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SCG Members

AESOAlberta Electric

System Operator

BCTCBritish Columbia

Transmission Corporation

Preparing a “Foundational Transmission Project List” that WECC can use a starting point for their 10-year plan.

The “Foundational Transmission Project List” will not provide sufficient transmission additions for the 10-year time frame

WECC will build on SCG foundation to meet resource policy goals and mitigate congestion

WECC may also remove or change projects that are in the SCG list

The SCG will also provide a list of “Potential” Projects that WECC can utilize to integrate resources and mitigate congestion

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Draft Document - Ver. 4.0, May 11, 2010

CAISO

•CAISO02- Sunrise

•CAISO03- Midpoint (CA)-Devers

SSPG

•SSPG01- SWIP

SSPG03- SNIP (Phase 2)

•SSPG06 – TCP Harry Allen - Northwest

•SSPG07 – TCP Northwest – Armagosa

•SSPG09 – SWIP South

SWAT

•SWAT01-PV-NG#2

•SWAT06- Pinal Central – Tortolita

•SWAT07- Southeast Valley (SEV)

•SWAT08 – PV - Morgan

CCPG

•CCPG02 – Pawnee – Smoky Hill

•CCPG03 – Waterton- Midway

•CCPG04 – San Luis Valley

Hemingway

NTTG01

NTTG02

Populus

NTTG03

NTTG01

NTTG03

Boardman

Bethel

NTTG06

Townsend

NTTG07

WyomingWyoming

MontanaMontana

IdahoIdahoOregonOregon

WashingtonWashington

ColoradoColoradoUtahUtah

NevadaNevadaCalifornia

California

ArizonaArizona

New MexicoNew Mexico

Comanche

Waterton

Midway

Smoky Hill

PawneeCCPG02

CCPG03

CCPG04SLV

Palo Verde

SWAT01

North Gila II Pinal Central

Midpoint

TortolitaSWAT06

BrowningSWAT07

FOUNDATIONAL PROJECTS BY 2020FOUNDATIONAL PROJECTS BY 2020 NTTG

•NTTG01 –Gateway South Phase 1

•NTTG02 – Gateway Central Phase 1

•NTTG03 – Gateway West Phase 1

•NTTG05 – Hemingway – Boardman

•NTTG06 – Cascade Crossing

•NTTG07- Mountain States Intertie

CG

•CG01 – I-5 Corridor

•CG02- West McNary

•CG03 - Big Eddy – Knight

•CG04 – Little Goose Area Reinforcement

BCTC

•BCTC01- Nicola – Meridian

•BCTC03- BC-US Intertie

Alberta AESO

•AESO03 1202L Conversion

•AESO04 Heartland

•AESO05 West HVDC

•AESO06 East HVDC

•AESO07 Fort McMurray - East Line

•AESO08 Fort McMurray - West Line

Mona

Aeolus

SSPG01

Harry Allen

NTTG05

Eldorado

SSPG03

SSPG06

Northwest

Amargosa

Devers

CAISO03ImperialPeňesquitos

CAISO02

SSPG07

Midpoint (CA)MorganSWAT08

McNary

John Day

Sigurd

Red Butte

Bridger

Castle Rock

TroutdaleCG01 CG02

NicolaMeridian

BCTC01

OquirrhLimber

Terminal

Coyote Spgs

Legend

500 kV Single Circuit Line345 kV Single Circuit Line500 kV Double Circuit Line345 kV Double Circuit LineDC Circuit (various voltage)Termination SubstationsIntermediate Substations

(1) Map does not reflect 230kV lines that are included in the Foundational Transmission Project List.(2) Internal reinforcements projects not shown for clarity.(3) Lines shown are for illustrative purposes only and may not reflect final line routing.

