Building Energy Software Tools
Formerly hosted by US Dept. of Energy    

SimulationX Green Building

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SimulationX Green Building is a flexible simulation environment for quick and reliable modeling, calculation and analysis of building and district energy systems. Power, heat and in particular coupled networks: fit generation capacity, transmission paths and storage accurately to various usage scenarios

Usage scenarios
1. Plan: Energy System Simulation with Green Building
2. Test: Testing Platform for PLC-control systems with Green Building toolchain
3. Improve: Energy Monitoring and Optimization with Green Building toolchain

Considering energy systems as a whole, electric vehicles will become an essential part: as an energy consumer, storage and source. Examine the influence of recuperation in your power grid. Use electric vehicle fleets as mobile energy storage and adjust the charging time to the available power. Likewise, charging stations with their own energy supply can be quickly and clearly modeled, simulated and analyzed with SimulationX.

Expertise Required: 

Basic knowledge in energy engineering. First experiences with Matlab/Simulink, Dymola, Modelica, SimulationX are beneficial.


Engineers, consultants, researchers, software/product developers, architects


Simulation X Green Building enables to integrate: building envelope parameters, weather data, HVAC system configuration, occupance behavior and usage scenarios, all ASCII files, basic parameters, Functional Mockup Units (FMUs), external objects and is open for any kind of input data.
BIM connectivity prepared.


Output data are ASCII and FMU. CapEx and running costs of different model variants can be generated over special interfaces.


SimulationX Green Building allows to work in a modular, flexible system simulation environment. Many existing models in the library are ready to be used or parameterized for individual tasks. Our team keep the libraries always state of the art and new technologies can be created from the scetch. Green Building is open to other simulation tool and BIM ready. Webbased simulation modeling as Saas and a variant generator for financial desicison making are available.

Major Capabilities: 
Whole Building Energy Simulation
HVAC System Selection and Sizing
Parametrics and Optimization
Building Type: 
Multi Family
Reduced for Non-Commercial/Academic Use
Free To Try
Help and Support: 
Free Email Support
Peer Support Forum
Free Chat/IM Support
Subscription Email Support
Third Party Support
Last Software Update: 
27 February 2018
Last Entry Update: 
19 September 2018
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