Northern States Power Co
NSPM
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Filing DATE FP FY End Date URL VIEW
8-K 10/30/2025 Q3 2025 9/30/2025 SEC view data
10-Q 10/30/2025 Q3 2025 9/30/2025 SEC view
8-K 7/31/2025 Q2 2025 6/30/2025 SEC view data
10-Q 7/31/2025 Q2 2025 6/30/2025 SEC view
8-K 4/24/2025 Q1 2025 3/31/2025 SEC view data
10-Q 4/24/2025 Q1 2025 3/31/2025 SEC view
10-K 2/27/2025 Q4 2024 12/31/2024 SEC view
8-K 2/6/2025 Q4 2024 12/31/2024 SEC view data
8-K 10/31/2024 Q3 2024 9/30/2024 SEC view data
10-Q 10/31/2024 Q3 2024 9/30/2024 SEC view
8-K 8/1/2024 Q2 2024 6/30/2024 SEC view data
10-Q 8/1/2024 Q2 2024 6/30/2024 SEC view
8-K 4/25/2024 Q1 2024 3/31/2024 SEC view data
10-Q 4/25/2024 Q1 2024 3/31/2024 SEC view
10-K 2/21/2024 Q4 2023 12/31/2023 SEC view
8-K 1/25/2024 Q4 2023 12/31/2023 SEC view data
8-K 10/27/2023 Q3 2023 9/30/2023 SEC view data
10-Q 10/27/2023 Q3 2023 9/30/2023 SEC view
8-K 7/27/2023 Q2 2023 6/30/2023 SEC view data
10-Q 7/27/2023 Q2 2023 6/30/2023 SEC view
8-K 4/27/2023 Q1 2023 3/31/2023 SEC view data
10-Q 4/27/2023 Q1 2023 3/31/2023 SEC view
10-K 2/23/2023 Q4 2022 12/31/2022 SEC view
8-K 1/26/2023 Q4 2022 12/31/2022 SEC view data
8-K 10/27/2022 Q3 2022 9/30/2022 SEC view data
10-Q 10/27/2022 Q3 2022 9/30/2022 SEC view
8-K 7/28/2022 Q2 2022 6/30/2022 SEC view data
10-Q 7/28/2022 Q2 2022 6/30/2022 SEC view
8-K 4/28/2022 Q1 2022 3/31/2022 SEC view data
10-Q 4/28/2022 Q1 2022 3/31/2022 SEC view
10-K 2/23/2022 Q4 2021 12/31/2021 SEC view
8-K 1/27/2022 Q4 2021 12/31/2021 SEC view data
10-Q 10/28/2021 Q3 2021 9/30/2021 SEC view
10-Q 7/29/2021 Q2 2021 6/30/2021 SEC view
8-K 4/29/2021 Q1 2021 3/31/2021 SEC view data
10-Q 4/29/2021 Q1 2021 3/31/2021 SEC view
10-K 2/17/2021 Q4 2020 12/31/2020 SEC view
8-K 1/28/2021 Q4 2020 12/31/2020 SEC view data
8-K 10/29/2020 Q3 2020 9/30/2020 SEC view data
10-Q 10/29/2020 Q3 2020 9/30/2020 SEC view
10-Q 7/31/2020 Q2 2020 6/30/2020 SEC view
8-K 7/30/2020 Q2 2020 6/30/2020 SEC view data
8-K 5/7/2020 Q1 2020 3/31/2020 SEC view data
10-Q 5/7/2020 Q1 2020 3/31/2020 SEC view
10-K 2/21/2020 Q4 2019 12/31/2019 SEC view
8-K 1/30/2020 Q4 2019 12/31/2019 SEC view data
10-Q 10/25/2019 Q3 2019 9/30/2019 SEC view
8-K 10/24/2019 Q3 2019 9/30/2019 SEC view data
8-K 8/1/2019 Q2 2019 6/30/2019 SEC view data
10-Q 8/1/2019 Q2 2019 6/30/2019 SEC view
10-Q 4/26/2019 Q1 2019 3/31/2019 SEC view
8-K 4/25/2019 Q1 2019 3/31/2019 SEC view data
10-K 2/22/2019 Q4 2018 12/31/2018 SEC view
8-K 1/31/2019 Q4 2018 12/31/2018 SEC view data
10-Q 10/26/2018 Q3 2018 9/30/2018 SEC view
8-K 10/25/2018 Q3 2018 9/30/2018 SEC view data
10-Q 7/27/2018 Q2 2018 6/30/2018 SEC view
8-K 7/26/2018 Q2 2018 6/30/2018 SEC view data
10-Q 4/27/2018 Q1 2018 3/31/2018 SEC view
8-K 4/26/2018 Q1 2018 3/31/2018 SEC view data
10-K 2/26/2018 Q4 2017 12/31/2017 SEC view
8-K 2/7/2018 Q4 2017 12/31/2017 SEC view data
10-Q 10/27/2017 Q3 2017 9/30/2017 SEC view
8-K 10/25/2017 Q3 2017 9/30/2017 SEC view data
10-Q 8/5/2017 Q2 2017 6/30/2017 SEC view
8-K 7/26/2017 Q2 2017 6/30/2017 SEC view data
