CONSTELLATION ENERGY GENERATION LLC

Business address
200 Energy Way, Kennett Square, PA, 19348-2473
Top holdings (ownership)
NPWR
Former names
EXELON GENERATION CO LLC (to 03 Feb 2022)
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CONSTELLATION ENERGY GENERATION LLC has filed 685 SEC EDGAR filings since 04 Apr 2002

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open Document | Data Open Filing 8-K 23 Dec 2025 23 Dec 2025 333-85496
8-K Open Document | Data Open Filing 8-K 17 Dec 2025 17 Dec 2025 333-85496
8-K Open Document | Data Open Filing FORM 8-K 09 Dec 2025 09 Dec 2025 333-85496
8-K Open Document | Data Open Filing FORM 8-K 09 Dec 2025 09 Dec 2025 333-85496
8-K Open Document | Data Open Filing 8-K 18 Nov 2025 17 Nov 2025 333-85496
10-Q Open Document | Data Open Filing 10-Q 07 Nov 2025 30 Sep 2025 333-85496
8-K Open Document | Data Open Filing 8-K 07 Nov 2025 07 Nov 2025 333-85496
8-K Open Document | Data Open Filing 8-K 22 Sep 2025 19 Sep 2025 333-85496
10-Q Open Document | Data Open Filing 10-Q 07 Aug 2025 30 Jun 2025 333-85496
8-K Open Document | Data Open Filing 8-K 07 Aug 2025 07 Aug 2025 333-85496
8-K Open Document | Data Open Filing 8-K 22 Jul 2025 22 Jul 2025 333-85496
10-Q Open Document | Data Open Filing 10-Q 06 May 2025 31 Mar 2025 333-85496
8-K Open Document | Data Open Filing 8-K 06 May 2025 06 May 2025 333-85496
10-K Open Document | Data Open Filing 10-K 18 Feb 2025 31 Dec 2024 333-85496
8-K Open Document | Data Open Filing 8-K 18 Feb 2025 18 Feb 2025 333-85496
8-K Open Document | Data Open Filing 8-K 13 Jan 2025 10 Jan 2025 333-85496
8-K Open Document | Data Open Filing 8-K 10 Jan 2025 10 Jan 2025 333-85496
8-K Open Document | Data Open Filing 8-K 03 Jan 2025 31 Dec 2024 333-85496
10-Q Open Document | Data Open Filing 10-Q 04 Nov 2024 30 Sep 2024 333-85496
8-K Open Document | Data Open Filing 8-K 04 Nov 2024 04 Nov 2024 333-85496
8-K Open Document | Data Open Filing 8-K 20 Sep 2024 20 Sep 2024 333-85496
10-Q Open Document | Data Open Filing 10-Q 06 Aug 2024 30 Jun 2024 333-85496
8-K Open Document | Data Open Filing 8-K 06 Aug 2024 06 Aug 2024 333-85496
8-K Open Document | Data Open Filing 8-K 30 Jul 2024 30 Jul 2024 333-85496
8-K Open Document | Data Open Filing 8-K 14 Jun 2024 14 Jun 2024 333-85496
10-Q Open Document | Data Open Filing 10-Q 09 May 2024 31 Mar 2024 333-85496
8-K Open Document | Data Open Filing 8-K 09 May 2024 09 May 2024 333-85496
8-K Open Document | Data Open Filing 8-K 15 Mar 2024 15 Mar 2024 333-85496
424B2 Open Document Open Filing 424B2 13 Mar 2024 333-269826-01
FWP Open Document Open Filing FWP 12 Mar 2024 333-269826-01
424B2 Open Document Open Filing 424B2 12 Mar 2024 333-269826-01
10-K Open Document | Data Open Filing 10-K 27 Feb 2024 31 Dec 2023 333-85496
8-K Open Document | Data Open Filing 8-K 27 Feb 2024 27 Feb 2024 333-85496
10-Q Open Document | Data Open Filing 10-Q 06 Nov 2023 30 Sep 2023 333-85496
8-K Open Document | Data Open Filing 8-K 06 Nov 2023 06 Nov 2023 333-85496
8-K Open Document | Data Open Filing 8-K 01 Nov 2023 01 Nov 2023 333-85496
8-K Open Document | Data Open Filing 8-K 29 Sep 2023 29 Sep 2023 333-85496
424B3 Open Document Open Filing 424B3 27 Sep 2023 333-269826-01
FWP Open Document Open Filing FWP 27 Sep 2023 333-269826-01
424B5 Open Document Open Filing 424B5 26 Sep 2023 333-269826-01
