179 filings
8-K
Northern States Power Co
24 Apr 24
Results of Operations and Financial Condition
5:36pm
8-K
Southwestern Public Service
11 Apr 24
Other Events
5:25pm
8-K
Southwestern Public Service
29 Feb 24
Other Events
7:59am
8-K
Northern States Power Co
25 Jan 24
Results of Operations and Financial Condition
12:00am
8-K
Southwestern Public Service
22 Dec 23
Other Events
11:36am
8-K
injje44yk5ye2teek1ax
27 Oct 23
Results of Operations and Financial Condition
12:00am
8-K
ayqoa
21 Aug 23
Entry into a Material Definitive Agreement
4:25pm
8-K
e6z 78wiut7x
15 Aug 23
Other Events
9:13am
8-K
zocqtoufpqo 6dz
26 Jul 23
Results of Operations and Financial Condition
6:10pm
8-K
fxn38
19 May 23
Other Events
3:07pm
8-K
tbupo3oq
26 Apr 23
Results of Operations and Financial Condition
5:46pm
8-K
4mvb8lnrl
8 Feb 23
Other Events
4:54pm
8-K
6w8s5v 9s78eo4
25 Jan 23
Results of Operations and Financial Condition
5:39pm
8-K
n9dsm6r7 otw
21 Nov 22
Other Events
11:35am
8-K
4qz0y2v34g5x8 okau
26 Oct 22
Results of Operations and Financial Condition
5:46pm
8-K
dsf0t20h7
21 Sep 22
Entry into a Material Definitive Agreement
5:15pm
8-K
gvarmqiro y731dtztk
27 Jul 22
Results of Operations and Financial Condition
5:36pm
8-K
tiatf8680gahtszr
31 May 22
Other Events
11:43am
8-K
ghh fo289bab0d
13 May 22
Other Events
11:57am
8-K
gk6zm3
27 Apr 22
Results of Operations and Financial Condition
5:51pm