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Transmission Project Sponsors Big Tent Meeting November 19, 2008 Portland, Oregon Welcome

Transmission Project Sponsors Big Tent Meeting November 19, 2008 Portland, Oregon Welcome Darrell Gerrard - PacifiCorp. Big Tent Meeting November 19, 2008 Embassy Suites Hotel – Portland, Oregon 9:00 a.m. – 12:00 noon Agenda. 9:00 Welcome – Darrell Gerrard

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Transmission Project Sponsors Big Tent Meeting November 19, 2008 Portland, Oregon Welcome

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  1. Transmission Project Sponsors Big Tent Meeting November 19, 2008 Portland, Oregon Welcome Darrell Gerrard - PacifiCorp Order 2004 Sensitive

  2. Big Tent MeetingNovember 19, 2008Embassy Suites Hotel – Portland, Oregon9:00 a.m. – 12:00 noonAgenda 9:00 Welcome – Darrell Gerrard Background from July 2008 Session Goals Supporting Coordination 9:15 TCWG Work Plan- What has been accomplished since July 2008 – Ben Morris 9:30 Individual Project Updates (By Project Sponsor) 11:30 Next Steps – Darrell Gerrard 11:45 Inputs and Commentary – Sponsor Panel Order 2004 Sensitive 2

  3. Order 2004 Sensitive Goals Supporting Coordination • Develop ideas to ensure robust proposals brought to sub-regional & regional engagement • Avoid duplication of study work and facilities constructed • Ensure efficient use of resources, siting, permitting, environmental • Regional view of transmission requirements necessary long term • NW Transmission Hub concept formulated • Optimize current expansion plans from commercial as well as technical views • Open and transparent FERC Order 890 compliant planning • Improved certainty of project Phase 2 ratings expected via WECC process

  4. Order 2004 Sensitive Background • Purpose: status update for several proposed projects significant to Northwest • All projects currently in or will be in WECC Phase 1 Rating Process • Began January 2008 with Transmission Coordinated Work Group (TCWG) • Goal is submission of Phase 1 reports in Q4 • Sponsors are reasonably on schedule • Each project sponsor will be submitting an individual Project Phase 1 Rating report to WECC • Expectations are that projects enter Phase 2 relatively close together in the fourth quarter of 2008 or Q1 2009

  5. WECC Phase 1 and Phase 2 Coordination Ben Morris - PG&E Consultant Order 2004 Sensitive 5

  6. Coordination A number of project sponsors are planning construction in the Northwest in the 2010-2015 period and the study work is being coordinated. Their projects have the following characteristics: Currently in (or soon to be in) WECC Phase 1 Rating process Planning to submit their Comprehensive Progress Reports in 4Q, 2008 and 1Q, 2009 Agree to use a common study methodology Projects that meet such characteristics include: Walla Walla-McNary (PacifiCorp) Hemingway-Captain Jack (PacifiCorp) West of McNary Project (BPA) I-5 Corridor Reinforcement BPA) Idaho-Northwest Project (Idaho Power and Others) Southern Crossing Project (PGE) Canada-Northwest-California (CNC) Project (PG&E and Others) CNC Project - Devil’s Gap Interconnection (Avista) Dry Creek-Coyote (Avista) Northern Lights Project (TransCanada) West Coast Cable (Sea Breeze) The project sponsors have formed the Transmission Coordination Work Group (TCWG). Order 2004 Sensitive 6

  7. New Transmission Projects Being Planned in Coordination Planned Operation: 2010 – 2015 Order 2004 Sensitive To Edmonton/Heartland Selkirk Sub BPA West of McNary Generation Integration Project Spokane Area Sub and Converter NorthernLights DC Sea Breeze WCC PG&E et. al CNC Project Station X BPA I-5 Corridor McNary Station Z PGE Southern Crossing Big Eddy PacifiCorp Walla Walla PG&E, et. al CNC Project NEO Station Idaho Power Hemingway Boardman Legend: PG&E (AC or DC) PacifiCorp (500 or 230kV) PGE (500kV) Idaho Power (500kV) Avista Corp (230kV) BPA (500 kV) NorthernLights (DC) Sea Breeze WCC (DC) PacifiCorp/Idaho Gateway West Hemingway Midpoint PacifiCorp Hemingway Capt. Jack Capt. Jack Borah To SF Bay Area To SF Bay Area 7

  8. Order 2004 Sensitive Transmission Projects in Regional Planning and/or Phase 1 Planned Operation: 2010 – 2015 8 * RP = WECC Regional Planning Process Ph 1 = WECC Rating Process: Phase 1

