PUBLIC SERVICE CO OF COLORADO SEC EDGAR Filings (CIK 0000081018)

SEC EDGAR filings, ownership reports, and insider transactions for PUBLIC SERVICE CO OF COLORADO.

Industry
Electric & Other Services Combined (Office Of Energy & Transportation)
Business address
3500 Blake Street, Denver, CO, 80205
State of incorporation
CO
Fiscal year end
31 December
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PUBLIC SERVICE CO OF COLORADO has filed 481 SEC EDGAR filings since 23 Feb 1995

Latest Filings

Recent SEC filings for PUBLIC SERVICE CO OF COLORADO including 424B2, FWP, 424B5 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
424B2 Open 424B2 document | Open XBRL data View SEC filing for 424B2 424B2 11 Mar 2026 333-278797-02
FWP Open FWP document View SEC filing for FWP FWP 10 Mar 2026 333-278797-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 10 Mar 2026 333-278797-02
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 25 Feb 2026 31 Dec 2025 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Feb 2026 05 Feb 2026 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Jan 2026 29 Dec 2025 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Nov 2025 21 Nov 2025 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 30 Oct 2025 30 Sep 2025 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Oct 2025 30 Oct 2025 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Sep 2025 23 Sep 2025 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Aug 2025 07 Aug 2025 001-03280
424B2 Open 424B2 document | Open XBRL data View SEC filing for 424B2 424B2 05 Aug 2025 333-278797-02
FWP Open FWP document View SEC filing for FWP FWP 04 Aug 2025 333-278797-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 04 Aug 2025 333-278797-02
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Jul 2025 30 Jun 2025 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Jul 2025 31 Jul 2025 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2025 06 May 2025 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 24 Apr 2025 31 Mar 2025 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Apr 2025 24 Apr 2025 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Mar 2025 20 Mar 2025 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 424B2 18 Mar 2025 333-278797-02
FWP Open FWP document View SEC filing for FWP FWP 18 Mar 2025 333-278797-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 17 Mar 2025 333-278797-02
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 27 Feb 2025 31 Dec 2024 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Feb 2025 06 Feb 2025 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Oct 2024 30 Sep 2024 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Oct 2024 31 Oct 2024 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Oct 2024 15 Oct 2024 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 Aug 2024 30 Jun 2024 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Aug 2024 01 Aug 2024 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Jul 2024 11 Jul 2024 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Jun 2024 27 Jun 2024 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 25 Apr 2024 31 Mar 2024 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Apr 2024 25 Apr 2024 001-03280
S-3ASR Open S-3ASR document View SEC filing for S-3ASR FORM S-3ASR 18 Apr 2024 333-278797-02
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Apr 2024 04 Apr 2024 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 424B2 02 Apr 2024 333-255446-02
FWP Open FWP document View SEC filing for FWP FWP 01 Apr 2024 333-255446-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 01 Apr 2024 333-255446-02
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 21 Feb 2024 31 Dec 2023 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Jan 2024 29 Jan 2024 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Jan 2024 25 Jan 2024 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Dec 2023 13 Dec 2023 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 27 Oct 2023 30 Sep 2023 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Oct 2023 27 Oct 2023 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Sep 2023 18 Sep 2023 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Aug 2023 16 Aug 2023 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 27 Jul 2023 30 Jun 2023 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Jul 2023 27 Jul 2023 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Jun 2023 20 Jun 2023 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 May 2023 03 May 2023 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 27 Apr 2023 31 Mar 2023 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Apr 2023 27 Apr 2023 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Apr 2023 03 Apr 2023 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 424B2 28 Mar 2023 333-255446-02
FWP Open FWP document View SEC filing for FWP FWP 27 Mar 2023 333-255446-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 27 Mar 2023 333-255446-02
