Leatherneck Substation Project
Click on the image above for a detailed map.
Project Leatherneck is an upgrade to the electrical infrastructure at the Marine Corps Air Ground Combat Center, which will provide sufficient power for increased permanent party and training requirements. Southern California Edison (SCE) will construct a new substation (Leatherneck) aboard the Combat Center.
In order to connect the new Leatherneck Substation to the SCE grid, SCE will make improvements to the nearby Carodean and Hi Desert substations, which will also provide increased reliability benefits to SCE’s customers in the City of Twentynine Palms and adjacent unincorporated areas.
at-a-Glance
Project description
The proposed Leatherneck Substation Project would include the following:- Construction of a new 115/33kV substation (Leatherneck Substation) to be built aboard the Combat Center
- Upgrades to SCE’s existing Carodean Substation located on Two Mile Road and Lear Avenue
- Upgrades to Hi Desert Substation located near Dortin Place next to Highway 62
- Overbuilding* an existing 33kV line between Carodean Substation and the new Leatherneck Substation with a new 115kV subtransmission line (approximately 9 miles in length)
- Overbuilding* an existing 33kV line between Hi Desert Substation and the new Leatherneck Substation with a new 115kV subtransmission line (approximately 10.5 miles in length)
- The wood poles along both existing lines will be replaced with a combination of new lightweight and tubular steel poles to support the new 115kV line
*Overbuild: install a new circuit above existing facilities, which may require replacing existing poles with new poles along the same pole route.
Communities potentially affected
The City of Twentynine Palms and adjacent unincorporated areas
Project status
Pre-construction
Proposed in-service date: 4th quarter 2012
| 2nd Quarter 2011 | Filed project application with the California Public Utilities Commission (CPUC) |
| September 2011 | CPUC project approval |
| 4th Quarter 2011 | Begin construction |
Project Contact Information
If you have questions or comments about the project or would like to be added to the project mailing list, please contact:
For the City of Twentynine Palms
Lin Juniper
Region Manager
(760) 202-4288
lin.juniper@sce.com
For San Bernardino County
Beverly Powell
Region Manager
(909) 307-6742
Beverly.Powell@sce.com
Get Adobe® Reader
Print