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Michael L. O'Neill

Mike O'Neill is an associate in the firm's Boston office and develops practical solutions for clients regarding energy, infrastructure, and natural resources issues. His practice’s primary focus is the growing fusion energy sector. Mike advises private fusion companies and investors on complex regulatory and policy developments that affect this emerging industry in the United States and around the world. His broader practice deals with energy and environmental issues, particularly with respect to natural gas and oil, liquefied natural gas (LNG), pipeline safety and compliance, natural gas tariffs, regulatory and commercial aspects of renewable energy and energy storage projects, and commodities regulation. Mike has wide experience practicing before the Federal Energy Regulatory Commission (FERC), the Pipeline & Hazardous Material Safety Administration (PHMSA), and the Nuclear Regulatory Commission (NRC).

Mike also provides advice regarding litigation matters in federal and state court, as well as other regulatory proceedings. He has extensive experience supporting transactions across the global LNG value chain and the North American natural gas and renewable energy sectors, especially power purchase agreements involving renewable energy and related products. In 2020-21, Mike completed a secondment to the in-house legal team of one of the world’s largest renewable energy purchasers to support renewable energy procurement.

Mike regularly contributes to K&L Gates' thought leadership in the energy and environmental space by authoring analyses of energy legal topics and frequently co-authors posts on the Global Power Law & Policy blog.

Prior to joining K&L Gates, Mike worked for two years as an attorney and law clerk at a national energy and environment law firm and five years as an Energy Policy Analyst at an international law firm.

  • Member, Energy Bar Association
  • Member, Maryland State Bar Association
  • Member, Young Professionals in Energy
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