10-Q 4/28/2017 Q1 2017 3/31/2017 SEC view
8-K 4/26/2017 Q1 2017 3/31/2017 SEC view data
10-K 2/24/2017 Q4 2016 12/31/2016 SEC view
8-K 2/1/2017 Q4 2016 12/31/2016 SEC view data
10-Q 10/31/2016 Q3 2016 9/30/2016 SEC view
8-K 10/26/2016 Q3 2016 9/30/2016 SEC view data
10-Q 8/4/2016 Q2 2016 6/30/2016 SEC view
8-K 8/2/2016 Q2 2016 6/30/2016 SEC view data
10-Q 5/13/2016 Q1 2016 3/31/2016 SEC view
8-K 5/6/2016 Q1 2016 3/31/2016 SEC view data
10-K 2/22/2016 Q4 2015 12/31/2015 SEC view
8-K 1/27/2016 Q4 2015 12/31/2015 SEC view data
10-Q 10/30/2015 Q3 2015 9/30/2015 SEC view
8-K 10/28/2015 Q3 2015 9/30/2015 SEC view data
10-Q 8/3/2015 Q2 2015 6/30/2015 SEC view
8-K 7/29/2015 Q2 2015 6/30/2015 SEC view data
10-Q 5/4/2015 Q1 2015 3/31/2015 SEC view
8-K 4/29/2015 Q1 2015 3/31/2015 SEC view data
10-K 2/20/2015 Q4 2014 12/31/2014 SEC view
8-K 1/28/2015 Q4 2014 12/31/2014 SEC view data
10-Q 10/31/2014 Q3 2014 9/30/2014 SEC view
8-K 10/29/2014 Q3 2014 9/30/2014 SEC view data
10-Q 8/1/2014 Q2 2014 6/30/2014 SEC view
8-K 7/30/2014 Q2 2014 6/30/2014 SEC view data
10-Q 5/5/2014 Q1 2014 3/31/2014 SEC view
8-K 4/30/2014 Q1 2014 3/31/2014 SEC view data
10-K 2/24/2014 Q4 2013 12/31/2013 SEC view
10-Q/A [Amend] 11/8/2013 Q3 2013 9/30/2013 SEC view
10-Q 10/28/2013 Q3 2013 9/30/2013 SEC view
8-K 10/24/2013 Q3 2013 9/30/2013 SEC view data
10-Q 8/5/2013 Q2 2013 6/30/2013 SEC view
8-K 8/1/2013 Q2 2013 6/30/2013 SEC view data
10-Q 5/6/2013 Q1 2013 3/31/2013 SEC view
8-K 5/2/2013 Q1 2013 3/31/2013 SEC view data
10-K 2/25/2013 Q4 2012 12/31/2012 SEC view
8-K 1/31/2013 Q4 2012 12/31/2012 SEC view data
10-Q 10/26/2012 Q3 2012 9/30/2012 SEC view
8-K 10/25/2012 Q3 2012 9/30/2012 SEC view data
10-Q 8/3/2012 Q2 2012 6/30/2012 SEC view
8-K 8/2/2012 Q2 2012 6/30/2012 SEC view data
10-Q 4/30/2012 Q1 2012 3/31/2012 SEC view
8-K 4/26/2012 Q1 2012 3/31/2012 SEC view data
10-K 2/27/2012 Q4 2011 12/31/2011 SEC view
8-K 2/2/2012 Q4 2011 12/31/2011 SEC view data
10-Q 10/28/2011 Q3 2011 9/30/2011 SEC view
8-K 10/27/2011 Q3 2011 9/30/2011 SEC view data
10-Q 8/1/2011 Q2 2011 6/30/2011 SEC view
8-K 7/28/2011 Q2 2011 6/30/2011 SEC view data
10-Q 4/29/2011 Q1 2011 3/31/2011 SEC view
8-K 4/28/2011 Q1 2011 3/31/2011 SEC view data
10-K 2/28/2011 Q4 2010 12/31/2010 SEC view
8-K 1/27/2011 Q4 2010 12/31/2010 SEC view data
10-Q 11/1/2010 Q3 2010 9/30/2010 SEC view
8-K 10/28/2010 Q3 2010 9/30/2010 SEC view data
10-Q 7/30/2010 Q2 2010 6/30/2010 SEC view
8-K 7/29/2010 Q2 2010 6/30/2010 SEC view data
10-Q 5/3/2010 Q1 2010 3/31/2010 SEC view
8-K 4/29/2010 Q1 2010 3/31/2010 SEC view data
10-K 3/1/2010 Q4 2009 12/31/2009 SEC view
8-K 1/28/2010 Q4 2009 12/31/2009 SEC view data
10-Q 11/2/2009 Q3 2009 9/30/2009 SEC view
8-K 10/29/2009 Q3 2009 9/30/2009 SEC view data
10-Q 8/3/2009 Q2 2009 6/30/2009 SEC view
8-K 7/30/2009 Q2 2009 6/30/2009 SEC view data
10-Q 5/4/2009 Q1 2009 3/31/2009 SEC view
10-K 3/2/2009 Q4 2008 12/31/2008 SEC view
10-Q 10/24/2008 Q3 2008 9/30/2008 SEC view
10-Q 8/4/2008 Q2 2008 6/30/2008 SEC view
10-Q 5/5/2008 Q1 2008 3/31/2008 SEC view
10-K 2/25/2008 Q4 2007 12/31/2007 SEC view