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Stella Mavrommati
Senior Associate

Stella Mavrommati

Senior Associate (New York Qualified)

London, United Kingdom
Languages
  • Greek
  • English
  • French

Stella is a Senior Associate in the Energy & Climate Change team in London specialising in energy transactions and related regulatory matters in the clean energy sector. She advises energy companies, developers, investors and large energy users on power projects, power offtake agreements and energy regulation requirements. Over the last years she has worked extensively on corporate PPAs for renewable, nuclear and green hydrogen projects, as well as revenue contracts, including tolling agreements for battery storage projects across the UK and the EU.

Awards & Recognitions
01 –
  • Quote
    "Dalia Majumder-Russell and Stella Mavrommati are simply outstanding. I've come to rely on their legal and industry knowledge, as well as their close collaboration and project management skills, to help me juggle a heavy and evolving workload. They are highly skilled and knowledgeable advisors and negotiators and are indispensable members of our extended legal team."
    Legal 500, 2026

Relevant experience

  • A confidential big tech company on corporate PPAs for projects in the EU and the UK.
  • A confidential big tech company on corporate PPAs for projects in the EU, and on relevant regulatory issues, including the process to transfer and export guarantees of origin.
  • Rezolv and Low Carbon on stacked corporate PPAs for a windfarm in Romania, documented under bespoke PPAs, ISDA and EFET.
  • Various developers on tolling agreements for battery storage assets in Great Britain.
  • Octopus Energy Limited on regulatory issues pertaining to the takeover of Bulb Energy, including on energy transfer scheme requirements and power purchase arrangements.
  • Various generators and large energy users on the rollout of revenue caps measures across Europe and their impact on PPAs.

Education

  • 2018, LLM, Cornell University Law School, USA.
  • 2015, LLB, University of Athens Law School, Greece.
Practice Areas
Subsidy control / EU state aid Competition and Cartel Investigations
sectors
Energy & Climate Change Energy & Mining

Insights by Stella

See all Insights
Publication United Kingdom

Decarbonisation of corporates

02 Jul 2025 1 min read
Event United Kingdom

CEE Energy Conference: Unlocking Opportunities in PPAs & Energy Storage

08 Oct 2024
Legal Update United Kingdom

EU reform of electricity market design: the Commission's proposals

13 Apr 2023 14 min read
Legal Update United Kingdom

EU reform of electricity market design: The Commission's proposed reform of the REMIT Framework

30 Mar 2023 12 min read
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