Top 10 Energy Transactions: August 2026

Top 10 Energy Transactions: August 2026
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Data sourced from Dakota Private Markets, the private fund performance platform powered by Dakota. Learn More | Request AccessTop 10 Energy Transactions: August 2026

For deal sourcers, staying current on private company activity is critical to spotting active buyers, tracking market trends, and uncovering emerging investment opportunities ahead of competitors.

In August alone, we added more than 2,000 new private company transactions, bringing the total to over 30,000+ searchable deals across sectors, industries, and transaction types in Dakota Private Markets

Inside Dakota Private Markets, you’ll find the transactions tab that provides structured, filterable data on deal types, values, and dates, while our editorial team curates daily updates through the Dakota transactions newsletter, helping you cut through the noise and focus on what matters most.

To ensure the most comprehensive coverage of private market activity, Dakota’s team monitors over 10,000 websites including company websites, newswires, and numerous third-party news providers to capture and verify transaction data as it happens.

Below are the top 10 energy transactions.

1. Momentum midstream - Carve-Out / Divestiture

  • Transaction Date: 8/3/2026
  • Industry: Oil & Gas & Consumable Fuels
  • Type: Acquisition / Merger
  • Transaction Value: $5.5B

Williams has closed its acquisition of Momentum Midstream (M6) from EnCap Flatrock for approximately $5.5 billion ($3.5 billion cash and debt, ~$2 billion equity), adding over 4,000 miles of pipeline and 6 Bcf/d of gathering capacity across the Haynesville Shale to serve Gulf Coast LNG, power, and industrial demand. The deal strengthens Williams' natural gas infrastructure connectivity to premier supply basins, building on Momentum's prior expansions including the NG3 carbon capture project and Clearfork Midstream acquisition.

2. Permian Midland Basin Assets - Asset Purchase

  • Transaction Date: 8/30/2026
  • Industry: Oil & Gas & Consumable Fuels
  • Type: Acquisition / Merger
  • Transaction Value: $4.43B

ONEOK will acquire Brazos Midstream's Permian Midland Basin gathering and processing assets for $4.425 billion, funded by a $9 billion nonvoting minority equity investment from Apollo (capped at a 7.0% IRR for nine years), with $5 billion of proceeds used to extinguish existing debt and accelerate deleveraging to 3.25x debt-to-EBITDA. The acquisition more than doubles ONEOK's Midland Basin processing capacity to approximately 2.3 Bcf/d and is expected to be immediately accretive to earnings and free cash flow per share, with the Brazos deal closing in Q4 2026 and the Apollo investment expected to close in September 2026.

3. Westcoast natural gas pipeline system - Energy

  • Transaction Date: 8/27/2026
  • Industry: Oil & Gas & Consumable Fuels
  • Type: Real Assets
  • Transaction Value: $1.95B

The Westcoast natural gas pipeline system is a strategically critical Canadian network linking Western Canada gas production to markets in British Columbia, the US Pacific Northwest, and international LNG buyers, with two sanctioned expansions underway — Aspen Point (in service 2026) and Sunrise (late 2028) — both backed by long-term take-or-pay contracts. The system is positioned to capture growing demand from regional industrial and residential use, cross-border transport, and rising Canadian LNG exports, underpinning stable, contracted cash flows.

4. Colombia and Ecuador Business of Gran Tierra - Carve-Out / Divestiture

  • Transaction Date: 8/4/2026
  • Industry: Oil & Gas & Consumable Fuels
  • Type: Acquisition / Merger
  • Transaction Value: $1.33B

Gran Tierra Energy has agreed to sell its entire Colombia and Ecuador oil business to Maurel & Prom, majority-owned by Indonesia's Pertamina, for total consideration of $1.33 billion, including assumption of substantially all of Gran Tierra's net liabilities. The deal leaves Gran Tierra debt-free with roughly $250 million in cash at closing, repositioning the company around fully financed growth in Canada and Azerbaijan while supporting a planned share repurchase, with closing targeted for on or about December 31, 2026.

5. Brazos Valley Energy Center - Energy

  • Transaction Date: 8/6/2026
  • Industry: Energy Equipment & Services
  • Type: Real Assets
  • Transaction Value: $860M

LS Power will acquire the Brazos Valley Energy Center, a 606 MW natural gas-fired plant in ERCOT near Houston, from Constellation for $860 million, satisfying the final regulatory divestiture commitment tied to Constellation's Calpine acquisition. The deal expands LS Power's ERCOT footprint and brings its national operating fleet to roughly 14,100 MW upon closing, expected in Q4 2026 pending DOJ approval.

