Here are the Building Technologies Office's most recent projects in the area of software tools. See also past projects.
August 28, 2014
EnergyPlus
EnergyPlus is DOE's open-source state-of-the-art whole building energy simulation engine.
November 16, 2018
EnergyPlus 10X
A team led by LBNL and ORNL is undertaking a three-year effort to reduce EnergyPlus execution time by a factor of 10!
August 28, 2014
OpenStudio
OpenStudio is an open-source software development kit (SDK) for energy modeling with EnergyPlus.
October 7, 2014
Radiance
Radiance is a set of open-source lighting simulation tools capable of accurately calculating lighting metrics and rendering photorealistic scenes.
July 24, 2023
ResStock Core
Lead Performer: National Renewable Energy Laboratory – Golden, CO
October 8, 2014
Spawn-of-EnergyPlus (Spawn)
Spawn is a next-generation BEM-controls engine based on open-standards for co-simulation (FMI) and equation-based modeling (Modelica).