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Comments due for 11HS2-OP

Date and Time: Thursday Oct 14, 2010 5:00
Type: NW Area Coordinator

Case Description

I.   Case Due Dates:
To Area Coordinator:     August 13, 2010
To Staff:     September 17, 2010

II.   Purpose:   To represent anticipated operating conditions with heavy flows to California from the Northwest and moderate flows elsewhere.

III.   Items to be Prepared:
From Case:                   2010 HS3 Operating Case
Stability Data:               Master Dynamics File (1)
Significant Changes:      2010 HS3 Operating Case

IV.   Loads: 100% of summer peak

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



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






Interchange** Condition Target* % Rating
Canada to Northwest Heavy 2300 73%
Northwest to California      
    (COI/RATS) Heavy 4650 95%
    (PDCI) Heavy 2980 96%
Path 15 S-N -- -- --
Wyoming/Idaho to Northwest -- -- --
Montana to Northwest Moderate 1200 55%
Utah/Colorado to Southwest Light -- --
Southwest to Calif. (EOR/WOR) Moderate 3000/5800 37%/55%
Intermountain to Adelanto DC Heavy 1660 86%
Midway to Vincent Heavy 4000 100%




*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