Well sure, this is complicated stuff! But that seems to show that solar [[as long as we are talking about utility power plants not home installations) is generally cheapest, with wind and gas combined cycle [[TBH I'm not sure what that is!) giving it a good run for the money.
Also note that the data you posted is significantly older. The graph I showed indicates that solar overtaking wind as the cheapest source was a new development in 2020. Your report is from 2018 [[and is likely based on data from previous years).
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