Senem Cilingiroglu


Senem has experience across several complex project development and construction mandates. 

Her experience includes acting for sponsors and lenders on transactions across the energy and infrastructure sectors, with particular expertise in new energy technologies, including green and blue hydrogen, nuclear power, renewable energy, midstream and downstream oil & gas, as well as road, port and airport projects.

Senem was recently seconded to NNB Generation Company where she assisted with a variety of projects, including Sizewell C.


Representative matters

The sponsor on the development and construction of the GBP22bn Xlinks Morocco–UK power interconnector project (including renewable generation).

The ECAs and lenders on the first of a kind utility-scale 1m+ tpa Helios green hydrogen and ammonia project (including renewable generation) in KSA, which incorporated the world’s first large-scale green ammonia offtake contract.

The sponsor on the development and financing of a blue hydrogen project, including UK’s hydrogen business model support with DESNZ, and hydrogen offtake and CO2 transport & storage network arrangements.

Sizewell C on the construction of the GBP22bn Sizewell C nuclear plant project in the UK.



A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.