10-Q Open Document | Data Open Filing 10-Q 03 Aug 2023 30 Jun 2023 333-85496
8-K Open Document | Data Open Filing 8-K 03 Aug 2023 03 Aug 2023 333-85496
8-K Open Document | Data Open Filing 8-K 01 Aug 2023 01 Aug 2023 333-85496
SC 13D Open Document Open Filing SC 13D 20 Jun 2023
3 Open Document Open Filing OWNERSHIP DOCUMENT 20 Jun 2023 08 Jun 2023 001-40503
8-K Open Document | Data Open Filing 8-K 01 Jun 2023 31 May 2023 333-85496
10-Q Open Document | Data Open Filing 10-Q 04 May 2023 31 Mar 2023 333-85496
8-K Open Document | Data Open Filing 8-K 04 May 2023 04 May 2023 333-85496
8-K Open Document | Data Open Filing 8-K 03 Apr 2023 03 Apr 2023 333-85496
8-K Open Document | Data Open Filing 8-K 27 Feb 2023 27 Feb 2023 333-85496
8-K Open Document | Data Open Filing 8-K 24 Feb 2023 24 Feb 2023 333-85496
424B3 Open Document Open Filing 424B3 22 Feb 2023 333-269826-01
FWP Open Document Open Filing FWP 21 Feb 2023 333-269826-01
424B5 Open Document Open Filing 424B5 21 Feb 2023 333-269826-01
S-3ASR Open Document Open Filing S-3ASR 16 Feb 2023 333-269826-01
10-K Open Document | Data Open Filing 10-K 16 Feb 2023 31 Dec 2022 333-85496
8-K Open Document | Data Open Filing 8-K 16 Feb 2023 16 Feb 2023 333-85496
10-Q Open Document | Data Open Filing 10-Q 08 Nov 2022 30 Sep 2022 333-85496
8-K Open Document | Data Open Filing 8-K 08 Nov 2022 08 Nov 2022 333-85496
8-K Open Document | Data Open Filing 8-K 18 Aug 2022 16 Aug 2022 333-85496
10-Q Open Document | Data Open Filing 10-Q 04 Aug 2022 30 Jun 2022 333-85496
8-K Open Document | Data Open Filing 8-K 04 Aug 2022 04 Aug 2022 333-85496
8-K Open Document | Data Open Filing 8-K 21 Jun 2022 21 Jun 2022 333-85496
10-Q Open Document | Data Open Filing 10-Q 12 May 2022 31 Mar 2022 333-85496
8-K Open Document | Data Open Filing 8-K 12 May 2022 12 May 2022 333-85496
8-K Open Document | Data Open Filing 8-K 10 Mar 2022 10 Mar 2022 333-85496
10-K Open Document | Data Open Filing 10-K 25 Feb 2022 31 Dec 2021 333-85496
8-K Open Document | Data Open Filing 8-K 14 Feb 2022 09 Feb 2022 333-85496
8-K Open Document | Data Open Filing FORM 8-K 03 Feb 2022 01 Feb 2022 333-85496
POSASR Open Document Open Filing POSASR 31 Jan 2022 333-233543-01
8-K Open Document | Data Open Filing 8-K 10 Jan 2022 10 Jan 2022 333-85496
8-K Open Document | Data Open Filing 8-K 07 Jan 2022 06 Jan 2022 333-85496
8-K Open Document | Data Open Filing 8-K 06 Jan 2022 06 Jan 2022 333-85496
8-K Open Document | Data Open Filing 8-K 03 Jan 2022 03 Jan 2022 333-85496
8-K Open Document | Data Open Filing 8-K 16 Dec 2021 16 Dec 2021 333-85496
8-K Open Document | Data Open Filing 8-K 24 Nov 2021 23 Nov 2021 333-85496
10-Q Open Document | Data Open Filing 10-Q 03 Nov 2021 30 Sep 2021 333-85496
8-K Open Document | Data Open Filing 8-K 03 Nov 2021 03 Nov 2021 333-85496
8-K Open Document | Data Open Filing 8-K 01 Oct 2021 01 Oct 2021 333-85496
8-K Open Document | Data Open Filing 8-K 15 Sep 2021 15 Sep 2021 333-85496
8-K Open Document | Data Open Filing 8-K 09 Aug 2021 06 Aug 2021 333-85496
10-Q Open Document | Data Open Filing 10-Q 04 Aug 2021 30 Jun 2021 333-85496
8-K Open Document | Data Open Filing 8-K 04 Aug 2021 04 Aug 2021 333-85496
8-K Open Document | Data Open Filing 8-K 03 Jun 2021 02 Jun 2021 333-85496
10-Q Open Document | Data Open Filing 10-Q 05 May 2021 31 Mar 2021 333-85496
