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Matheson LLP

Energy & Natural Resources

Europe Guide 2026 : Ireland

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Matheson LLP

Rankings

About

Provided by Matheson LLP

Matheson’s Energy, Natural Resources and Utilities team is the largest dedicated energy practice in the Irish market.

The team consists of specialists in energy and utilities regulation, project finance, real estate, planning, energy and natural resources mergers and acquisitions and construction in order to provide a full service offering. The team has the track record, experience and depth of resources to support its clients on the most complex and innovative transactions in this sector.

Our market-leading lawyers regularly advise developers, funders, utilities, purchasers and sellers across all aspects of this sector including:

  • Energy and Natural Resources Mergers and Acquisitions
  • Energy Project Development (Wind (both offshore and onshore), Solar, Battery Storage, CHP, Biomass, Conventional)
  • Irish and EU Energy Regulation (including REMIT and all other financial regulations)
  • Route to Market (Corporate/Subsidised/Merchant PPAs, CfDs, Gas Supply and Trading, Tolling Contracts)
  • Energy Project Finance
  • Energy Efficiency
  • Interconnection (electricity and gas)
  • Upstream, Midstream and Downstream Oil and Gas
  • Liquefied Natural Gas
  • Electricity Connection and Licensing
  • Gas Connection, Supply and Transportation
  • Mining, Mineral, Quarrying and Fossil Fuel Exploration
  • Planning, Environmental and Real Estate Matters

Chambers Review

Provided by Chambers

Energy & Natural Resources - Ireland

Band 1

What the Team is Known For

Matheson has a full-service energy practice that handles corporate and asset transactions, as well as project finance mandates. The team is well versed in matters concerning wind and solar farms, as well as battery storage systems. The lawyers are experienced in negotiating and reviewing complex power purchase agreements. The firm is well placed to assist major international clients with cross-border mandates. Team members also assist clients with environmental permitting issues.

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Strengths

Provided by Chambers

  • The team at Matheson is very prompt at responding and providing thorough advice.

    Energy & Natural Resources respondentEurope

  • The team has a very solid understanding of the regulatory environment, which is crucial to making decisions, and also has an ability to assess risk and propose mitigation measures.

    Energy & Natural Resources respondentEurope

  • Matheson provides great service levels, responsiveness and deadline management.

    Energy & Natural Resources respondentEurope

  • The advice is targeted and relevant. The lawyers are available and responsive, and they are very good at reading what the client needs.

    Energy & Natural Resources respondentEurope

  • There's a culture of client service in the firm that is just fantastic.

    Energy & Natural Resources respondentEurope

Notable Practitioners

Provided by Chambers

  • Garret Farrelly
    Garret Farrelly

    Garret Farrelly

    Garret Farrelly's broad practice covers the transactional and regulatory aspects of large-scale energy projects and green energy transitions. He acts for international financial institutions as well as domestic developers.

    • He is super user friendly, very collaborative and jumps into the detail, while being able to pull your head out of the detail and provide perspective.

      Energy & Natural Resources respondentEurope

    • Garret Farrelly is really well respected and well plugged into the industry.

      Energy & Natural Resources respondentEurope

    • He is the consummate professional with excellent communication skills.

      Energy & Natural Resources respondentEurope

    • He's brilliant. He's so good at responding to you.

      Energy & Natural Resources respondentEurope

    • Garret Farrelly understands our requirements and has provided strong advice and guidance on key aspects of our business.

      Energy & Natural Resources respondentEurope
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  • Nicola Dunleavy
    Nicola Dunleavy

    Nicola Dunleavy

    Nicola Dunleavy acts for a host of private and public clients, including government departments, developers and investors, on environment and planning issues, including renewable energy sector permit issues.

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  • Owen Collins
    Owen Collins

    Owen Collins

    Owen Collins garners impressive recognition from clients for his energy practice. He acts for energy companies, investors and infrastructure operators on a range of regulatory and transactional energy matters, as well as advising on power purchase agreements and judicial reviews.

    • His insights into the Irish market are invaluable.

      Energy & Natural Resources respondentEurope

    • Owen Collins combines deep legal expertise with a strong grasp of the Irish energy market, which brings both legal depth and commercial insight to every matter.

      Energy & Natural Resources respondentEurope

    • Owen Collins is very personable and easy to speak to.

      Energy & Natural Resources respondentEurope

    • He is super knowledgeable and a great help. He is always up to speed with market developments.

      Energy & Natural Resources respondentEurope
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Ranked Individuals at Matheson LLP (3)

Ireland

Members

Provided by Matheson LLP

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