The inflation rate and currency conversion depend on the country you are looking at.

You can find the inflation rate and currency conversion in our power market's summary data for each long-term power market outlook and pull this from the "Macro assumptions" tab
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Example - For Italy,

You will find this information in the Italy Power Market Long-term outlook report

In this report, navigate to "Report Downloads" and download the excel spreadsheet

Navigate to the Macro assumptions tab

You'll then find the FX Rate as well as the inflation rate in this tab