8-K Open Document | Data Open Filing 8-K 05 May 2021 05 May 2021 333-85496
8-K Open Document | Data Open Filing 8-K 30 Apr 2021 28 Apr 2021 333-85496
8-K Open Document | Data Open Filing 8-K 28 Apr 2021 28 Apr 2021 333-85496
8-K Open Document | Data Open Filing 8-K 31 Mar 2021 29 Mar 2021 333-85496
10-K Open Document | Data Open Filing 10-K 24 Feb 2021 31 Dec 2020 333-85496
8-K Open Document | Data Open Filing 8-K 24 Feb 2021 24 Feb 2021 333-85496
8-K Open Document | Data Open Filing 8-K 24 Feb 2021 21 Feb 2021 333-85496
8-K Open Document | Data Open Filing 8-K 18 Feb 2021 15 Feb 2021 333-85496
8-K Open Document | Data Open Filing 8-K 18 Dec 2020 15 Dec 2020 333-85496
8-K Open Document | Data Open Filing 8-K 09 Dec 2020 08 Dec 2020 333-85496
10-Q Open Document | Data Open Filing 10-Q 03 Nov 2020 30 Sep 2020 333-85496
8-K Open Document | Data Open Filing 8-K 03 Nov 2020 03 Nov 2020 333-85496
8-K Open Document | Data Open Filing 8-K 27 Aug 2020 27 Aug 2020 333-85496
8-K Open Document | Data Open Filing 8-K 21 Aug 2020 20 Aug 2020 333-85496
10-Q Open Document | Data Open Filing 10-Q 04 Aug 2020 30 Jun 2020 333-85496
8-K Open Document | Data Open Filing 8-K 04 Aug 2020 04 Aug 2020 333-85496
8-K Open Document | Data Open Filing 8-K 15 May 2020 15 May 2020 333-85496
424B5 Open Document Open Filing PROSPECTUS FILED PURSUANT TO RULE 424(B)(5) 13 May 2020 333-233543-01
FWP Open Document Open Filing FILING UNDER SECURITIES ACT RULES 163/433 OF FREE WRITING PROSPECTUSES 12 May 2020 333-233543-01
424B2 Open Document Open Filing PROSPECTUS FILED PURSUANT TO RULE 424(B)(2) 12 May 2020 333-233543-01
10-Q Open Document | Data Open Filing 10-Q 08 May 2020 31 Mar 2020 333-85496
8-K Open Document | Data Open Filing 8-K 08 May 2020 08 May 2020 333-85496
UPLOAD Open Document Open Filing 17 Apr 2020
8-K Open Document | Data Open Filing 8-K 09 Apr 2020 08 Apr 2020 333-85496
UPLOAD Open Document Open Filing 06 Apr 2020
UPLOAD Open Document Open Filing 09 Mar 2020
10-K Open Document | Data Open Filing 10-K 11 Feb 2020 31 Dec 2019 333-85496
8-K Open Document | Data Open Filing 8-K 11 Feb 2020 11 Feb 2020 333-85496
8-K Open Document | Data Open Filing 8-K 20 Nov 2019 20 Nov 2019 333-85496
10-Q Open Document | Data Open Filing 10-Q 31 Oct 2019 30 Sep 2019 333-85496
8-K Open Document | Data Open Filing 8-K 31 Oct 2019 31 Oct 2019 333-85496
S-3ASR Open Document Open Filing S-3ASR 30 Aug 2019 333-233543-01
10-Q Open Document | Data Open Filing 10-Q 01 Aug 2019 30 Jun 2019 333-85496
8-K Open Document Open Filing 8-K 01 Aug 2019 01 Aug 2019 333-85496
8-K Open Document Open Filing 8-K 08 May 2019 08 May 2019 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 02 May 2019 31 Mar 2019 333-85496
8-K Open Document Open Filing 8-K 02 May 2019 02 May 2019 333-85496
8-K Open Document Open Filing 8-K 16 Apr 2019 16 Apr 2019 333-85496
10-K Open Document | Data Open Filing FORM 10-K 08 Feb 2019 31 Dec 2018 333-85496
8-K Open Document Open Filing 8-K 08 Feb 2019 08 Feb 2019 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 01 Nov 2018 30 Sep 2018 333-85496
8-K Open Document Open Filing 8-K 01 Nov 2018 01 Nov 2018 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 02 Aug 2018 30 Jun 2018 333-85496
8-K Open Document Open Filing 8-K 02 Aug 2018 02 Aug 2018 333-85496
