Europe - Ireland
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Planning and environment

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Mason Hayes & Curran LLP

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The planning and environment team at Mason Hayes & Curran LLP regularly advises clients on the environmental aspects of high-profile infrastructure projects under development in Ireland, including significant offshore and terrestrial projects, and stands out for its work in contributing to the country’s climate transition. Deirdre Nagle heads the team and her extensive expertise includes assisting clients with the planning and environmental side of major state infrastructure projects. Another notable contact is Jay Sattin, who assists with both contentious and non-contentious environmental and related matters.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘The planning and environment team at Mason Hayes & Curran have been a strong support. The team has been on hand to guide us through some complex issues, particularly in the areas of planning and zoning of residential land.'

  • ‘The team is very knowledgeable and responsive to requests about Irish law and EU law more broadly. They are particularly well versed in the environmental, health and safety space (EHS).’

  • ‘We appreciate their attention to detail, their responsiveness and flexibility when it comes to time-sensitive issues, and their breadth of knowledge about the EHS space.’

  • ‘The environment side of this practice has specific experience in e-commerce/product law, meaning they have an understanding of the current ESG/sustainability concerns that e-commerce clients are focused on. This specific experience can be hard to find, and is valued because the EU/national regulation in this area is changing quickly.’

  • ‘Deirdre Nagle and Jay Sattin are very prompt with providing their advice, but their promptness does not impact on the quality of their advice.’

  • ‘I have had the pleasure of working with MHC, and I am thoroughly impressed by their level of professionalism and expertise. They consistently demonstrate exceptional diligence and an unwavering attention to detail. What truly distinguishes Mason Hayes is their consistent availability and readiness to assist.'

  • 'Their team brings a wealth of experience, particularly in navigating the intricacies of the renewable energy sector.’

  • ‘I am thoroughly impressed with the exceptional professionalism of Grainne Tiernan and Deirdre Nagle. I had the privilege of working with them on two complex cases. Throughout the process, they provided invaluable expertise and clear guidance, helping us craft effective responses to challenging legal issues.'

Key clients

  • Uisce Eireann
  • EirGrid
  • SSE Renewables
  • FuturEnergy
  • Orsted
  • EDF Renewables

Work highlights

  • Acting for FuturEnergy Ireland in judicial review proceedings over the refusals for Croaghaun Windfarm and Cahermurphy Two Windfarms, which were conceded by the respondent, An Bord Pleanála, and the planning applications were remitted to be reconsidered.
  • Advising SSE on all aspects of the planning and foreshore consents, both onshore and offshore, which are required to build out the Arklow Bank Offshore Wind Farm.
  • Lead advisor for EirGrid on its strategic infrastructure development application for the 400 kV Kildare Meath transmission upgrade project.

Lawyers

Leading partners
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Practice head

The lawyer(s) leading their teams.

Deirdre Nagle

Other key lawyers

Jay Sattin, Grainne Tiernan