Tag:power=sub_station

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Public-images-osm logo.svg power = sub_station
Osm element tag.svg
Description
Deprecated tag for substation Edit or translate this description.
Group: Power
Used on these elements
may be used on nodesshould not be used on waysmay be used on areasshould not be used on relations
Useful combination
Wikidata
Status: deprecated

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

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.

However, please take note of the following.

First of all: Do not perform mass retagging of power=sub_station objects (this would be considered a mechanical edit). Secondly, don't retag substations just for the purpose of 'correcting' the tag but take the opportunity to review the object and add useful information. In particular it is very desirable to add the voltage=* and/or the substation=* type if those tags are missing. When known also add the substation name and/or operator. For larger substations covered by good quality aerial imagery you may also consider mapping internal components such as busbars, bays and transformers.