Europe - Ireland

Mason Hayes & Curran LLP

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Mason Hayes & Curran LLP has built a strong reputation for its specialist knowledge of the Irish energy market. The firm advises its diverse client base on the acquisition and financing of onshore and offshore wind projects. The team is jointly led by Eoin Cassidy, who is active on power purchase agreements and project financing transactions, and Rory Kirrane SC, who is well-regarded for her experience in energy and infrastructure project financing. Will Carmody regularly assists financial institutions and corporate borrowers with lending transactions. David Gunn and Hannah Devoy are key contacts within the practice.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Eoin Cassidy has exceptional knowledge of the energy sector, provides clear and pragmatic advice. David Gunn is technically strong and unflappable. Conor Bates has a bright future ahead of him, and is technically strong and pragmatic.’
  • ‘The Mason Hayes & Curran energy team has significant experience advising public sector clients in a broad range of contentious and non-contentious matters. Their availability, attention to detail, and depth of knowledge (particularly at partner level) set them apart.’
  • ‘Eoin Cassidy is an excellent team lead whose commercial knowledge and skills as a negotiator have been particularly valuable to us as a client. Rob McDwyer stood out to our team through his excellent communication, drafting, and the speed with which he came up to speed on complex matters.’
  • ‘The team is very knowledgeable in the subject matter and involves people of all levels to nurture an environment of knowledge growth.’
  • ‘Eoin Cassidy and his team are very appreciable and available to offer pragmatic and practical advice.’
  • ‘The team members were knowledgeable, approachable and professional. They also put you at ease and set out what the challenges are, and also made it understandable. Being made to feel you are part of the solution creates a very creative and productive outcome.’
  • ‘This team is at the top of its game. Always up to date on the latest legal matters and give sound, bankable advice.’
  • ‘The individuals on this team are like an extension of our team. They are truly passionate about our projects and seeing positive outcomes. They go above and beyond in their turn around times and are always there to support us at short notice.’

Key clients

  • SSE Renewables
  • SSE Generation
  • Irish Water
  • Norddeutsche Landesbank Girozentrale
  • EirGrid plc
  • Fortum eNext Ireland
  • Sustainable Energy Authority of Ireland
  • Statkraft Ireland
  • Elgin Energy
  • BayWa
  • Greencoat Renewables
  • Bord na Móna
  • Centrica Business Solutions
  • RWE Renewables
  • Impax Asset Management Group
  • FuturEnergy Ireland
  • Energia
  • Amarenco Solar Ireland
  • Société Générale
  • Encavis AG
  • Bord Gais Energy
  • Temporis Aurora
  • Inis Offshore Wind
  • Greener Ideas Limited
  • BNRG
  • Meta Plaforms Inc.

Work highlights

  • Advised SSE Renewables on the development of the 800MW expansion to the Arklow Bank offshore wind farm.
  • Advised EirGrid plc, Ireland’s state-owned transmission system operator, on all planning and environmental elements of the Celtic Interconnector Project, including the Strategic Infrastructure Development Planning Application and Foreshore Licence Application.
  • Advised Greener Ideas Limited, a subsidiary of Bord Gais and Centrica plc on its €300m investment in the construction and connection to the transmission system of two circa 100MW dual fuel generation power stations.

Lawyers

Next Generation Partners

Practice head

The lawyer(s) leading their teams.

Eoin Cassidy, Rory Kirrane SC

Other key lawyers

David Gunn, Conor Bates, Rob McDwyer, Will Carmody, Hannah Devoy