On the Record · Northwest Natural Holding

Northwest Natural Holding acquisitions, on the record

The businesses Northwest Natural Holding 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
water utility with approximately 1,450 connections in Arizona Word for word“In the first quarter of 2023, NWN Water signed a purchase agreement for a water utility with approximately 1,450 connections in Arizona.” 10-K for 2023	agreed acquisition	—	—
water and wastewater business with approximately 2,150 connections in Oregon Word for word“In the second quarter of 2023, NWN Water signed a purchase agreement for a water and wastewater business with approximately 2,150 connections in Oregon.” 10-K for 2023	acquisition	—	—
Avion Water Company, Inc. (increased ownership stake) Word for word“In the second quarter of 2023, NWN Water increased its ownership stake in Avion Water Company, Inc.” 10-K for 2023	acquisition	—	—
water utility with approximately 2,400 connections in Arizona Word for word“In the fourth quarter of 2023, NWN Water acquired a water utility with approximately 2,400 connections in Arizona.” 10-K for 2023	acquisition	fourth quarter of 2023	—
five businesses qualifying as business combinations (Pedersen Family, LLC; King Water Corporation; Rose Valley Water Company; Hiland Water; Truxton and Cerbat) Word for word“The aggregate fair value of the preliminary total consideration transferred for these acquisitions was $ 22.8 million, most of which was preliminarily allocated to property, plant, and equipment, and goodwill.” 10-K for 2023	acquisition	—	$ 22.8 million
Far West Water & Sewer, Inc. (water and wastewater utilities, Yuma, Arizona) Word for word“The acquisition-date fair value of the total consideration transferred, after closing adjustments, was approximately $ 97.0 million, of which $ 88.4 million was cash consideration transferred at closing, $ 8.1 million was contingent consideration, and $ 0.5 million was deferred consideration.” 10-K for 2023	acquisition	—	approximately $ 97.0 million
SiEnergy Operating, LLC (SiEnergy) Word for word“In January 2025, NW Holdings acquired SiEnergy Operating, LLC (SiEnergy), which is regulated by the Railroad Commission of Texas.” 10-K for 2024	acquisition	January 2025	—
Infrastructure Capital Holdings Word for word“In addition, NWN Water completed the acquisition of Infrastructure Capital Holdings in 2024 and paid $29.9 million in cash consideration.” 10-K for 2024	acquisition	2024	$29.9 million in cash consideration
ICH water acquisition Word for word“Closed ICH water acquisition adding wastewater and recycled water customers across Oregon, Idaho and California;” 10-K for 2024	acquisition	—	—
Rose Valley Water Company in Arizona Word for word“On October 2, 2023 and December 22, 2023, NW Holdings issued a total of 175,674 and 141 unregistered shares of common stock, respectively, to the sellers as closing consideration and post-closing purchase price adjustment payment in connection with the acquisition of Rose Valley Water Company.” 10-K for 2024	acquisition	October 2, 2023 and December 22, 2023	—
Hiland Water Corp. in Oregon Word for word“On October 31, 2023 and December 29, 2023, NW Holdings issued a total of 9,158 and 142,292 unregistered shares of common stock, respectively, to the sellers as closing consideration in connection with the acquisition of Hiland Water Corp.” 10-K for 2024	acquisition	October 31, 2023 and December 29, 2023	—
water utility with approximately 700 connections in Texas Word for word“In the first quarter of 2023, NWN Water signed a purchase agreement for a water utility with approximately 700 connections in Texas.” 10-K for 2024	agreed acquisition	—	—
three water utilities with approximately 200 connections in Oregon Word for word“In the second quarter of 2024, NWN Water signed a purchase agreement for three water utilities with approximately 200 connections in Oregon.” 10-K for 2024	acquisition	—	—
water utility with approximately 1,500 connections in Texas Word for word“In the fourth quarter of 2024, NWN Water signed a purchase agreement for a water utility with approximately 1,500 connections in Texas.” 10-K for 2024	agreed acquisition	fourth quarter of 2024	—
Pines Holdings, Inc. (Pines) Word for word“SiEnergy acquired Pines on June 2, 2025, and Pines results from June 2, 2025 to December 31, 2025 are included in the table above.” 10-K for 2025	acquisition	June 2, 2025	—

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)	Cash received from selling businesses
2017-12-31	$0	—
2018-12-31	$873,000	$0
2019-12-31	$56.8 million	$0
2020-12-31	$38.3 million	$12.5 million
2021-12-31	$1.3 million	$0
2022-12-31	$94.3 million	$0
2023-12-31	$7.5 million	—
2024-12-31	$29.8 million	—
2025-12-31	$338.1 million	—

Deal filings since 2016

2026-06-05 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-12-07 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-09-29 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-08-17 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-06-26 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-05-15 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-03-25 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2020-03-02 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement
2019-12-16 Form 8-K, Item 1.01: Entry into a Material Definitive Agreement

Read from Northwest Natural Holding’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 2026-02-27. 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.