8-K Open Document Open Filing 8-K 10 Jul 2018 09 Jul 2018 333-85496
8-K Open Document Open Filing 8-K 24 May 2018 24 May 2018 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 02 May 2018 31 Mar 2018 333-85496
8-K Open Document Open Filing 8-K 02 May 2018 02 May 2018 333-85496
CT ORDER Open Document Open Filing 26 Apr 2018 333-85496
8-K Open Document Open Filing 8-K 29 Mar 2018 29 Mar 2018 333-85496
10-K Open Document | Data Open Filing FORM 10-K 09 Feb 2018 31 Dec 2017 333-85496
8-K Open Document Open Filing 8-K 07 Feb 2018 07 Feb 2018 333-85496
8-K Open Document Open Filing 8-K 02 Feb 2018 31 Jan 2018 333-85496
8-K Open Document Open Filing 8-K 05 Jan 2018 22 Dec 2017 333-85496
8-K Open Document Open Filing 8-K 30 Nov 2017 28 Nov 2017 333-85496
8-K Open Document Open Filing FORM 8-K 07 Nov 2017 07 Nov 2017 333-85496
8-K Open Document Open Filing 8-K 06 Nov 2017 06 Nov 2017 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 02 Nov 2017 30 Sep 2017 333-85496
8-K Open Document Open Filing 8-K 02 Nov 2017 02 Nov 2017 333-85496
UPLOAD Open Document Open Filing 16 Aug 2017
10-Q Open Document | Data Open Filing FORM 10-Q 02 Aug 2017 30 Jun 2017 333-85496
8-K Open Document | Data Open Filing 8-K 02 Aug 2017 02 Aug 2017 333-85496
UPLOAD Open Document Open Filing 31 Jul 2017
UPLOAD Open Document Open Filing 06 Jul 2017
8-K Open Document Open Filing 8-K 30 May 2017 30 May 2017 333-85496
8-K Open Document Open Filing 8-K 24 May 2017 23 May 2017 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 03 May 2017 31 Mar 2017 333-85496
8-K Open Document Open Filing 8-K 03 May 2017 03 May 2017 333-85496
POSASR Open Document Open Filing POSASR 28 Apr 2017 333-213383-06
8-K Open Document Open Filing 8-K 03 Apr 2017 31 Mar 2017 333-85496
8-K Open Document Open Filing FORM 8-K 10 Mar 2017 10 Mar 2017 333-85496
424B2 Open Document Open Filing 424B2 08 Mar 2017 333-213383-06
FWP Open Document Open Filing FWP 08 Mar 2017 333-213383-06
FWP Open Document Open Filing FWP 07 Mar 2017 333-213383-06
424B2 Open Document Open Filing 424B2 07 Mar 2017 333-213383-06
10-K Open Document | Data Open Filing FORM 10-K 13 Feb 2017 31 Dec 2016 333-85496
8-K Open Document Open Filing 8-K 08 Feb 2017 08 Feb 2017 333-85496
8-K Open Document Open Filing 8-K 13 Dec 2016 07 Dec 2016 333-85496
8-K Open Document Open Filing 8-K 18 Nov 2016 18 Nov 2016 333-85496
8-K Open Document Open Filing FORM 8-K 04 Nov 2016 04 Nov 2016 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 26 Oct 2016 30 Sep 2016 333-85496
8-K Open Document Open Filing 8-K 26 Oct 2016 26 Oct 2016 333-85496
8-K Open Document Open Filing 8-K 21 Sep 2016 21 Sep 2016 333-85496
S-3ASR Open Document Open Filing S-3ASR 30 Aug 2016 333-213383-06
8-K Open Document Open Filing FORM 8-K 10 Aug 2016 09 Aug 2016 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 09 Aug 2016 30 Jun 2016 333-85496
8-K Open Document Open Filing FORM 8-K 09 Aug 2016 09 Aug 2016 333-85496
8-K Open Document Open Filing 8-K 07 Jul 2016 07 Jul 2016 333-85496
8-K Open Document | Data Open Filing FORM 8-K 02 Jun 2016 02 Jun 2016 333-85496
8-K Open Document | Data Open Filing 8-K 27 May 2016 26 May 2016 333-85496
8-K Open Document | Data Open Filing FORM 8-K 25 May 2016 24 May 2016 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 10 May 2016 31 Mar 2016 333-85496
