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CEN/ISO 13790 is the European Standard for algebraic annual and hourly energy consumption calculations (http://www.iso.org/iso/catalogue_detail.htm?csnumber=41974). OpenStudio has an implementation (not available via the UI yet) and there is also a spreadsheet version developed and maintained by Georgia Tech although I cannot find the link to it right now. @Ralph Muehleisen from ANL is a good contact for this methodology.

CEN/ISO 13790 is the European Standard for algebraic annual and hourly energy consumption calculations (http://www.iso.org/iso/catalogue_detail.htm?csnumber=41974). OpenStudio has an implementation (not available via the UI yet) and there is also a spreadsheet version developed and maintained by Georgia Tech although I cannot find the link to it right now. @Ralph Muehleisen from ANL is a good contact for this methodology.

Tools that generate detailed models from simplified inputs include the EnergyPlus Example File Generator (EEFG) which gives you an IDF file and the OpenStudio ModelMaker (http://modelmaker.nrel.gov/) which gives you an OSM. Speaking of OSM, you can programmatically generate an OSM model from high-level inputs using the API or collections of measures. The OpenStudio team is currently reimplementing DOE's commercial prototype buildings in this form.

DOE's Commercial Asset Score (http://buildingenergyscore.energy.gov/) creates OpenStudio models, but will not give them to you (yet). LBNL is putting together a Commercial Building Energy Saver counterpart to Home Energy Saver. That service will be up in the next 6-12 months. Not clear whether it will make the model available or not.

CEN/ISO 13790 is the European Standard for algebraic annual and hourly energy consumption calculations (http://www.iso.org/iso/catalogue_detail.htm?csnumber=41974). OpenStudio has an implementation (not available via the UI yet) and there is also a spreadsheet version developed and maintained by Georgia Tech although I cannot find the link to it right now. @Ralph Muehleisen from ANL is a good contact for this methodology.

Tools that generate detailed models from simplified inputs include the EnergyPlus Example File Generator (EEFG) which gives you an IDF file and the OpenStudio ModelMaker (http://modelmaker.nrel.gov/) which gives you an OSM. Speaking of OSM, you can programmatically generate an OSM model from high-level inputs using the API or collections of measures. The OpenStudio team is currently reimplementing DOE's commercial prototype buildings in this form.

DOE's Commercial Asset Score (http://buildingenergyscore.energy.gov/) creates OpenStudio models, but will not give them to you (yet). (Edit: 07/08/2015 it now allows you to download the OSM). LBNL is putting together a Commercial Building Energy Saver counterpart to Home Energy Saver. That service will be up in the next 6-12 months. Not clear whether it will make the model available or not.