  9. Transmission Coordination Work Group (TCWG) Group formed to Establish consistent assumptions/methods for Project Sponsors Provide feedback on the Project Sponsor study work Explore opportunities for synergies among projects Activities Develop consistent assumptions, study scenarios, base cases Identify and establish consistent assumptions for the analysis of Hubs Review and comment on Project Sponsor study plans, assumptions, study results and Comprehensive Progress Report Monthly meetings through study completion Met monthly since January 2008 (next meeting: December 9 conference call) Participation – Approximately 30 meeting attendees and more than 80 on the correspondence list Representatives from Phase 1 projects Other stakeholders with interest in providing feedback on technical studies Other parties interested in the development of the projects Order 2004 Sensitive 9

  10. System Parameters Order 2004 Sensitive +3000 MW +2000 MW +4500 MW +3000 MW +1500 MW 2015 HS Regional Gen/Loads Projects coordinated within the TCWG are designed to access resources in BC, Alberta, Montana, the PNW and Northeastern CA/NV 10

  11. Order 2004 Sensitive Project Sponsor/TCWG Phase 1 Accomplishments • Developed Study Plan • Developed Study Assumptions • Identified the location and capacity of new incremental generation to be accessed with the proposed projects • Listed major paths to be monitored and their target flows • Identified the projects in the WECC Phase II Rating process to be modeled in the cases • Established set of critical contingencies to be studied • Developed Base Cases: • Seasonal cases: • 2015 Heavy Summer (North-South Flow) • 2017 Heavy Winter (South-North Flow) • 2011 Light Spring (East-West Flow) • 2010 Light Autumn (East-West Flow) • Reviewed and adjusted Load and Generation balance as necessary 11

  12. Project Sponsor/TCWG Phase 1 Accomplishments (cont’d) Conducted Studies without and with Project Power flow Transient Stability Voltage Stability A number of transmission projects converge in northeast Oregon Evaluated the technical merits of substation where these projects could potentially terminate New Substation – NEO Station Preliminary NEO Station arrangements have been developed and will evolve during WECC Phase 2 Communicated Study Progress and Results Each of the Projects has presented the results of their non-simultaneous rating study work at the TCWG Meeting Participated in joint Big Tent meetings Order 2004 Sensitive 12

  13. TCWG Phase 2 Coordination Order 2004 Sensitive • Project Sponsors have agreed that TCWG will function as the Phase 2 Project Review Group • No need to have separate review teams for individual projects • Separate Phase 2 meetings can be held at the Project Sponsors’ discretion • Entities who are not part of the TCWG and have interest in any of the TCWG projects should contact the Project Sponsor to become part of TCWG • Coordination Activities • Consistent assumptions • Discuss study results involving system interactions 13

  14. TCWG Phase 2 Coordination Order 2004 Sensitive • Meetings • Regular monthly meetings • January 21 • February 18 • TCWG is envisioned to function until the last project completes Phase 2 14

  15. Walla Walla – Mc Nary Tom Tjoelker - PacifiCorp

  16. Conceptual Major Project Elements Walla Walla – Wallula 230 kV Line Wallula – Mc Nary 230 kV Line Potential Bidirectional rating: 400 MW East-to-West 400 MW West-to-East Project Operating Date: Late 2010 Project Website: www.pacificpower.net/energygateway.  MAP Order 2004 Sensitive Project Overview 16

  17. Order 2004 Sensitive Objectives • Provides up to 400 MW of new transmission capacity both East-to-West and West-to-East • Improves transmission reliability to Wallula area • Provides transmission capacity for new wind resources in Walla Walla area • Facilitates future interconnection of other regional transmission projects such as proposed by Avista 17

  18. Order 2004 Sensitive Conceptual One-Line 18

  19. Order 2004 Sensitive WECC PHASE Rating Process • Complete Phase I Proposed Rating Report – Feb. 2009 • Initiate Phase II Planned Rating - Apr. 2009 • Complete Phase II Planned Rating – June 2009 19

  20. Order 2004 Sensitive Project Update (since July, 2008) • Regional Planning Report issued October 6, 2008 • Phase I WECC Rating Process initiated October 9, 2008 • Single-circuit performs well • Working with Avista & BPA on potential regional transmission projects • Double-circuit may be built as part of joint project with Avista • RAS needed for higher wind penetrations 20

  21. Order 2004 Sensitive Project implementation Schedule • WECC rating studies 2008 - 2009 • Permitting and Land acquisition 2008 - 2009 • Engineering 2008 - 2009 • Construction Late 2009 • Operations Late 2010 21

