[Bldg-sim] Custom Weather Data into Energy Plus - Question on Validating Energy Models

deepa chandrashekaran creations.deepa at googlemail.com
Mon Apr 19 17:41:24 PDT 2010


Hayes,

You can first export the epw weather file to excel and change the values in
it. You can then use the "Weather Statistics and Conversion" utility tool
from EnergyPlus  to convert the excel file to the epw format..


Hope this helps..


Deepa Chandrashekaran, LEED AP
Master of Building Science 2010
University of Southern California



On Mon, Apr 19, 2010 at 4:32 PM, Hayes Zirnhelt <hzirnhelt at hotmail.com>wrote:
Hello,

Does anyone know how to enter custom weather data into the .epw weather
files that Energy Plus uses? I'm using DesignBuilder to run Energy Plus for
a research project on solar greenhouse assisted biogas digesters. I
originally modelled the greenhouse using a WYEC2 file, but I want to put in
recent data for solar radiation and outdoor air temperature obtained from
the test period so that I can assess the accuracy of the model. (I tried
downloading recent weather data from the energy plus website but that didn't
work).

Thanks for the help!

Hayes Zirnhelt
4th Year Integrated Engineering Student, UBC
604 222 9494
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