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Path Rating Catalog 2013 - Western Electricity Coordinating Council

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II-9. IID - SCE<br />

March <strong>2013</strong><br />

Accepted <strong>Rating</strong><br />

Existing <strong>Rating</strong><br />

Other<br />

Location:<br />

Definition:<br />

Transfer Limit:<br />

Critical<br />

Disturbance<br />

that limits the<br />

transfer<br />

capability:<br />

Riverside County, California<br />

Sum of the flows on the following transmission lines:<br />

Line<br />

Metered End<br />

Mirage-Ramon 230 kV<br />

Mirage 230 kV<br />

Mirage-Coachella Valley 230 kV Mirage 230 kV<br />

East to West: 1500 MW<br />

West to East: Not rated<br />

<strong>Path</strong> 42 is limited by resources in IID, which allows a transfer capability up to<br />

1500 MW in the east to west direction.<br />

When: Phase II status achieved on April 3, 2012.<br />

System<br />

Conditions:<br />

Study Criteria:<br />

Remedial<br />

Actions<br />

Required:<br />

Formal<br />

Operating<br />

Procedure:<br />

Allocation:<br />

Interaction<br />

w/Other<br />

Transfer <strong>Path</strong>s:<br />

Contact Person:<br />

The 1500 MW rating is valid at all times. Flows on this transfer path have<br />

historically been east to west due to the presence of a number of QFs in the IID<br />

service territory delivering power to SCE.<br />

WECC, SCE<br />

Remedial actions are required to achieve the rated transfer capability. Following<br />

an outage, particularly those between IID’s Coachella Valley substation and<br />

SCE’s Devers substation, all overloaded lines and transformers must have their<br />

loading reduced to mitigate overloaded elements. This is accomplished by<br />

lowering local generation in IID’s system.<br />

None<br />

SCE, IID<br />

None<br />

Steven E. Mavis<br />

Southern California Edison<br />

Three Innovation Way<br />

Pomona, CA 91768<br />

(909) 274-1587<br />

(909) 274-1601 - fax<br />

steven.mavis@sce.com<br />

David L. Barajas<br />

Imperial Irrigation District<br />

P. O. Box 937<br />

333 E. Barioni Blvd.<br />

Imperial, CA 92251-0937<br />

(760) 482-3450<br />

(760) 339-9297 - fax<br />

dlbarajas@iid.com<br />

PART VI Item 1-273

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