On the Record · Avista

Avista acquisitions, on the record

The businesses Avista bought and sold, as its annual reports describe them, with the cash it reported paying for acquisitions each year and every deal filing since 2016.

Deals its annual reports describe

Business	Deal	When	Value
Colstrip Units 3 & 4 Interests Word for word“Colstrip Units 3 & 4 Interests Abandonment and Acquisition Agreement, dated as of January 16, 2023, among Avista Corporation and NorthWestern Corporation.” 10-K for 2023	agreed divestiture	January 16, 2023	—
AERC Word for word“certain requirements under the OPUC approval of the AERC acquisition in 2014.” 10-K for 2023	acquisition	2014	—

As filedReported in the company's financial data (XBRL), each linked to its filing
Fiscal year ended	Cash paid for acquisitions (net of cash acquired)
2016-12-31	$0

Deal filings since 2016

2026-05-20 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2026-05-05 Form 8-K, Item 2.01: Completion of Acquisition or Disposition of Assets
2025-07-25 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2023-03-31 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2023-01-17 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2023-01-05 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2022-12-20 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2022-11-30 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2021-09-30 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2021-06-08 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-10-02 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-06-08 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-04-08 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-12-02 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-08-12 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-01-24 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2017-12-18 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2017-07-19 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2016-12-16 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2016-08-16 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement

Read from Avista’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-25. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.