AESO04

AESO05

AESO06

AESO03

AESO08AESO07

Langdon

AlbertaAlberta

Heartland

Ellerslie

West Brooks

Genesee

NTTG014

MidColumbia

Ingledow

CusterBCTC03

DRAFT

CAISO

•CAISO01- C3ET

SSPG

•SSPG04 – Harry Allen – Mead (line #2)

•SSPG05 – Mead- Eldorado

•SSPG08- Blackhawk - Armagosa

SWAT

•SWAT02-PV-Colo. River

•SWAT03- Navajo Transmission Project

•SWAT04- SunZia

•SWAT05- High Plains Express

CCPG

•CCPG01 – WCI

•CCPG05 – Lamar Front Range

•CCPG07 – Pawnee - Daniels Park

•CCPG08 – Pawnee – Story

Hemmingway

NTTG01

Crystal

Populus WindstarCaptain Jack

NTTG01

NTTG04

Townsend

WyomingWyoming

MontanaMontana

IdahoIdahoOregonOregon

WashingtonWashington

ColoradoColorado

UtahUtah

NevadaNevada

California

California

ArizonaArizona

New MexicoNew Mexico

Daniels Park

Missile Site

Pawnee

Palo Verde

SWAT02

Pinal Central

Midpoint

Springerville

POTENTIAL PROJECTS BY 2020POTENTIAL PROJECTS BY 2020NTTG

•NTTG01 –Gateway South Phase 2

•NTTG02 – Gateway Central Phase 2

•NTTG03 – Gateway West Phase 2

•NTTG04 – Hemingway-Captain Jack

•NTTG08 – Chinook

•NTTG09 – Zephyr

•NTTG10 – Overland

•NTTG11 – Transwest Express

•NTTG13 – Colstrip Upgrade

CG

•CG05 – Juan De Fuca Cable #1

•CG06 – Juan De Fuca Cable #2

•CG07 – West Coast Cable

BCTC

•BCTC02- CNC including Devils Gap

Alberta ESO

•AESO02- Northern Lights

•AESO09 – Edmonton - CalgaryMona

Aeolus

Marketplace

Amargosa

CAISO01

Colo. River

Buckley

Sigurd

Red Butte

Bridger

CG07

Selkirk

BCTC02

LRS

Wray

Boone

Lamar

Vilas

Gladstone

BlackwaterCorona

SunZia East

SunZia Midpoint

Comanche

Blackhawk

SWAT04

SWAT05

SWAT03

ShiprockRed Mesa

Moenkopi

StoryCCPG 07

CCPG 05

CCPG 01

CCPG 08

SSPG08

Midway

Gregg

BCTC02

Edmonton

Calgary

AESO02

NTTG03

Collinsville

Eldorado

NTTG08

NTTG09

NTTG10

NTTG11Limber

Terminal

NTTG02

Mead

Harry Allen

SWAT05

(1) Map does not reflect 230kV lines that are included in the Foundational Transmission Project List.(2) Internal reinforcements projects not shown for clarity.(3) Lines shown are for illustrative purposes only and may not reflect final line routing.

Draft Document - Ver. 4.0, May 11, 2010

AESO09

CG05 CG06

MidColumbia

NTTG013

DRAFT

Legend

500 kV Single Circuit Line345 kV Single Circuit Line500 kV Double Circuit Line345 kV Double Circuit LineDC Circuit (various voltage)Termination SubstationsIntermediate Substations

Screened projects for regional significance based on voltage level• All proposed 500 kV and higher projects• 345 kV projects unless the project is

deemed not to be a backbone facility • Projects above 200 kV that are deemed to

be backbone facilities Applied criteria to screened projects

to assess the level of certainty of project construction

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Must Meet at least one of the following:1) Sponsor is required to build project to

reliably serve load or to meet firm commitments for transmission service

2) Project is necessary to integrate WECC LRS Class 0 or Class 1 resources

3) Project sponsor(s) has a firm commitment to fund project construction.

SCG is currently using eleven indicators, including: Are major equipment orders placed? Is permitting actively underway or completed? Are there executed project participation contracts?

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