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 23 Feb 2023 31 Dec 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Jan 2023 26 Jan 2023 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Nov 2022 30 Nov 2022 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 27 Oct 2022 30 Sep 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Oct 2022 27 Oct 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Sep 2022 19 Sep 2022 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 28 Jul 2022 30 Jun 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Jul 2022 28 Jul 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Jun 2022 15 Jun 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 May 2022 17 May 2022 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 424B2 11 May 2022 333-255446-02
FWP Open FWP document View SEC filing for FWP FWP 10 May 2022 333-255446-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 10 May 2022 333-255446-02
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 28 Apr 2022 31 Mar 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Apr 2022 28 Apr 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Mar 2022 16 Mar 2022 001-03280
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 23 Feb 2022 31 Dec 2021 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Jan 2022 27 Jan 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Jan 2022 24 Jan 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Jan 2022 05 Jan 2022 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Dec 2021 21 Dec 2021 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Nov 2021 24 Nov 2021 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Nov 2021 03 Nov 2021 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 28 Oct 2021 30 Sep 2021 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Oct 2021 28 Oct 2021 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Oct 2021 25 Oct 2021 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Sep 2021 09 Sep 2021 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 29 Jul 2021 30 Jun 2021 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Jul 2021 02 Jul 2021 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 29 Apr 2021 31 Mar 2021 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Apr 2021 29 Apr 2021 001-03280
S-3ASR Open S-3ASR document View SEC filing for S-3ASR FORM S-3ASR 22 Apr 2021 333-255446-02
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Apr 2021 31 Mar 2021 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Mar 2021 01 Mar 2021 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 424B2 23 Feb 2021 333-224333-02
FWP Open FWP document View SEC filing for FWP FWP 22 Feb 2021 333-224333-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 22 Feb 2021 333-224333-02
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 17 Feb 2021 31 Dec 2020 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Jan 2021 28 Jan 2021 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Dec 2020 23 Dec 2020 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Oct 2020 29 Oct 2020 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 29 Oct 2020 30 Sep 2020 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Oct 2020 29 Oct 2020 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Jul 2020 30 Jun 2020 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jul 2020 30 Jul 2020 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Jul 2020 17 Jul 2020 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Jul 2020 10 Jul 2020 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2020 13 May 2020 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2020 15 May 2020 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 424B2 11 May 2020 333-224333-02
FWP Open FWP document View SEC filing for FWP FWP 08 May 2020 333-224333-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 08 May 2020 333-224333-02
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 May 2020 31 Mar 2020 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2020 07 May 2020 001-03280
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 21 Feb 2020 31 Dec 2019 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Feb 2020 05 Feb 2020 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Jan 2020 30 Jan 2020 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 25 Oct 2019 30 Sep 2019 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Oct 2019 24 Oct 2019 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Sep 2019 20 Sep 2019 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Aug 2019 13 Aug 2019 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 424B2 07 Aug 2019 333-224333-02
FWP Open FWP document View SEC filing for FWP FWP 06 Aug 2019 333-224333-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 06 Aug 2019 333-224333-02
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 Aug 2019 30 Jun 2019 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Aug 2019 01 Aug 2019 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 10 Jun 2019 07 Jun 2019 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 21 May 2019 20 May 2019 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 26 Apr 2019 31 Mar 2019 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Apr 2019 25 Apr 2019 001-03280
