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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 MGAmax and MGAmin folders in the case folder.