Key Energy Transactions in October 2025: Top 10 Deals

Top Energy Transactions | October 2025 Insights

Top Energy Transactions | October 2025 Insights
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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 October alone, we added more than 3,000 new private company transactions, bringing the total to over 8,000 searchable deals across sectors, industries, and transaction types in Dakota Marketplace

Inside Dakota Marketplace, 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 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 energy transactions.

1. Mustang Express Pipeline - Natural Resources

  • Transaction Date: 10/92025
  • Industry: Energy Equipment Services
  • Type: Real Assets
  • Transaction Value: $2.3B
  • Participants: ARM Energy Holdings, LLC and PIMCO

ARM Energy and PIMCO announced a $2.3 billion investment to develop the 236-mile Mustang Express Pipeline, a major natural gas project connecting key Texas hubs to the LNG corridor at Port Arthur. The pipeline, expected to be completed by 2029, will transport 2.5 billion cubic feet per day and strengthen U.S. natural gas infrastructure to support growing LNG export demand.

2. Verdalia Bioenergy - Structured Credit

  • Transaction Date: 10/7/2025
  • Industry: Oil & Gas & Consumable Fuels
  • Type: Credit
  • Transaction Value: $785M
  • Participants: Ing Bank N.V., Societe Generale Bank, Unicredit Bank Gmbh, Banco Bilbao Vizcaya Argentaria, S.A, Sumitomo Mitsui Banking Corporation, Santander Bank, Banco Sabadell Barcelona, La Caisse, and Rivage Investment

Verdalia Bioenergy, backed by Goldman Sachs, secured €671 million (US$785 million) in debt financing from a consortium of global banks to expand its biomethane operations in Spain and Italy. The funding will support new plant construction and acquisitions, boosting Verdalia’s production capacity to over 3 terawatt-hours per year as it scales its renewable gas platform across Southern Europe.

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3. Producers Midstream - Continuation Vehicle

  • Transaction Date: 10/8/2025
  • Industry: Oil & Gas & Consumable Fuels 
  • Type: Buyout / Private Equity
  • Transaction Value: $500M
  • Participants: Tailwater Capital, Campbell Lutyens, and Kirkland & Ellis LLP

Tailwater Capital closed $1.1 billion in debt and equity financing to recapitalize and expand Producers Midstream II, strengthening its footprint across New Mexico, Texas, and Oklahoma. The deal includes $500 million in new equity commitments led by Goldman Sachs Alternatives and an expanded $600 million credit facility, positioning Producers Midstream for continued infrastructure growth and processing capacity expansion.

4. Toro Energy - Strategic Acquisition

  • Transaction Date: 10/12/2025
  • Industry: Oil & Gas & Consumable Fuels 
  • Type: Acquisition / Merger
  • Transaction Value: $48.8M
  • Participants: Toro Energy Ltd, IsoEnergy Ltd, SCP Resource Finance LP, Cassels Brock & Blackwell LLP, Hamilton Locke, Paul, Weiss, Rifkind, Wharton & Garrison LLP, Canaccord Genuity Inc, and Cardinals Lawyers and Consultants

IsoEnergy announced plans to acquire Toro Energy through a scheme of arrangement, expanding its uranium portfolio with Toro’s 100%-owned Wiluna Uranium Project in Western Australia. The transaction strengthens IsoEnergy’s position as a leading uranium developer amid rising global demand for nuclear energy and strategic resource consolidation.

5. Verta Bioenergy - Seed

  • Transaction Date: 10/15/2025
  • Industry: Oil & Gas & Consumable Fuels
  • Type: Seed
  • Transaction Value: $845K
  • Participants: AlphaGen Venture Capital, ENGIE Factory, and Wright Partners

Verta Bioenergy, a Singapore-based climate-tech startup, raised SGD 1.1 million (US$845,000) in seed funding from investors including ENGIE Factory and Wright Partners to launch its first commercial-scale plant. The company converts agricultural waste into biomass pellets that serve as a cost-competitive, coal-ready fuel alternative, with plans to expand operations across Southeast Asia.

Transactions in Dakota Marketplace

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 Marketplace, 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 Marketplace 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, book a demo of Dakota Marketplace.

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Written By: Morgan Holycross, Marketing Manager

Morgan Holycross is a Marketing Manager at Dakota.