> For the complete documentation index, see [llms.txt](https://docs.ladybug.tools/dragonfly-primer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ladybug.tools/dragonfly-primer/components/4_electricgrid/substation.md).

# Substation

![](/files/-Ma9gM6qDS8yecEcHjTM)

![](/files/-MihrajEBWJrraoeQUDf) - [\[source code\]](https://github.com/ladybug-tools/dragonfly-grasshopper/blob/master/dragonfly_grasshopper/src//DF%20Substation.py)

Create an OpenDSS Substation from its footprint geometry (horizontal Rhino surfaces).

## Inputs

* **geo \[Required]**

  A horizontal Rhino surface representing a footprint to be converted into a Substation.&#x20;
* **name**

  Text to set the name for the Substation, which will also be incorporated into unique Substation identifier.  If the name is not provided, a random one will be assigned.&#x20;

## Outputs

* **substation**

  A Dragonfly Substation object that can be used within an Electrical Network.&#x20;
