# Run Modelica
 - [\[source code\]](https://github.com/ladybug-tools/dragonfly-grasshopper/blob/master/dragonfly_grasshopper/src//DF%20Run%20Modelica.py)
Run a Modelica District Energy System (DES) through an annual simulation using OpenModelica inside a Docker image (via Docker Desktop).
Docker Dekstop can be downloaded at the following link:
### Inputs
* **modelica \[Required]**
A folder where all of the Modelica files of the District Energy System (DES) are written. These Modelica files can be created using the "DF Write Modelica DES" component.
* **run \[Required]**
Script variable Python
### Outputs
* **report**
Reports, errors, warnings, etc.
* **results**
A folder containing the results of the Modelica simulation.
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