Path Rating Catalog 2013 - Western Electricity Coordinating Council

41. Sylmar to SCE
Revised February 2005
Accepted Rating
Existing Rating
Other
Location:
Definition:
Transfer Limit:
Critical
Disturbance
that limits the
transfer
capability:
When:
System
Conditions:
Study Criteria:
Remedial
Actions
Required:
Formal
Operating
Procedure:
Allocation:
Interaction
w/Other
Transfer Paths:
Contact Person:
Los Angeles County, California
Flows on the three 220/230 kV transformer banks at Sylmar switching
station. Metered at LDWP side of the banks.
North to South: 1600 MW (non-simultaneous)
South to North: 1600 MW (non-simultaneous)
Transfer limit based on the emergency thermal rating of the two existing
transformers (800 MW each) for the loss of the third transformer.
The rating was approved by letter dated May 24, 2004 subsequent to WECC
approval of the Comprehensive Progress Report titled Sylmar to SCE – Path
41 Upgrade Rating Report submitted on April 23, 2004.
North to South flows (LDWP to SCE) are typical during heavy summer
conditions with imports from the Northwest into southern California through
the Pacific DC intertie.
South to North flows (SCE to LDWP) occur during light winter, South to
North PDCI flows.
WECC, LDWP, SCE
None
None
The transformer capability of the path is divided between:
PG&E CDWR City of Anaheim
SCE LDWP City of Riverside
SDGE City of Pasadena
None
Steven E. Mavis
Southern California Edison
Three Innovation Way
Pomona, CA 91768
(909) 274-1587
(909) 274-1601 - fax
steven.mavis@sce.com
John Burnett
Los Angeles Dept. Of Water &
Power
P. O. Box 111, Room 1246
111 N. Hope Street
Los Angeles, CA 90051
(213) 367-1744
(213) 367-5132
john.burnett@ladwp.com
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