Marius Siebecker advises energy companies and project developers on the planning and implementation of their projects with a particular focus on renewable energies. Marius also advises ministries on the regulatory framework for energy generation plants using renewable energy sources.

Projects

  • Iberdrola Renovables
    Advising on the acquisition, planning and construction of offshore wind farms in the German Exclusive Economic Zone ( OWP Baltic Eagle and OWP Windanker)
  • Wien Energie GmbH
    Advising Austrian-based energy provider Wien Energie GmbH on its strategic acquisition of the ImWind Group
  • Ministerium für Wirtschaft, Industrie, Klimaschutz und Energie des Landes Nordrhein-Westfalen
    Advising on the regulatory legal framework of the onshore wind repowering
  • SL Nature Energy Group
    Providing the group with ongoing advice and representing it in permit procedures objection proceedings and legal actions relating to onshore wind farms
  • Swisspower Renewables
    Advising on the acquisition, planning and construction of wind farms in Germany

Career

Studied law at the Johannes Gutenberg University Mainz
Research assistant at a public law chair at the Johannes Gutenberg University Mainz
Legal clerkship at the Higher Regional Court Koblenz with stations at the Federal Ministry of the Interior and Community and at an international law firm in the field of energy & infrastructure
At Noerr since 2023
Admitted to the Frankfurt Chamber of Lawyers

Publications

  • The implementation of the Renewable Energy Directive III in the field of offshore wind energy and offshore grid connection
    Comprehensive review of the implementation of the Renewable Energy Directive III in Germany with focus on offshore wind and offshore grid connection, ZNER 2026, 203

Well
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