| Filed On | Filing |
|---|---|
| 08 Aug 2025 | 424B5 |
| 07 May 2025 | 424B5 |
| 07 May 2024 | 424B5 |
| 02 Aug 2023 | 424B5 |
| 09 May 2022 | 424B5 |
| 06 Aug 2021 | 424B5 |
| 15 May 2020 | 424B5 |
| 15 May 2019 | 424B5 |
| 02 Mar 2016 | 424B5 |
| 09 Aug 2012 | 424B5 |
| 16 Dec 2009 | 424B5 |
| 27 Mar 2008 | PROSPECTUS SUPPLEMENT |
| 22 Dec 2006 | PROSPECTUS SUPPLEMENT PURSUANT TO RULE 424(B)(5) |
| 12 Dec 2006 | FORM 424(B)(5) |
| 11 Dec 2006 | FILED PURSUANT TO RULE 424(B)(5) |
| 30 Nov 2005 | FORM 424B5 |
| 14 Nov 2005 | FORM 424(B)5 |
| 19 Nov 2004 | 424B5 |
| 04 Sep 2003 | PROSPECTUS SUPPLEMENT |
| 16 Aug 2000 | 424B5 FOR AVISTA CORPORATION |
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