Want to track energy deal activity like this as it happens? Explore the full transactions tab in Dakota Private Markets for real-time, filterable data on every deal in this sector.

6. Offen Petroleum - Strategic Acquisition

  • Transaction Date: 8/6/2026
  • Industry: Oil & Gas & Consumable Fuels
  • Type: Acquisition / Merger
  • Transaction Value: $600M

Sunoco LP will acquire Offen Petroleum for approximately $600 million in an all-cash deal, adding a fuel distribution network delivering roughly 2.5 billion gallons annually to about 7,000 customers and 800+ retail stations across the Midwest, Mountain West, and Southwest. The deal is expected to be immediately accretive and expands Sunoco's geographic footprint, with closing anticipated in Q4 2026 pending regulatory approval.

7. Salt Creek Midstream's Crude Gathering Business - Asset Purchase

  • Transaction Date: 8/26/2026
  • Industry: Oil & Gas & Consumable Fuels
  • Type: Acquisition / Merger
  • Transaction Value: $600M

Enbridge will acquire Salt Creek Midstream's crude gathering business—including 100% of the Orla and Wink North systems and a 50% stake in the Delaware Crossing system—for $600 million in cash, adding roughly 500 miles of Permian Basin gathering infrastructure with 420,000 bpd of throughput capacity. The deal connects directly to Enbridge's Gray Oak Pipeline and Ingleside Energy Center export terminal, expected to be immediately accretive and close later in 2026 pending FTC clearance.

8. U.S. Petroleum Partners - Carve-Out / Divestiture

  • Transaction Date: 8/6/2026
  • Industry: Oil & Gas & Consumable Fuels
  • Type: Acquisition / Merger
  • Transaction Value: $235M

ARKO Petroleum Corp will acquire U.S. Petroleum Partners' fuel supply and distribution business for approximately $205 million in cash plus inventory costs, with an additional $30 million in escrowed stock tied to EBITDA performance targets. The deal adds roughly 280 million gallons of annual fuel volume (a 14% increase) and two fuel terminals connected to the Buckeye Pipeline, expanding APC's Great Lakes presence and contributing about $30 million in annual Adjusted EBITDA, with closing pending Hart-Scott-Rodino approval.

9. OFS Global Energy Solutions - Platform

  • Transaction Date: 8/18/2026
  • Industry: Energy Equipment & Services
  • Type: Buyout / Private Equity
  • Transaction Value: $77M

Exponent, a European private equity firm, will invest approximately €70 million in OFS, an Irish gas turbine specialist providing installation, commissioning, and maintenance services for power generation and data center customers in over 40 countries. Founders Eric Kavanagh and Joseph Dunne will continue leading the business, with the investment aimed at scaling capabilities and headcount to meet rising demand from grid-constrained power and data center markets, with closing expected in Q4 2026.

10. Midstream Valve Partners, Llc - Recapitalization

  • Transaction Date: 8/18/2026
  • Industry: Energy Equipment & Services
  • Type: Growth Equity
  • Transaction Value: $39.3M

Main Street Capital invested $39.3 million to facilitate a minority recapitalization of Midstream Valve Partners, a Texas-based distributor of valves, actuators, and flow-control accessories serving the energy infrastructure and refining industries. The investment, structured as a mix of first lien senior secured debt and direct minority equity, was made in partnership with MVP's founder.

Transactions in Dakota Private Markets

At Dakota, we understand how important it is to stay current on deal activity as it happens. That’s why our editorial team continuously monitors the news for real-time updates on platform investments, add-ons, divestitures, and more to deliver daily highlights straight to your inbox through our transactions newsletter.

Inside Dakota Private Markets, the transactions tab provides structured, filterable data with deal dates, types, sectors, and financials, allowing you to build a customized feed that aligns with your focus areas.

Whether you're evaluating a new investment opportunity or tracking trends within a target sector, Dakota helps you cut through the noise and focus on what matters most.

For more information on these transactions and a deeper dive into their industries and sub-industries, request access to Dakota Private Markets.

Morgan Holycross, Marketing Manager

Written By: Morgan Holycross, Marketing Manager

Morgan Holycross is a Marketing Manager at Dakota.