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Path Rating Catalog 2013 - Western Electricity Coordinating Council

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II-4. Walla Walla – Mc Nary<br />

Added January <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 />

When:<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 />

Southern Washington<br />

Wallula – Mc Nary 230 kV line; Wallula – Hat Rock - Cold Springs – Mc<br />

Nary 230 kV line; metered at Mc Nary 230 kV<br />

800 MW east-to-west<br />

TBD in Phase 2 study.<br />

By letter dated February 2, 2010, WECC TSS Chair sent a letter to PCC and<br />

TSS stating that Walla Walla – Mc Nary had achieved Phase 2 status.<br />

The rating was studied under light spring conditions with all lines in service<br />

and would be applicable year round.<br />

WECC Reliability Criteria for Transmission System Planning<br />

For certain category C & D contingencies, RAS tripping of connected wind<br />

will be required.<br />

TBD in Phase 2 study.<br />

PacifiCorp: 800 MW East-to-West<br />

TBD in Phase 2 study.<br />

Larry Frick<br />

PacifiCorp, Transmission Planning<br />

Lloyd Center, Room 1800<br />

825 NE Multnomah Ave.<br />

Portland, OR 97232<br />

(503) 813-6236<br />

Larry.Frick@PacifiCorp.com<br />

PART VI Item 1-262

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