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Data due for 15HA1-S

Date and Time: Friday Mar 25, 2011 5:00
Type: NW Area Coordinator

Case Description

I.   Case Due Dates:
To Area Coordinator:     March 25, 2011
To Staff:     April 29, 2011

II.   Purpose:   Scenario Case - To Stress Paths in the Southern Nevada/Arizona/New Mexico for the RAS/SPS Study (Clockwise Flow).

III.   Items to be Prepared:
From Case:                   15HS2 Base Case
Stability Data:                Master Dynamics File (1)
Significant Changes:   From Existing System

IV.   Loads: 35-45% of summer peak in Arizona, 65% of summer normal load conditions in S. Californ

V.    N/A



Generation Hydro Thermal Renewable
Canada -- -- --
Northwest -- -- --
Idaho/Montana -- -- --
Colorado/Wyoming -- -- --
Northern California Hydro -- N/A N/A
Northern California -- -- --
Southern California -- -- --
Arizona/New Mexico -- -- --






Interchange** Condition Target* % Rating
Canada to Northwest -- -- --
Northwest to California      
   (COI/RATS) -- -- --
   (PDCI) -- -- --
Path 15 S-N -- -- --
Wyoming/Idaho to Northwest -- -- --
Montana to Northwest -- -- --
Utah/Colorado to Southwest -- -- --
Southwest to Calif. (EOR/WOR) Heavy N-S/Heavy 8000/9000 86%/100%
Intermountain to Adelanto DC -- -- --
Midway to Vincent -- -- --
Path 45 (San Diego to CFE) -- -- --




*Actual flows within ± 10% of target are acceptable, but not to exceed the actual rating of the path.
**Targets may be altered as anticipated operting conditions become more clearly known. Renewables should be based onindividual entities' Renewable Portfolio Standard.

(Note) Where no target flows are specified actual scheduled transfers should be based on each areas load and generation (deficiency/surplus) balance and economical generation dispatch. The objective of the case should be kept in mind and schedules should be coordinated between areas prior to data submittal.
(1) Only Corrections to the MDF or new data for the MDF need be submitted.


Member: Tacoma Power      Project: ColumbiaGrid     
Tacoma Power

"As a charter member of ColumbiaGrid, Tacoma Power has observed the benefits for its customers of regional transmission planning. Engaging in the ColumbiaGrid collaborative transmission planning process has fostered diverse and innovative solutions. This open process for identifying and resolving transmission challenges has delivered cost-effective reliability to our entire region."
~~ William A. Gaines, Director of Utilities