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Data due for 12HW2-OP

Date and Time: Friday Dec 17, 2010 5:00
Type: NW Area Coordinator

Case Description

I.   Case Due Dates:
To Area Coordinator:     December 17, 2010
To Staff:     January 21, 2010

II.   Purpose:   Operating Case - To represent anticipated operating conditions with heavy flows from Northwest to California.

III.   Items to be Prepared:
From Case:                   2010-11 H3-OP Operating Case
Stability Data:                Master Dynamics File (1)
Significant Changes:   From Existing System

IV.   Loads: 100% of winter peak in the Northwest, 90-100% of winter peak elsewhere

V.    Time: Late afternoon (1600 to 1800 hours), winter conditions



Generation Hydro Thermal Renewable
Canada High -- --
Northwest High High --
Idaho/Montana Median High --
Colorado/Wyoming Low High --
Northern California Hydro Median -- --
Northern California Low Median --
Southern California Low Median --
Arizona/New Mexico Low Median --






Interchange** Condition Target* % Rating
Canada to Northwest Low 500 16%
Northwest to California  --  --  --
(COI/RATS) Heavy 3800 78%
(PDCi) Heavy 2500 81%
Path 15 S-N -- -- --
Wyoming/Idaho to Northwest -- -- --
Montana to Northwest Moderate 1400 64%
Utah/Colorado to Southwest Low 600 38%
Southwest to Calif. (EOR/WOR) Moderate 4000/5000 43%/47%
Intermountain to Adelanto DC Heavy 1850 96%
Midway to Vincent Heavy 2800 93%
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: Avista Corporation      Project: ColumbiaGrid     
Avista Corporation

"In ColumbiaGrid, we now have the ability to resolve the three fundamental transmission questions: What transmission facilities should be built? Who should build them? Who should pay for them? With ColumbiaGrid's independent staff and process to resolve disputes, we can answer these questions effectively and in a timely fashion to facilitate our region's new resource development needs."
~~ Jeff Schlect, Manager, Transmission Services, Avista