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Public-images-osm logo.svg power = sub_station
Forest Hill Substation.jpg
Power substation
Used on these elements
may be used on nodes
should not be used on ways
may be used on areas
use on relations unspecified
Status: unspecified

A substation is a used to step-up or step-down the voltage=* within a electrical power grid and generally linked to the rest of the network by one of more sets of power=lines and which may contains one or more power=transformers.

The power=station is now deprecated for those facility.

How to Map

Nodes can be used for small substations. Areas are better for larger ones using aerial photography to identify their extent. Substations can vary in size from small little buildings the size of a garden shed to much larger installations to size of many football fields.

Associated tags:

  • name=* The name of the facility
  • operator=* The name of the company operating the substation.
  • voltage=* The highest voltage of operation within the facility

New substation tagging scheme

A new tagging scheme for substations has been introduced to replace this tag, see power=substation. It is strongly recommended to use power=substation instead of power=sub_station when mapping substations.