WECC Phase 1 Rating Process Coordinated Planning and Technical Studies .


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WECC Phase 1 Rating Process Coordinated Planning and Technical Studies. January 24, 2008 Portland Oregon. Meeting Background and Purpose. Frank Afranji, PGE. Introduction & Background. Purpose of the meeting, 8-significant proposed projects Projects requested WECC Phase 1 Rating
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WECC Phase 1 Rating Process Coordinated Planning and Technical Studies January 24, 2008 Portland Oregon Order 2004 Sensitive

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Meeting Background and Purpose Frank Afranji, PGE

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Introduction & Background Purpose of the meeting, 8-critical proposed ventures Projects asked for WECC Phase 1 Rating Only start of engagement process Goal is fruition of Phase 1 Rating by August 2008 We mean to continue plan Each venture support will present an individual Project Phase 1 Rating report. Effective undertakings entering Phase 2 together

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Goals of Coordination Develop thoughts to guarantee vigorous recommendations conveyed to sub-provincial & local engagement Avoid duplication Ensure productive utilization of assets Optimize current T-extension arranges from business and also specialized perspectives Open and straightforward FERC Order 890 consistent arranging

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General Plan for WECC Phase 1 Coordination Ben Morris, PG&E

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Objectives Coordinate the WECC Phase 1 Rating (non Simultaneous) concentrates on for activities that meet the accompanying criteria: Currently in- - or impending in- - Phase 1 Completion of Phase 1 in August 2008 Agree to utilizing a typical strategy Projects that meet such Criteria include: Gateway extend – PacifiCorp West of McNary Project - BPA Idaho-Northwest - Idaho Power & Others I-5 Corridor Reinforcement - BPA Southern Crossing Project - Portland General Electric Canada to Northern California Project – PG&E, PacifiCorp, Avista, TANC and BCTC . Canada to Northern California Project - Avista Interconnection NorthernLights, TransCanada Others Coordination encouraged by the Phase 1 Technical Study Coordination Group

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Legend: PG&E (AC or DC) PacifiCorp (500 or 230kV) PGE (500kV) Idaho Power (500kV) Avista Corp (230kV) BPA (500 kV) New Transmission Projects Converging at Boardman Planned Operation: 2010 – 2015 Selkirk Sub Avista Corp Spokane Area Project 500kV sub and 230kV neighborhood BPA West of McNary Generation Integration Project Spokane Area Sub PG&E et. al CNC Project Double 500kV AC BPA I-5 Corridor Station X Station Z PGE Southern Crossing Single 500kV AC McNary Big Eddy PacifiCorp Walla 230kV AC Boardman Hub PG&E, et. al CNC Project Bi Pole HVDC Idaho Power Single 500kV AC PacifiCorp/Idaho Gateway West Double 500kV AC Hemingway Midpoint Capt. Jack Borah PacifiCorp Gateway West Single 500kV AC To Tesla

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Transmission Projects in- - or impending in- - WECC Phase 1 Planned Operation: 2010 – 2015

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Project Sponsor Activities (for every Phase 1 Project) Develop Study Plan Study Assumptions: Identify the area and limit of new incremental era to be gotten to with the proposed extend List Major ways to be checked and their objective streams Identify the tasks in the WECC Phase II Rating procedure to be displayed in the cases Set of basic possibilities to be contemplated Develop Base Cases: Use 2006 or 2007 arrangement WECC base cases for the period 2010-2015 Seasonal cases, as required: Summer Peak North-South Flow Winter Peak South-North Flow Light Spring North-South West-East or East-West Review and change Load and Generation adjust in the cases as fundamental and record Path streams

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Project Sponsor Activities Conduct Studies without and with Project Power stream Transient Stability Voltage Stability Conduct affectability concentrates on indicating connection with other Phase 1 ventures, among others Communication of Study Progress and Results Monthly Status report Open Monthly Meetings/Teleconferences of the Phase 1 Participation Joint Big Tent gatherings

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Phase 1 Technical Study Coordination Group (TSCG) Group framed to build up predictable presumptions/strategies for Project Sponsors give criticism on the Project Sponsor think about work Participation Representatives from undertakings in Phase 1 Other partners with enthusiasm for giving input on specialized studies If intrigued by taking part, contact Ben Morris BEM8@pge.com Activities Develop steady Assumptions, Switch Decks, Base Cases Review and Comment on Project Sponsor Study Plans, Assumptions, Study Results and Comprehensive Progress Report Attend month to month gatherings or telephone calls through August 2008 Meeting February 2008

