Northwest Natural Holding Company to Acquire SiEnergy Operating, LLC

North Hudson Resource Partners Acquires Hawthorne Energy (HWN)

April 14, 2026

Energy

North Hudson Resource Partners LP (and affiliated funds) acquired Hawthorne Energy LLC, operating in Canada through wholly owned subsidiary HWN Energy Ltd. The deal excludes a subset of HWN’s southern Cardium-focused assets that were spun out prior to close. HWN will continue to be led by its existing management team, including CEO John Oberg and SVP of Engineering Marc Shatzer.

SiEnergy to Acquire EPCOR's Hughes Gas Resources in Texas for $60 Million

May 5, 2025

Energy

SiEnergy Operating, a wholly owned subsidiary of Northwest Natural Holding Company, has agreed to acquire 100% of Hughes Gas Resources, Inc. (EPCOR Texas Gas) from EPCOR USA for $60 million. The deal is expected to close in the second quarter of 2025 as SiEnergy expands its natural gas utility presence in the Houston metro area.

Talos Energy Acquires QuarterNorth Energy for $1.29 Billion

March 4, 2024

Energy

Talos Energy executed definitive agreements to acquire QuarterNorth Energy for $1.29 billion, consisting of Talos common stock and approximately $965 million in cash. The deal was expected to close by end of Q1 2024 subject to customary approvals, and Talos later announced the acquisition was completed on March 4, 2024.

Kinder Morgan Acquires North American Natural Resources

August 11, 2022

Energy

Kinder Morgan, Inc. has closed the $135 million acquisition of North American Natural Resources, Inc. and its sister companies North American Biofuels, LLC and North American-Central, LLC, acquiring seven landfill gas-to-power facilities in Michigan and Kentucky. Kinder Morgan will evaluate converting up to four sites to renewable natural gas (RNG) with approximately $175 million of capital spend, expanding its RNG generation capacity and diversifying its renewables portfolio.

Southwestern Energy Acquires Indigo Natural Resources for ~$2.7B

September 1, 2021

Energy

Southwestern Energy Company agreed to acquire Haynesville-focused Indigo Natural Resources, LLC for approximately $2.7 billion in a transaction comprised of cash, stock and assumed debt. The acquisition adds high-margin dry gas assets and inventory in the Haynesville play, expands Southwestern's access to Gulf Coast LNG markets and accelerates free cash flow and deleveraging targets.

Ridgewood Infrastructure Acquires SiEnergy, LP

September 30, 2019

Utilities

Ridgewood Infrastructure LLC has acquired SiEnergy, LP, a regulated natural gas local distribution company serving roughly 25,000 customers across the Houston, Dallas–Fort Worth and Austin, Texas metropolitan areas. Ridgewood said the deal expands its portfolio of essential infrastructure assets and will support SiEnergy’s continued growth under its existing management team.