8-K Open 8-K document View SEC filing for 8-K FORM 8-K 13 Mar 2019 13 Mar 2019 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 424B2 07 Mar 2019 333-224333-02
FWP Open FWP document View SEC filing for FWP FWP 06 Mar 2019 333-224333-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 06 Mar 2019 333-224333-02
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 22 Feb 2019 31 Dec 2018 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 31 Jan 2019 31 Jan 2019 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 26 Oct 2018 30 Sep 2018 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Oct 2018 25 Oct 2018 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 31 Aug 2018 27 Aug 2018 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 27 Jul 2018 30 Jun 2018 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 26 Jul 2018 26 Jul 2018 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 21 Jun 2018 21 Jun 2018 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 424B2 15 Jun 2018 333-224333-02
FWP Open FWP document View SEC filing for FWP FWP 14 Jun 2018 333-224333-02
424B5 Open 424B5 document View SEC filing for 424B5 424B5 14 Jun 2018 333-224333-02
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Jun 2018 07 Jun 2018 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 15 May 2018 15 May 2018 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 27 Apr 2018 31 Mar 2018 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 26 Apr 2018 26 Apr 2018 001-03280
S-3ASR Open S-3ASR document View SEC filing for S-3ASR FORM S-3ASR 18 Apr 2018 333-224333-02
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 23 Feb 2018 31 Dec 2017 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Feb 2018 07 Feb 2018 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 27 Oct 2017 30 Sep 2017 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 26 Oct 2017 26 Oct 2017 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 10 Oct 2017 10 Oct 2017 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 05 Oct 2017 05 Oct 2017 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 28 Jul 2017 30 Jun 2017 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Jul 2017 27 Jul 2017 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 19 Jun 2017 19 Jun 2017 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 424B2 13 Jun 2017 333-203664-04
FWP Open FWP document View SEC filing for FWP FWP 12 Jun 2017 333-203664-04
424B5 Open 424B5 document View SEC filing for 424B5 424B5 12 Jun 2017 333-203664-04
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Jun 2017 02 Jun 2017 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 12 May 2017 12 May 2017 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 28 Apr 2017 31 Mar 2017 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 27 Apr 2017 27 Apr 2017 001-03280
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 24 Feb 2017 31 Dec 2016 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 02 Feb 2017 02 Feb 2017 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Oct 2016 30 Sep 2016 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 27 Oct 2016 27 Oct 2016 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Aug 2016 30 Jun 2016 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 03 Aug 2016 03 Aug 2016 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 22 Jun 2016 22 Jun 2016 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 13 Jun 2016 13 Jun 2016 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 DEFINITIVE PROSPECTUS SUPPLEMENT 07 Jun 2016 333-203664-04
FWP Open FWP document View SEC filing for FWP FREE WRITING PROSPECTUS 06 Jun 2016 333-203664-04
424B5 Open 424B5 document View SEC filing for 424B5 PRELIMINARY PROSPECTUS SUPPLEMENT 06 Jun 2016 333-203664-04
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 May 2016 31 Mar 2016 001-03280
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 May 2016 09 May 2016 001-03280
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 22 Feb 2016 31 Dec 2015 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 01 Feb 2016 27 Jan 2016 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 28 Jan 2016 28 Jan 2016 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 23 Nov 2015 16 Nov 2015 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 30 Oct 2015 30 Sep 2015 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Oct 2015 29 Oct 2015 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Aug 2015 30 Jun 2015 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 30 Jul 2015 30 Jul 2015 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Jun 2015 24 Jun 2015 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 12 May 2015 11 May 2015 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 DEFINITIVE PROSPECTUS SUPPLEMENT 06 May 2015 333-203664-04
FWP Open FWP document View SEC filing for FWP FREE WRITING PROSPECTUS 05 May 2015 333-203664-04
