Crazy Horse Canyon switching station project was proposed in 2011 and completed in 2015. The project included construction and installation of a new switching station and associated facilities. The existing 115kV electrical lines were restructured but no new transmission lines were added.
The objective of the project was to improve transmission reliability by “allowing PG&E to quickly detect power outages” on the existing transmission lines. This also allowed PG&E to re-route power should routine or emergency outages occur.
TTR Substations built the “greenfield” substation on a hillside requiring these components:
More project information can be found here.