Claire Dietz-Polte

Dr. Claire Dietz-Polte LL.M.

Baker McKenzie Rechtsanwaltsgesellschaft mbH von Rechtsanwälten und Steuerberatern


Dr. Claire Dietz-Polte is a Partner in Baker McKenzie's Public Law Practice and co-heads the German Energy & Infrastructure team. Claire started her career in the energy team of a leading law firm in 2011 and worked in the M&A/Energy & Infrastructure practice group of another major law firm from 2013 to 2016.

Practice Focus

Claire advises domestic and foreign enterprises, sponsors, banks and financial investors on M&A, joint ventures, projects and related financings in the energy and infrastructure sector. She has extensive expertise and experience advising on generation assets (renewables, gas, coal, nuclear), storages (battery, gas, oil) as well as networks (fibre, transmission and distribution).

Claire also advises on all stages of project development (particularly for renewable energy facilities, battery storage and data centers) from early-stage structuring to financing, and share or asset deal transactions to (Corporate) PPAs. Furthermore, Claire focuses on the implementation of projects and services agreements in the future mobility sector (e-mobility, micro-mobility). She is part of the Firm's Future Mobility Group. Claire's practice also covers commercial advice (e.g. energy and media supply agreements, infrastructure usage agreements) and regulatory advice (e.g. unbundling, third party access regimes, EEG surcharge reduction) in the energy & infrastructure sector.

Representative Legal Matters

  • Advised Vestas Group on the acquisition of a 25.1% minority stake in SOWITEC group GmbH.

  • Advised investors on the proposed acquisition of shareholdings in the offshore wind farms Gode Wind I and Arkona.

  • Advised Evonik with respect to energy law issues in connection with the sale of its methacrylate business to the financial investor Advent International.

  • Advised Kansai Electric Power on the participation in the NeuConnect consortium which will build, finance and operate the first interconnector between Germany and the UK, i.e. two submarine 500 kV HVDC-cables.

  • Advised a consortium of German banks, led by Bayerische Landesbank, and DTEK Renewables with respect to the ECA-backed financing of the construction of Primorska wind farm (200MW) in Zaporizhzhya region in Ukraine.

  • Advised Bayer with respect to energy law issues in connection with the sale of the industry park operator Currenta to Macquarie Infrastructure and Real Assets (MIRA).

  • Advised Infracapital, the infrastructure equity investment arm of M&G Prudential, on its investment in the CCNST Group (including the telecommunications network operator amplus AG), a leading provider of broadband services in Germany.

  • Advised investors on the proposed acquisition of the fiber network operators inexio group and GVG Glasfaser GmbH.

  • Advised Commerz Real Kapitalverwaltungsgesellschaft (KVG) on its acquisition of the wind farm Fläming (16.8 MW) as well as two wind farms in Rhineland-Palatinate and Saarland for its "CR Institutional Renewable Energies Fund".

  • Advised ALBA Group on joint ventures regarding its China business and its service segment with Techcent in an auction process.

Professional Associations and Memberships

  • German-American Lawyers' Association - Member


  • Germany (2011)


  • Fordham University School of Law (LL.M.) (2011)
  • State of Berlin (Second State Exam) (2010)
  • Humboldt University of Berlin (Doctor Iuris) (2009)
  • Free University of Berlin (First State Exam) (2006)


  • English
  • German
  • Co-author (with Holger Lutz), "Öffentliche Ladestationen - Wer sind die Aktuere und Zeitschrift für das Recht der Digitalen Wirtschaft," 2nd edition, Heft 1, January 2022

  • Co-author, "Unbundling of Grids," Electricity Grids: Legal and Economic Aspects, 2014

Firm Committee Memberships

  • EMEA Projects Steering Committee - Member
  • EMEA EMI Steering Committee - Member
  • Global Renewables Subcommittee - Member