Optimisation code and dataset

This optimisation model was created for the projection of cost-minimised green steel production using the green-hydrogen based direct reduction route for ironmaking, followed by the electric arc furnace for steelmaking. The entire production system is energised using 100% solar and/or onshore wind. A captive mine is utilised. The model was implemented in GAMS. The following files are included in the sharing:

• GAMSmodel_greenH2-DRI-EAF_captiveore.gms: The GAMS code to optimise the system for a combination of 3 installation years and 3 levels of scrap. It can be viewed in a text editor but needs the GAMS software to run.
• Var_ucost.csv: Input file to the model, containing cost data.
• 4a_China_North_2017.csv: an exemplar renewable data input file to the model, which is for a given region and a given year of renewable energy data.