The dataset contains data setup and results with parameters for the discount rate sensitivity analysis of the paper “Expansion Planning of the North Sea Offshore Grid: Simulation of Integrated Governance Constraints” journal article. It also contains results for the original case studies of the dataset:Gorenstein Dedecca, J. (João); Hakvoort, R.A. (Rudi); Herder, P.M. (Pauline) (2017) Governance of the Integrated North Sea Offshore Grid: Simulation of Expansion Planning Constraints. TU Delft. {https://doi.org/10.4121/uuid:24896490-09d8-43cb-aa9e-8cee97b3a353}