424B5 Open 424B5 document View SEC filing for 424B5 PRELIMINARY PROSPECTUS SUPPLEMEMT 05 May 2015 333-203664-04
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 May 2015 31 Mar 2015 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 30 Apr 2015 30 Apr 2015 001-03280
S-3ASR Open S-3ASR document View SEC filing for S-3ASR S-3ASR 27 Apr 2015 333-203664-04
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Mar 2015 03 Mar 2015 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-KPSCOELECTRICRATECASE 26 Feb 2015 24 Feb 2015 001-03280
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 20 Feb 2015 31 Dec 2014 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Jan 2015 29 Jan 2015 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-KPSCOELECTRICRATECASE 23 Jan 2015 23 Jan 2015 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 18 Dec 2014 17 Dec 2014 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 12 Nov 2014 07 Nov 2014 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 Nov 2014 30 Sep 2014 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 30 Oct 2014 30 Oct 2014 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 17 Oct 2014 14 Oct 2014 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 04 Aug 2014 30 Jun 2014 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 31 Jul 2014 31 Jul 2014 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 18 Jun 2014 17 Jun 2014 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 May 2014 31 Mar 2014 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 01 May 2014 01 May 2014 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 10 Mar 2014 10 Mar 2014 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 PUBLIC SERVICE COMPANY OF COLORADO 424B2 3-3-2014 04 Mar 2014 333-191629
FWP Open FWP document View SEC filing for FWP PUBLIC SERVICE COMPANY OF COLORADO FWP 3-3-2014 03 Mar 2014 333-191629
424B5 Open 424B5 document View SEC filing for 424B5 PUBLIC SERVICE COMPANY OF COLORADO 424B5 3-3-2014 03 Mar 2014 333-191629
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 24 Feb 2014 31 Dec 2013 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 30 Jan 2014 30 Jan 2014 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 20 Dec 2013 20 Dec 2013 001-03280
10-Q/A Open 10-Q/A document View SEC filing for 10-Q/A 10-Q/A 08 Nov 2013 30 Sep 2013 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 28 Oct 2013 30 Sep 2013 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 24 Oct 2013 24 Oct 2013 001-03280
S-3ASR Open S-3ASR document View SEC filing for S-3ASR PUBLIC SERVICE COMPANY OF COLORADO S-3ASR 10-3-2013 08 Oct 2013 333-191629
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Aug 2013 30 Jun 2013 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 8-1-2013 01 Aug 2013 01 Aug 2013 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q PUBLIC SERVICE CO OF COLORADO 10-Q 3-31-2013 06 May 2013 31 Mar 2013 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 5-2-2013 02 May 2013 02 May 2013 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 4-3-2013 08 Apr 2013 03 Apr 2013 001-03280
8-K Open 8-K document View SEC filing for 8-K PUBLIC SERVICE COMPANY OF COLORADO 8-K 3-26-2013 26 Mar 2013 26 Mar 2013 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 PUBLIC SERVICE COMPANY OF COLORADO 424B2 3-19-2013 20 Mar 2013 333-169772
FWP Open FWP document View SEC filing for FWP PUBLIC SERVICE COMPANY OF COLORADO FWP 3-19-2013 19 Mar 2013 333-169772
424B5 Open 424B5 document View SEC filing for 424B5 PUBLIC SERVICE COMPANY OF COLORADO 424B5 3-19-2013 19 Mar 2013 333-169772
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K PUBLIC SERVICE COMPANY OF COLORADO 10-K 12-31-2012 25 Feb 2013 31 Dec 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 1-31-2013 31 Jan 2013 31 Jan 2013 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 12-12-2012 13 Dec 2012 12 Dec 2012 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q PUBLIC SERVICE COMPANY OF COLORADO 10-Q 9-30-2012 29 Oct 2012 30 Sep 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 10-25-2012 25 Oct 2012 25 Oct 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K PUBLIC SERVICE CO OF COLORADO 8-K 9-11-2012 11 Sep 2012 11 Sep 2012 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 PUBLIC SERVICE COMPANY OF COLORADO 424B2 9-4-2012 05 Sep 2012 333-169772
FWP Open FWP document View SEC filing for FWP PUBLIC SERVICE COMPANY OF COLORADO FWP 9-4-2012 04 Sep 2012 333-169772
424B5 Open 424B5 document View SEC filing for 424B5 PUBLIC SERVICE COMPANY OF COLORADO 424B5 9-4-2012 04 Sep 2012 333-169772
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q PUBLIC SERVICE COMPANY OF COLORADO 10-Q 6-30-2012 06 Aug 2012 30 Jun 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K PUBLIC SERVICE COMPANY OF COLORADO 8-K 7-27-2012 02 Aug 2012 27 Jul 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 8-2-2012 02 Aug 2012 02 Aug 2012 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q PUBLIC SERVICE COMPANY OF COLORADO 10-Q 3-31-2012 30 Apr 2012 31 Mar 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 4-26-2012 26 Apr 2012 26 Apr 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 4-11-2012 13 Apr 2012 11 Apr 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 3-29-2012 03 Apr 2012 29 Mar 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 3-2-2011 05 Mar 2012 02 Mar 2012 001-03280
