Overview
Dr. Maximilian Uibeleisen focuses his practice on clients working around energy and infrastructure, with particular experience in advising corporates and financial investors with regard to the development and acquisition and sale of energy and infrastructure assets.
Max has a particular focus on the renewable energy sector, where he has advised for almost 20 years on a large number of project developments and transactions relating to all different kinds of renewables facilities (including offshore and onshore wind, solar, biomass, geothermal) as well as energy transition (e.g. green hydrogen and battery storage).
Next to this work in the energy sector, Maximilian frequently advises in other infrastructure sectors, including in the German motorway PPP sector, the chemicals sector and in relation to digital infrastructure assets.
Maximilian studied law at the universities of Tübingen, Münster and Berlin (Dr. iur.) and holds a master degree (LL.M.) from Nottingham Trent University. He was admitted to the German bar in 2006. He is the author of various German and international publications and is co-author of one of the leading German commentaries on energy law.
Results
Max advised:
- Octopus Energy on the Acquisition of MN projects
- ImWind Group on the Development and Financing of a Large Wind Farm in Hesse
- Aukera on the acquisition of a photovoltaic and battery storage project in Rhineland-Palatinate
- Aream Group on the formation of a joint venture with Eiffel Investment Group represented by the Eiffel Transition Infrastructure Fund
- DIF Capital Partners on the acquisition of a majority stake in ib Vogt GmbH*
- Ecuaflor Holding on the sale of its Germany onshore wind development business DunoAir Windpark Planung to Qualitas Energy*
- Octopus Energy on the acquisition of a 50% share in renewables developer Lintas Green GmbH*
- CommerzReal on a development cooperation with Elysium Solar for a suite of agri-PV projects and on acquiring a first agri-PV project with a size of ca. 50 MWp*
- Haspa Green on its acquisition of two windfarms from German developer UKA*
- Itochu/Citic Pacific on the acquisition of a 25% stake in German offshore wind farm Butendiek*
- Foresight Group on the acquisition of a biogas portfolio from German farming group Lindhorst*
- Green Investment Group (GIG) on the acquisition, further development and later sale of a large biomass CHP plant to Pearl Infrastructure*
- Vulcan Energy on the acquisition of a geothermal power plant for the production of green lithium from Pfalzwerke AG*
- Telxius on the EUR 1.5 billion Telefónica mobile tower acquisition*
- DIF Capital Partners and Aberdeen Standard Investments on the joint acquisition of tank farm operator UNITANK*
- Lenders to Vinci Concessions on the tender for “Deutschlandnetz Regional”, the roll out of fast EV-charging infrastructure alongside German regional roads*
*Matter handled prior to joining McDermott.
Recognitions
- Lexology Index, Thought-Leader in Germany: Energy Law
- Chambers Europe, Band 3 in Germany: Energy: Transactional, 2025
- JUVE Handbook of Commercial Law Firms, “Leading Names”: Transactions and Financing for Renewable Energies, 2024-2025
- JUVE Handbook of Commercial Law Firms, Recommended: Energy Law: Energy Sector: Deals / Financing / Projects and Regulation as well as Private Equity and Venture Capital: Private Equity Transactions, 2023-2025
- Handelsblatt/Best Lawyers™, Germany: Energy Law, Public Law and Public Private Partnership, 2020-2025
- Chamber Europe, Germany: “Maximilian Uibeleisen is very strong across the board and additionally is fun to work with.”; Maximilian Uibeleisen has a massive amount of experience, his diligence makes his work products precise and he is good at translating legal language into something comprehensive for clients.”; “He is a very strong and reliable partner.”, 2023-2024
- JUVE, “One of the Top 10 Leading Lawyers”: transaction-related Energy Law, 2024
- Who’s Who Legal, “Thought-Leader” in Germany: Energy Law
Credentials
Education
Nottingham Trent University, LL.M., 2011
Humboldt University Berlin, Dr. iur., 2004
Admissions
Germany
Languages
German
English