  22. Hemingway – Capt. Jack Tom Tjoelker - PacifiCorp

  23. Conceptual Major Project Elements Hemingway – Capt. Jack 500 kV Line Potential Bidirectional rating: 1500 MW East-to-West 1500 MW West-to-East Project Operating Date: 2014 Project Website: www.pacificpower.net/energygateway.  MAP Order 2004 Sensitive Project Overview 23

  24. Order 2004 Sensitive CONCEPTUAL ONE-LINEHEMINGWAY – CAPT JACK 24

  25. Order 2004 Sensitive Objectives • Support West side load growth • Address renewable portfolio standards • Potentially facilitates future interconnection of other regional transmission projects 25

  26. Order 2004 Sensitive Project implementation Schedule • WECC rating studies 2009 • Permitting and Land acquisition 2010 - 2011 • Engineering 2010 - 2011 • Construction Late 2013 • Operations Late 2014 26

  27. West of McNary Generation Integration Project (WOMGIP) Kyle Kohne - BPA 27

  28. Project Overview Order 2004 Sensitive • Major Elements • Part 1: Construct a new McNary – John Day 500 kV transmission line (~79 mi) • Part 2: Construct a new 500 kV substation (“Station Z”) near Goldendale, WA, and a 500 kV line from Station Z to BPA’s Big Eddy substation near The Dalles, OR. (~30 mi) • Planned Rating: • West of McNary: 4500MW • West of Slatt: 5500MW • West of John Day: 3450MW • Proposed Project Operating Date • Part 1: 2012 • Part 2: 2013 • Project Website: • http://www.columbiagrid.org/WMRP-overview.cfm 28

  29. Objectives Enable BPA to meet Network customer load growth from new resources and serve point-to-point transmission requests across multiple congested east-west transmission paths along the Washington – Oregon border. Enable BPA to interconnect additional wind generation in Eastern Washington and Eastern Oregon. Increase system reliability to serve Portland area load. Order 2004 Sensitive 29

  30. Project Update (since July 2008) Regional Planning Completed (February 2008) BPA plans to initiate the WECC Phase One Rating Process in January 2009. Funds approved to begin preliminary design and NEPA work. Public Involvement effort reinitiated for Part 1 (McNary – John Day). Both parts of the project will be included in BPA’s Network Open Season (NOS) process. Order 2004 Sensitive 30

  31. Project Implementation Schedule Order 2004 Sensitive • McNary-John Day 500-kV • Project will take approximately 3.5 years from start to energization • Environmental Process / Design – 0.5 years • Material Procurement / Construction – Additional 3 years • Big Eddy-Station Z 500-kV (includes Station Z) • Project will take approximately 5 years from start to energization • Environmental Process / Design – 2 years • Material Procurement / Construction – Additional 3 years 31 31

  32. I-5 Corridor Reinforcement Kyle Kohne - BPA 32

  33. Project Overview Order 2004 Sensitive • Major Project Elements • Construct a new 500 kV Substation near Castle Rock, WA. • Develop a 500 kV yard at the existing Troutdale Substation in Troutdale, OR. • Construct a new 500 kV transmission line between these substations (approximately 70 miles). • Alternative: Construct new 500 kV line between new Castle Rock substation and Pearl substation instead • Planned Rating • South of Allston: Approximately 1300 MW increase • Proposed Operating Date • 2015 • Project Website: • http://www.columbiagrid.org/I5CRP-overview.cfm 33

  34. Objectives Relieve congestion along the I-5 corridor transmission path south of Paul Substation. Enable BPA to meet Network customer load growth from new resources and serve point-to-point transmission service requests which impact this path. Enable BPA to interconnect additional new resources which are being planned along the I-5 Corridor. Maintain reliable service to growing loads in Portland and vicinity. Reduce dependence on existing RAS while maintaining transmission system reliability. Order 2004 Sensitive 34

  35. Project Update (since July 2008) Regional Planning Completed (March 2008) BPA plans to initiate the WECC Phase One Rating Process in February 2009. Funds approved to begin preliminary design and NEPA work. This project will be included in BPA’s Network Open Season (NOS) process. Order 2004 Sensitive 35

  36. Project Implementation Schedule Order 2004 Sensitive • I-5 Corridor Reinforcement Project • Project will take approximately 6 years from start to energization for either alternative • Environmental Process / Design – 3 years • Material Procurement / Construction – Additional 3 years 36 36

