Spire Acquires Duke Energy’s Tennessee Piedmont Natural Gas Business for $2.48 Billion

Phillips 66 Acquires Pinnacle Midstream from Energy Spectrum Capital

May 20, 2024

Energy

Phillips 66 has agreed to acquire Pinnacle Midland Parent LLC (Pinnacle Midstream II) from private equity firm Energy Spectrum Capital for $550 million to expand its natural gas gathering and processing footprint in the Midland Basin. The assets include the Dos Picos 220 MMcf/d processing plant, ~80 miles of gathering pipeline and 50,000 dedicated acres; the deal is expected to close mid‑2024 subject to customary conditions, including HSR clearance.

Boardwalk Pipeline Partners, LP to Acquire Spire Marketing Inc.

March 30, 2026

Energy

Boardwalk Pipeline Partners, LP entered into an agreement to acquire Spire Marketing Inc. from Spire Inc. as it expands its presence across the natural gas value chain. The deal is expected to close in Q2 2026, subject to regulatory approvals and customary closing conditions.

Enbridge Acquires Public Service Company of North Carolina (PSNC) from Dominion Energy

October 1, 2024

Utilities

Enbridge Inc. has completed the acquisition of Public Service Company of North Carolina, Incorporated (PSNC) from Dominion Energy. PSNC — a regulated single-state natural gas utility serving over 600,000 customers with more than 13,000 miles of pipeline — will operate as Enbridge Gas North Carolina and join Enbridge's Gas Distribution and Storage business unit.

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.

Tower Engineering Professionals Acquires Piedmont Utility Group

May 16, 2024

Construction

Tower Engineering Professionals (TEP) has acquired Piedmont Utility Group, a Mooresboro, North Carolina-based fiber optic and utility construction services provider. The acquisition expands TEP's telecom and utility construction capabilities and strengthens its position as a large turnkey engineering and construction operator across North America.

Gas South Acquires Infinite Energy

October 20, 2020

Energy

Gas South agreed to acquire Florida-based Infinite Energy, acquiring its wholesale and retail natural gas business and customer list (the companies said the deal would close by end of 2020 subject to regulatory approvals). The transaction will more than double Gas South's annual revenue to about $1 billion and expand its customer base across the Southeast; Infinite Energy's Texas retail electricity business is excluded from the sale.