8-K Open Document | Data Open Filing FORM 8-K 06 May 2016 06 May 2016 333-85496
8-K Open Document | Data Open Filing FORM 8-K 15 Apr 2016 15 Apr 2016 333-85496
8-K Open Document Open Filing FORM 8-K 05 Apr 2016 31 Mar 2016 333-85496
10-K Open Document | Data Open Filing FORM 10-K 10 Feb 2016 31 Dec 2015 333-85496
8-K Open Document Open Filing FORM 8-K 03 Feb 2016 03 Feb 2016 333-85496
8-K Open Document Open Filing 8-K 09 Nov 2015 09 Nov 2015 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 30 Oct 2015 30 Sep 2015 333-85496
8-K Open Document Open Filing FORM 8-K 30 Oct 2015 30 Oct 2015 333-85496
8-K Open Document Open Filing FORM 8-K 29 Oct 2015 29 Oct 2015 333-85496
8-K Open Document Open Filing 8-K 01 Oct 2015 01 Oct 2015 333-85496
8-K Open Document Open Filing FORM 8-K 28 Sep 2015 28 Sep 2015 333-85496
UPLOAD Open Document Open Filing 15 Sep 2015
8-K Open Document Open Filing FORM 8-K 10 Sep 2015 09 Sep 2015 333-85496
8-K Open Document Open Filing 8-K 01 Sep 2015 31 Aug 2015 333-85496
8-K Open Document Open Filing 8-K 27 Aug 2015 27 Aug 2015 333-85496
8-K Open Document Open Filing FORM 8-K 24 Aug 2015 21 Aug 2015 333-85496
UPLOAD Open Document Open Filing 14 Aug 2015
10-Q Open Document | Data Open Filing FORM 10-Q 29 Jul 2015 30 Jun 2015 333-85496
8-K Open Document Open Filing FORM 8-K 29 Jul 2015 29 Jul 2015 333-85496
8-K Open Document Open Filing 8-K 01 Jun 2015 01 Jun 2015 333-85496
8-K Open Document Open Filing FORM 8-K 01 Jun 2015 01 Jun 2015 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 29 Apr 2015 31 Mar 2015 333-85496
8-K Open Document Open Filing FORM 8-K 29 Apr 2015 29 Apr 2015 333-85496
10-K Open Document | Data Open Filing FORM 10-K 13 Feb 2015 31 Dec 2014 333-85496
8-K Open Document Open Filing 8-K 13 Feb 2015 13 Feb 2015 333-85496
8-K Open Document Open Filing 8-K 14 Jan 2015 13 Jan 2015 333-85496
424B2 Open Document Open Filing 424B2 09 Jan 2015 333-196220-04
FWP Open Document Open Filing FWP 08 Jan 2015 333-196220-04
424B2 Open Document Open Filing 424B2 08 Jan 2015 333-196220-04
8-K Open Document Open Filing 8-K 10 Nov 2014 10 Nov 2014 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 29 Oct 2014 30 Sep 2014 333-85496
8-K Open Document Open Filing FORM 8-K 29 Oct 2014 29 Oct 2014 333-85496
8-K Open Document Open Filing FORM 8-K 22 Sep 2014 18 Sep 2014 333-85496
10-Q Open Document | Data Open Filing FORM 10-Q 31 Jul 2014 30 Jun 2014 333-85496
8-K Open Document Open Filing FORM 8-K 31 Jul 2014 31 Jul 2014 333-85496
8-K Open Document Open Filing 8-K 30 Jul 2014 29 Jul 2014 333-85496
8-K Open Document Open Filing 8-K 10 Jul 2014 09 Jul 2014 333-85496
8-K Open Document Open Filing FORM 8-K 04 Jun 2014 30 May 2014 333-85496
8-K Open Document Open Filing 8-K 28 May 2014 28 May 2014 333-85496
8-K Open Document Open Filing FORM 8-K 27 May 2014 23 May 2014 333-85496
S-3ASR Open Document Open Filing S-3ASR 23 May 2014 333-196220-04
10-Q Open Document | Data Open Filing FORM 10-Q 30 Apr 2014 31 Mar 2014 333-85496
8-K Open Document Open Filing FORM 8-K 30 Apr 2014 30 Apr 2014 333-85496
8-K Open Document Open Filing 8-K 01 Apr 2014 01 Apr 2014 333-85496
10-K Open Document | Data Open Filing FORM 10-K 14 Feb 2014 31 Dec 2013 333-85496
8-K Open Document Open Filing 8-K 12 Feb 2014 06 Feb 2014 333-85496
8-K Open Document Open Filing FORM 8-K 06 Feb 2014 06 Feb 2014 333-85496