  37. BPA Network Open Season Update Order 2004 Sensitive • Cluster Study results submitted to BPA Marketing on 10/31/08 • 153 PTSA’s submitted totaling 6,410 MW of transmission requests • WOMGIP and I-5 Corridor Reinforcement are part of the portfolio of projects for meeting the requests • BPA will host Customer Forum on 11/20/08 to present cluster study results (http://www.transmission.bpa.gov/customer_forums/) • Commercial Infrastructure Analysis to be completed by 12/31/08 • Agency embedded rate determination on portfolio of projects no later than 2/16/09 37 37

  38. Hemingway to Boardman Dave Angell - Idaho Power 38

  39. Project Overview Order 2004 Sensitive • Project Elements • Single 500 kV AC circuit from Hemingway, Idaho to Boardman, Oregon • Reactive compensation at Sand Hollow station • Bidirectional rating: • 1300 MW West to East • 800/1400 MW East to West • Project Operating Date: Summer 2013 • Project Websites: http://www.boardmantohemingway.com/ http://www.idahopower.com/newsroom/projnews/hemingway_boardman/default.htm 39

  40. Objectives Meet transmission requirements of Idaho Power Integrated Resource Plans (IRP) 225 MW of northwest resource import Relieve congested transmission path Satisfy OATI obligation for transmission service requests Connect resource centers to load centers (hub and spoke concept) Transmission to forecasted load growth areas Transmission to forecasted resources areas Order 2004 Sensitive 40

  41. Plan of Service 54 mile 500 kV line from Hemingway to Sand Hollow reactive station. Sand Hollow – series capacitor size for 50% compensation of line reactance 254 mile 500 kV line from Sand Hollow to Boardman Power Plant Boardman Power Plant – shunt capacitor bank Order 2004 Sensitive 41 41

  42. Project Update (since July, 2008) Permitting Oregon Energy Facility Siting Council Notice of Intent 8/27/2008 BLM Notice of Intent (NEPA process) 9/11/2008 Comprehensive Progress Report West to East Hemingway – Boardman 1300 MW Idaho to Northwest Path 758 MW East to West independent of other northwest projects Hemingway – Boardman 838 MW Idaho to Northwest Path 1766 MW East to West with Gateway West, WOMGIP, Southern Crossing Hemingway – Boardman 1400 MW Idaho to Northwest Path 2417 MW Order 2004 Sensitive 42

  43. Project Implementation Schedule Order 2004 Sensitive • WECC Regional Planning 7/2007 – 5/2008 • WECC Phase 1 Rating 2/2008 – 12/2008 • WECC Phase 2 Rating 1/2009 – 12/2009 • Permitting and Land acquisition 1/2008 – 2011 • Engineering 1/2008 – 2011 • Construction 2011 – 5/2013 • Operation 5/2013 43 43

  44. Southern Crossing Philip Augustin - Portland General Electric

  45. Conceptual Major Project Elements 500kV transmission line (215 miles) 500/230 kV substations Potential rating: 1500 MW (East to West )winter 1400 MW (East to West )summer Project Operating Date: 2013 2013-2014 if staged Project Website: http://www.oatioasis.com/pge/index.html http://www.nwpp.org/tcwg/ Order 2004 Sensitive Project Overview

  46. Order 2004 Sensitive Objectives • The Project was initiated in response to Generation Interconnection Requests for network service. • The Project will increase transmission capacity to PGE’s service territory by increasing the East to West transfer capability of the PNW grid • The Project is designed to integrate existing PGE generation resources (i.e., Boardman and Coyote Springs) and up to 800 MW of additional renewable and other resources. 46

  47. Order 2004 Sensitive • Conceptual Plan of Service: • HVAC facilities from Boardman to Coyote Springs • HVAC facilities from Boardman to Olallie • HVAC facilities for Bethel to Olallie • Series compensation between Boardman to Olallie, and between Bethel to Olallie 47

  48. Order 2004 Sensitive Project Update (since July, 2008) • Submitted Regional Planning Project Report to WECC Planning Coordination Committee and Technical Studies Subcommittee on October 30th for 30 day review. • Studies demonstrate the Project’s effectiveness during heavy load conditions occurring either in the winter or late spring / early summer. • The east – west proposed rating was determined using a WECC 2017 Heavy Winter case, and a WECC 2015 Heavy Summer case. Generation in the Northwest was dispatched to achieve 1,500 MW of flow on Southern Crossing in the winter and 1,400 MW in the summer meeting WECC Reliability Criteria. • Presented preliminary WECC Phase 1 study results to TCWG • Begun critical issues analysis work for proposed ROW • Signed a Memorandum of understanding with Idaho Power Co. 48

  49. Order 2004 Sensitive Generation Dispatch Studied 49

  50. Order 2004 Sensitive Phase 1 Study Load Assumptions 50

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