Difference in county level resolution from ReEDS

[trevorb1]

I had a user reach out with a question that @ktehranchi is probably better suited to answer! Please find below the question.

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While comparing data, I noticed that most states have more counties listed in ReEDS than in PyPSA. In the PyPSA config file, the simulations runs smoothly when I set clusters equal to the number of ReEDS counties, but only for Arizona, California, and Wyoming. For instance, in California, setting clusters = 58 matches the 58 counties in ReEDS and works perfectly. However, in Montana, the number of clusters needs to be reduced from 45 (ReEDS) to 38 for the simulation to run successfully. Any thoughts?

[ktehranchi]

Hmm I will look into this this upcoming week.