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Proposed Schedule for Coordinated Studies Announce Phase 1 and Form Study Teams Dec 2007 – Jan 2008 Joint Big Tent Meeting Jan 24, 2008 Develop Assumptions (bolster from TSCG*) Feb 2008 Prepare and Finalize Project Study Plans (bolster from TSCG*) Feb 2008 Prepare Base Cases (bolster from TSCG*) Mar 2008 Pre-Project Studies April 2008 Technical Studies with Planned Project Projects April-Jun 2008 Joint Big Tent Meeting Jun 2008 Draft Comprehensive Progress Reports Jun - Jul 2008 Review of Comprehensive Progress Reports (TSCG Activity*) Jul - Aug 2008 Joint Big Tent Meeting Aug 2008 Submit Final Reports to PCC and TSS Aug 2008 * Technical Study Coordination Committee gatherings will happen month to month from February-August 2008

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Project Presentations

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West of McNary Generation Integration Kyle Kohne, BPA

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Major Project Elements Part One: Construct another McNary – John Day 500-kV transmission line. Section Two: Construct another 500-kV substation ("Station Z") close Goldendale, WA, and a 500-kV line from Station Z to BPA\'s Big Eddy substation close to The Dalles, OR. Expected rating (TTC) increment: Depending on where new era is coordinated. West of McNary: 2850MW to 4500MW West of Slatt: 4100MW to 5500MW West of John Day: 2440MW to 3450MW Anticipated Operating Date: Part One: 2011 Part Two: 2013 Project Website: http://www.columbiagrid.org/mcnary-overview.cfm Project Overview

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Objectives The target of this venture is to empower BPA to serve indicate point transmission asks for over different congested east-west transmission ways along the Washington – Oregon outskirt. It would likewise empower BPA to incorporate extra twist era in Eastern Washington and Eastern Oregon. Increment framework unwavering quality to serve Portland zone stack.

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Background West of McNary Generation Integration Project Regional Planning Compliance Report submitted to WECC Planning Coordination Council on December 31, 2007. Control Flow and voltage strength considers have been finished. Transient soundness studies are in advance.

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Project Implementation Schedule McNary-John Day 500-kV Project will take around 3.5 years from begin to stimulation 0-0.5 year: Environmental Process 0.5-1 year: Material Procurement 1-3.5 year: Construction Big Eddy-Station Z 500-kV (incorporates Station Z) Project will take roughly 5 years from begin to empowerment 0-2 year: Environmental Process 2-2.5 year: Material Procurement 2.5-5 year: Construction

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I-5 Corridor Reinforcement Kendall Rydell, BPA 19

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Major Project Elements Construct another 500-kV Substation close Castle Rock, WA. Build up a 500 kV yard at the current Troutdale Substation in Troutdale, OR. Build another 500 kV transmission line between these substations (around 70 miles). Expected rating (TTC) increment: South of Allston: around 1300 MW Anticipated Operating Date: 2014 Project Website: http://www.columbiagrid.org/i-5-support overview.cfm Project Overview

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Objectives The targets of this venture are: To assuage clog along the I-5 hall transmission way south of Paul Substation and empower BPA to serve indicate point transmission benefit demands which affect this way. To empower BPA to coordinate extra new assets which are being arranged along the I-5 Corridor. Keep up solid support of developing burdens in Portland and region. Decrease reliance on existing RAS while keeping up transmission framework dependability.

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Background I-5 Corridor Reinforcement Project Regional Planning Compliance Report is drafted. Deadline for submittal to WECC Planning Coordination Council is February, 2008. Control Flow, Voltage Stability, and Transient Stability contemplates have been finished for the venture.

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Project Implementation Schedule I-5 Corridor Reinforcement Project will take roughly 6 years from begin to empowerment 0 - 3 year: Environmental Process/Design 3 - 6 year: Material Procurement and Construction

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Gateway West Idaho Power and PacifiCorp Joint Project Dave Angell, Idaho Power

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Conceptual Major Project Elements Eastern Wyoming - Two 500 kV AC circuits from Windstar, close Dave Johnston, to Jim Bridger Western Wyoming – Double circuit 500 kV AC from Jim Bridger to Populus, southern Idaho Southern Idaho – Two circuits of 500 kV AC from Populus to Hemingway, close Boise Potential rating: 3000 MW Operating Date: 2012/2014 Project Website: Project Overview http://www.idahopower.com/newsroom/projnews/Gateway/default.htm

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Objectives Connect asset focuses to load focuses (center point and talked idea) Transmission to estimated stack development regions Transmission to determined assets zones Relieve congested transmission ways Meet transmission necessities of Integrated Resource Plans (IRP) Satisfy OATI commitment for transmission benefit demands Provide transmission for era interconnection line

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Background Project created through Northern Tier Transmission Group (NTTG) Fast Track Project Process Milestones: NTTG Fast Track Process 1/1/2007 – 6/1/2007 Initiated Regional Planning 7/5/2007 Complete Regional Planning Report 1/31/2007 Initiate Phase 1 Rating Process 1/31/2007 Complete Phase 1 Comprehensive Planning Report 8/31/2007

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Proposed Schedule

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Idaho to Northwest (Hemingway Boardman) Dave Angell, Idaho Power

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Conceptual Major Project Elements Single 500 kV AC circuit from

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