Dr Marleen Rheker advises clients on energy law matters.

She has a special focus on renewable energy projects and commercial contracts in relation to renewable asset management.

Marleen studied law in Cologne and Madrid. Afterwards she worked as a research assistant at the Institute for Energy Law at the University of Cologne and earned her PhD on questions regarding the Renewable Energies Act levy. She completed her legal clerkship in Cologne with postings at the German Embassy in Lima and an international law firm in Düsseldorf. She joined Osborne Clarke in 2018.


Osborne Clarke advises Encavis on pay-as-nominated PPA with Allego, read more.


Osborne Clarke advises Obton on 600MW battery storage pipeline with Kyon Energy. Read more here.

G2 Venture Partners

Osborne Clarke has advised investor G2 Venture Partners on its investment in energy start-up 1KOMMA5°. Read more here

re:cap global investors

Osborne Clarke advises re:cap global investors on acquisition of photovoltaic portfolio from Vattenfall AG, read more

Next Kraftwerke

Next Kraftwerke and Osborne Clarke sucessfully challenge mixed-price procedure before OLG Düsseldorf, read more

Contact Marleen