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Running Modeling to Generate Alternatives with GenX

GenX includes a modeling to generate alternatives (MGA) package that can be used to automatically enumerate a diverse set of near cost-optimal solutions to electricity system planning problems. To use the MGA algorithm, user will need to perform the following tasks:

  1. Add a Resource_Type column in all the resource .csv files denoting the type of each technology.
  2. Add a MGA column in all the resource .csv files denoting the availability of the technology.
  3. Set the ModelingToGenerateAlternatives flag in the genx_settings.yml file to 1.
  4. Set the ModelingtoGenerateAlternativeSlack flag in the genx_settings.yml file to the desirable level of slack.
  5. Set the ModelingToGenerateAlternativesIterations flag to half the total number of desired solutions, as each iteration provides 2 solutions.
  6. Set the MGAAnnualGeneration flag in the genx_settings.yml file to the desired MGA formulation.
  7. Solve the model using Run.jl file.

Results from the MGA algorithm would be saved in MGA_max and MGA_min folders in the case folder.