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Hi @hema,

I'm assuming you're talking about the eplusmap.csv file. If so I think it's actually the reverse, i.e. the value rows are printed in the file starting at y=0, which gives you a "flipped" array of illuminance values. The point coordinates of all the values are included in the eplusmap.csv file though, so you can determine what you're looking at. You may need to set up a template in Excel or whatever that remaps the values to their proper plan locations for plotting.