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If I'm not mistaken, it all depends on your weather data. If you are using EPWs from EnergyPlus or any similar database, they normally use data averaged from the last 10-15 years, depending on the source.

If you are interested on simulating your building for the specific climatic conditions of 2018, in your location, then you should look into AMY - Actual Meteorological Year, and get an EPW that represents this 2018 for your location. There is a very useful topic regarding AMY in this forum already.

If I'm not mistaken, it all depends on your weather data. If you are using EPWs from EnergyPlus or any similar database, they normally use data averaged from the last 10-15 years, depending on the source.

If you are interested on simulating your building for the specific climatic conditions of 2018, in your location, then you should probably look into AMY - Actual Meteorological Year, and get an EPW that represents this 2018 for your location. There is a very useful topic regarding AMY in this forum already.