I am not aware of any spreadsheets with the data you are looking for. You will probably have to do your own research and analysis to compile data from different sources.
One source of information about incentives in the United States is the
DSIRE website
.
As for breakeven points, you'll have to search the literature for this kind of analysis. For example,
here are search results for the keyword "breakeven" on the NREL Publications database
that gives some relevant results.
Best regards,
Paul.