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OpenStudio Calibration

asked 2016-01-12 12:42:55 -0600

Dustin gravatar image

Hey all,

Have a question about the OpenStudio calibration tool. Just trying to figure out what variable it uses for the electricity consumption comparison. The only reason why I am asking this is because I am getting different values between the electricity for the various month compared to the number I would get from the E+ output file when I run it through E+.

Might be how I am calculating the kWh from the E+ output file. I just output "Whole Building:Facility Total Electric Demand Power W" and then multiple that value by the number of hours in the month. That should then be the same as the values that appear in the calibration tab of OpenStudio. But they are different.

Any advice on why that is or am I looking at the wrong value.

Thanks

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answered 2016-01-12 23:34:02 -0600

OpenStudio reports out the electricity use as a timeseries with daily frequency and then sums up the usage over the utility bill range, here is the code.

Facility Total Electric Demand Power is probably the peak demand over the hour (which is calculated at the simulation timestep) and not the average over the hour so it is likely not appropriate to multiply this value by the number of hours.

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Asked: 2016-01-12 12:42:55 -0600

Seen: 2,497 times

Last updated: Jan 12 '16