AVISTA CORP — 11-K Filings
25 11-K filings on record
This page lists all 11-K filings submitted to the SEC by AVISTA CORP (AVA), sorted by most recent first. Each row links to the full filing on EdgarLookup. AVISTA CORP has filed 25 11-K documents with the SEC since 2017. To view all SEC filings by AVISTA CORP, see the full filings list.
All
10-12B/A
10-K
10-K/A
10-K405
10-Q
11-K
11-K/A
144
25-NSE
3
3/A
4
4/A
424B1
424B2
424B3
424B5
425
5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFM14A
DFAN14A
EFFECT
FWP
NO ACT
POS AM
PRE 14A
PREM14A
S-3
S-3/A
S-3ASR
S-3D
S-4
S-4/A
S-8
S-8 POS
SC 13E4
SC 13E4/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 11-K | 11-K | 0000950170-25-088901 | Jun 23, 2025 | Dec 31, 2024 |
| 11-K | 11-K | 0000950170-24-077490 | Jun 26, 2024 | Dec 31, 2023 |
| 11-K | 11-K | 0000950170-23-029933 | Jun 27, 2023 | Dec 31, 2022 |
| 11-K | 11-K | 0000950170-22-012109 | Jun 24, 2022 | Dec 31, 2021 |
| 11-K | 11-K | 0001564590-21-032564 | Jun 11, 2021 | Dec 31, 2020 |
| 11-K | 11-K | 0000104918-20-000093 | Jun 1, 2020 | Dec 31, 2019 |
| 11-K | 11-K | 0000104918-19-000118 | Jun 21, 2019 | Dec 31, 2018 |
| 11-K | 11-K | 0000104918-18-000094 | Jun 27, 2018 | Dec 31, 2017 |
| 11-K | 11-K | 0000104918-17-000100 | Jun 14, 2017 | Dec 31, 2016 |
| 11-K | 11-K | 0000104918-16-000245 | Jun 21, 2016 | Dec 31, 2015 |
| 11-K | 11-K | 0000104918-15-000095 | Jun 17, 2015 | Dec 31, 2014 |
| 11-K | 11-K | 0000104918-14-000085 | Jun 23, 2014 | Dec 31, 2013 |
| 11-K | 11-K | 0000104918-13-000080 | Jun 25, 2013 | Dec 31, 2012 |
| 11-K | FORM 11-K | 0001193125-12-283850 | Jun 26, 2012 | Dec 31, 2011 |
| 11-K | FORM 11-K | 0001193125-11-175761 | Jun 28, 2011 | Dec 31, 2010 |
| 11-K | FORM 11-K | 0001193125-10-149604 | Jun 29, 2010 | Dec 31, 2009 |
| 11-K | AUTO-GENERATED PAPER DOCUMENT | 9999999997-09-023379 | Jul 6, 2009 | Dec 31, 2008 |
| 11-K | AUTO-GENERATED PAPER DOCUMENT | 9999999997-08-030877 | Jul 2, 2008 | Dec 31, 2007 |
| 11-K | AUTO-GENERATED PAPER DOCUMENT | 9999999997-07-031614 | Jul 3, 2007 | Dec 31, 2006 |
| 11-K | AUTO-GENERATED PAPER DOCUMENT | 9999999997-06-029921 | Jul 3, 2006 | Dec 31, 2005 |
| 11-K | AUTO-GENERATED PAPER DOCUMENT | 9999999997-05-030616 | Jul 5, 2005 | Dec 31, 2004 |
| 11-K | AUTO-GENERATED PAPER DOCUMENT | 9999999997-04-028265 | Jul 1, 2004 | Dec 31, 2003 |
| 11-K | AUTO-GENERATED PAPER DOCUMENT | 9999999997-03-027921 | Jul 1, 2003 | Dec 31, 2002 |
| 11-K | AUTO-GENERATED PAPER DOCUMENT | 9999999997-02-040650 | Jul 5, 2002 | Dec 31, 2001 |
| 11-K | WASHINGTON WATER POWER FORM 11-K | 0000891020-94-000101 | Jul 7, 1994 | Mar 31, 1993 |