Tag:substation=transition

substation = 
Description
Usually a fenced yard protecting the place where overhead power line goes underground. Show/edit corresponding data item.
Group: power
Used on these elements
should not be used on nodesshould not be used on waysmay be used on areas (and multipolygon relations)should not be used on relations (except multipolygon relations)
Useful combination
Status: approvedPage for proposal
More details at taginfo
Tools for this tag

A transition substation sometimes referred to as transition yard. This is not a real substation but a fenced-off area with cable terminals where underground cables connect to an overhead power line. It comprises no active components such as switches or transformers.

How to map

See guidelines from power=substation or pipeline=substation to get more information.

A fenced perimeter should be installed around the substation. If the cable terminals are located on the power tower itself or if the pieline goes underground (no fenced area on the ground) don't tag this as a substation. Use the attribute location:transition=yes on the tower or the pipeline junction node instead.

Examples

Photo Location Tagging Note
way 227956671
France 		power=substation
substation=transition
name=Portique 225kV de Chavanod
operator=RTE
voltage=225000
barrier=fence 		225 kV transition substation in the French countryside. Overhead power lines end on portals and connect to underground power cables.
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