 21
Prospectus for primary offering
2:38pm
FWP
g3a7k5jcov f7fqe8z
23 Mar 21
Free writing prospectus
5:15pm
424B5
pcdlts447 jnjrv
23 Mar 21
Prospectus supplement for primary offering
8:45am
424B2
fmyni
9 Jun 20
Prospectus for primary offering
2:47pm
FWP
1byztpeg sn2o31
8 Jun 20
Free writing prospectus
5:19pm
424B5
c31zm7p2p
8 Jun 20
Prospectus supplement for primary offering
8:56am
424B2
p0sdf
4 Sep 19
Prospectus for primary offering
1:06pm
FWP
qs6d1iivxbhruqm5qs2c
3 Sep 19
Free writing prospectus
4:28pm
424B5
eerktf
3 Sep 19
Prospectus supplement for primary offering
8:37am