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Path Rating Catalog 2013 - Western Electricity Coordinating Council

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Revised December 2010<br />

II–1. Navajo Transmission Project<br />

(segment 1)<br />

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

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

Other<br />

Location:<br />

Definition:<br />

Northeastern Arizona/Northwestern New Mexico<br />

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

Line<br />

Metering Point<br />

DREP-Red Mesa East 500kV DREP 500 kV<br />

Transfer Limit: East to West: 1600MW<br />

West to East: Undefined<br />

Critical<br />

Disturbance<br />

that limits the<br />

transfer<br />

capability:<br />

When:<br />

The 1600 MW non-simultaneous rating of NTP 1 is due to the<br />

emergency rating of the Four Corners series capacitor for an outage of<br />

the DREP-Red Mesa East 500 kV line.<br />

The proposed transfer rating was tentatively determined in 2007 as<br />

described in the report Navajo Transmission Project (Segment 1) WECC<br />

Comprehensive Progress Report performed by APS for the Sithe Global.<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 Transfer<br />

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

Contact Person:<br />

Same as the WECC Reliability Criteria for Transmission System<br />

Planning and NERC/WECC Planning Standards.<br />

None.<br />

None.<br />

Exact allocation of rights have yet to be determined.<br />

Thomas Johns<br />

Sithe Global LLC<br />

Three Riverway, Suite 1100<br />

Houston, TX 77056<br />

(509) 926-3485<br />

(713) 499-1167 FAX<br />

johns@sitheglobal.com<br />

PART VI Item 1-259

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