CITY SCALE MODELING WITH OPENSTUDIO
Assessing the impact of energy efficiency technologies
at a district or city scale is of great interest to local
governments, real estate developers, utility companies,
and policymakers. This paper describes a flexible
framework that can be used to create and run district
and city scale building energy simulations. The
framework is built around the new OpenStudio City
Database (CityDB). Building footprints, building
height, building type, and other data can be imported
from public records or other sources. Missing data can
be inferred or assigned from a statistical sampling of
other datasets. Once all required data is available,
OpenStudio Measures are used to create starting point
energy models and to model energy efficiency
measures for each building. Together this framework
allows a user to pose several scenarios such as “what if
30% of the commercial retail buildings added rooftop
solar” or “what if all elementary schools converted to
ground source heat pumps” and then visualize the
impacts at a district or city scale. This paper focuses on
modeling existing building stock using public records.
However, the framework is capable of supporting the
evaluation of new construction, district systems, and the
use of proprietary data sources.
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