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K PUBLIC SERVICE COMPANY OF COLORADO 10-K 12-31-2011 27 Feb 2012 31 Dec 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 2-2-2012 02 Feb 2012 02 Feb 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 1-11-2012 12 Jan 2012 11 Jan 2012 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 12-23-2011 28 Dec 2011 23 Dec 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 11-22-2011 25 Nov 2011 22 Nov 2011 001-03280
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q PUBLIC SERVICE COMPANY OF COLORADO 10-Q 9-30-2011 31 Oct 2011 30 Sep 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 10-27-2011 27 Oct 2011 27 Oct 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K PUBLIC SERVICE CO OF COLORADO 8-K 8-9-2011 09 Aug 2011 09 Aug 2011 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 PUBLIC SERVICE COMPANY OF COLORADO 424B2 8-2-2011 03 Aug 2011 333-169772
FWP Open FWP document View SEC filing for FWP PUBLIC SERVICE COMPANY OF COLORADO FWP 8-2-2011 02 Aug 2011 333-169772
424B5 Open 424B5 document View SEC filing for 424B5 PUBLIC SERVICE COMPANY OF COLORADO 424B5 8-2-2011 02 Aug 2011 333-169772
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q PUBLIC SERVICE COMPANY OF COLORADO 10-Q 6-30-2011 01 Aug 2011 30 Jun 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 7-28-2011 28 Jul 2011 28 Jul 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K PUBLIC SERVICE CO OF COLORADO 8-K 5-25-2011 26 May 2011 25 May 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 5-9-2011 11 May 2011 09 May 2011 001-03280
10-Q Open 10-Q document View SEC filing for 10-Q PUBLIC SERVICE COMPANY OF COLORADO 10-Q 3-31-2011 02 May 2011 31 Mar 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 4-28-2011 28 Apr 2011 28 Apr 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 4-11-2011 13 Apr 2011 11 Apr 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K PUBLIC SERVICE CO OF COLORADO 8-K 3-17-2011 23 Mar 2011 17 Mar 2011 001-03280
10-K Open 10-K document View SEC filing for 10-K PUBLIC SERVICE COMPANY OF COLORADO 10-K 12-31-2010 28 Feb 2011 31 Dec 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 2-8-2011 09 Feb 2011 08 Feb 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 1-27-2011 27 Jan 2011 27 Jan 2011 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 12-17-2010 23 Dec 2010 17 Dec 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 12-15-2010 17 Dec 2010 15 Dec 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 12-6-2010 09 Dec 2010 06 Dec 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K PUBLIC SERVICE COMPANY OF COLORADO 8-K 11-8-2010 16 Nov 2010 08 Nov 2010 001-03280
424B2 Open 424B2 document View SEC filing for 424B2 PUBLIC SERVICE CO OF COLORADO 424B2 11-8-2010 09 Nov 2010 333-169772
FWP Open FWP document View SEC filing for FWP PUBLIC SERVICE CO OF COLORADO FWP 11-8-2010 08 Nov 2010 333-169772
424B5 Open 424B5 document View SEC filing for 424B5 PUBLIC SERVICE CO OF COLORADO 424B5 11-8-2010 08 Nov 2010 333-169772
8-K Open 8-K document View SEC filing for 8-K PUBLIC SERVICE COMPANY OF COLORADO 8-K 11-8-2010 08 Nov 2010 08 Nov 2010 001-03280
10-Q Open 10-Q document View SEC filing for 10-Q PUBLIC SERVICE COMPANY OF COLORADO 10-Q 9-30-2010 29 Oct 2010 30 Sep 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY INC 8-K 10-28-2010 28 Oct 2010 28 Oct 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K XCEL ENERGY 8-K 10-18-2010 20 Oct 2010 18 Oct 2010 001-03280
S-3ASR Open S-3ASR document View SEC filing for S-3ASR PUBLIC SERVICE CO OF COLORADO S-3ASR 10-4-2010 05 Oct 2010 333-169772
8-K Open 8-K document View SEC filing for 8-K 8-K 18 Aug 2010 13 Aug 2010 001-03280
CT ORDER Open CT ORDER document View SEC filing for CT ORDER 16 Aug 2010 001-03280
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 02 Aug 2010 30 Jun 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Jul 2010 29 Jul 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 07 Jul 2010 06 Jul 2010 001-03280
10-Q Open 10-Q document View SEC filing for 10-Q 10-Q 30 Apr 2010 31 Mar 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Apr 2010 29 Apr 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 05 Apr 2010 02 Apr 2010 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 31 Mar 2010 31 Mar 2010 001-03280
10-K Open 10-K document View SEC filing for 10-K 10-K 01 Mar 2010 31 Dec 2009 001-03280
8-K Open 8-K document View SEC filing for 8-K 8-K 28 Jan 2010 28 Jan 2010 001-03280

About this filer

PUBLIC SERVICE CO OF COLORADO files with the SEC under CIK 0000081018. This page aggregates EDGAR filings and related ownership activity.

Industry: Electric & Other Services Combined.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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