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Order 2004 Sensitive 1 WECC Phase 1 Rating Process Coordinated Planning and Technical Studies July 18, 2008 Portland Oregon.

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Presentation on theme: "Order 2004 Sensitive 1 WECC Phase 1 Rating Process Coordinated Planning and Technical Studies July 18, 2008 Portland Oregon."— Presentation transcript:

1 Order 2004 Sensitive 1 WECC Phase 1 Rating Process Coordinated Planning and Technical Studies July 18, 2008 Portland Oregon

2 2 Welcome Darrell Gerrard - PacifiCorp

3 3 Big Tent Meeting July 18, 2008 Embassy Suites Hotel – Portland 9:00 a.m. – 12:00 noon Agenda 9:00Welcome – Darrell Gerrard Background from January 2008 Session Goals Supporting Coordination 9:15FERC Perspectives – Shelton Cannon, Director 9:30TCWG Work Plan- What has been accomplished since January 2008 – Ben Morris 10:00Individual Project Updates (By Project Sponsor) 11:30Next Steps and Timelines for TCWG – Darrell Gerrard 11:45Inputs and Commentary – Sponsor Panel

4 4 Background Purpose: status update for 9 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 the September – November 2008 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 together in the fourth quarter of 2008

5 5 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

6 6 FERC Perspective Shelton Cannon, Director Office of Energy Market Regulation Federal Energy Regulatory Commission

7 7 General Plan for WECC Phase 1 Coordination Ben Morris

8 8 Objectives Coordinate the WECC Phase 1 Rating (non Simultaneous) studies for projects that meet the following criteria:  Currently (or soon will be) in Phase 1  Planned submission of Comprehensive Progress Reports in Sep-Nov  Agree to using a common methodology  All projects involve construction in the Northwest Projects that meet such Criteria include: (list in order of presentation)  West of McNary Project (BPA)  I-5 Corridor Reinforcement BPA)  Idaho-Northwest Project (Idaho Power and Others)  Walla Walla-McNary (PacifiCorp)  Hemingway-Captain Jack (PacifiCorp)  Canada to Northern California Project (PG&E and Others)  Canada to Northern California Project – Devil’s Gap Interconnection (Avista)  Southern Crossing Project (PGE)  Northern Lights Project (TransCanada)  Others Coordination facilitated by the Technical Coordination Work Group

9 9 Technical Coordination Work Group (TCWG) Group formed to  Establish consistent assumptions/methods for Project Sponsors  Provide feedback on the Project Sponsor study work Activities  Develop consistent Assumptions, Switch Decks, 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  Attend monthly meetings or conference calls through study completion Six meetings held Next meeting scheduled for August 21 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

10 10 New Transmission Projects in the Northwest Planned Operation: 2010 – 2015

11 11 New Transmission Projects in the Northwest Planned Operation: 2010 – 2015

12 12 Transmission Projects in Regional Planning and/or Phase 1 Planned Operation: 2010 – 2015 Sponsor/ Participants Project Name Online Date VoltageCapacityWECC Milestones * PacifiCorpWalla Walla to McNary2010Single-230kV AC400 MWRP Initiated – 11/2007 BPAWest of McNary Generation Integration Project 2012 & 2013 Single 500kV AC and 500kV Sub/ Single 500kV AC 1,500 MW each RP Completed – 02/2008 Ph 1 is pending Idaho Power and Others Idaho to Northwest (Hemingway-Boardman) 2012Single 500kV AC1,500 MWRP Completed – 05/2008 Ph 1 Initiated – 02/2008 PGESouthern Crossing2013 & 2015 Single 500kV AC1,500 MWRP in progress Ph 1 initiated – 01/2008 BPAI-5 Corridor Reinforcement Project kV Sub/Single 500kV AC 1,500 MWRP Completed – 03/2008 Ph 1 is pending PacifiCorpIdaho to Capt. Jack (part of Gateway West) 2014Single 500kV AC1,500 MWRP Initiated – 11/2007 PG&E and OthersCanada – Northwest - California (CNC) 2015Double 500kV AC and HV DC 3,000 MWRP Completed – 11/2007 Ph 1 Initiated – 10/2007 Avista CorpCanada – Northwest – California – Avista Interconnection - Spokane Area Upgrades kV Sub and local 230kV upgrades 500 MWRP Initiated – 11/2007 Ph 1 Initiated – 11/2007 TransCanadaNorthern Lights2015+/- 500 kV DC2,000 MWRP Completed – 01/2008 Ph 1 Initiated – 01/2008 * RP = WECC Regional Planning Process Ph 1 = WECC Rating Process: Phase 1

13 13 Project Sponsor Activities/Progress for Phase 1 Developed Study Plan Developed Study Assumptions  Identified the location and capacity of new incremental generation to be accessed with the proposed project  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  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

14 14 Project Sponsor Activities/Progress Conduct Studies pre and post Project (In Progress)  Power flow  Transient Stability  Voltage Stability Identify known interactions with existing facilities and Phase 3 projects (In Progress) Communication of Study Progress and Results (In Progress)  Participate in Monthly Meetings/Teleconferences of the Phase 1  Participate in Joint Big Tent meetings

15 Next Steps: Coordination of Phase 2 Studies TCWG is the basis for the Phase 2 Project Review Group No need to have separate review teams for individual projects Timing Regular monthly meetings through Phase 2 – a meeting schedule will be published in the 4 th Quarter 2008 Recognize individual projects will proceed through Phase 2 on different schedules TCWG will function until the last project gets through Phase 2 at a minimum Coordination Activities Common/Similar assumptions Interactions with other TCWG- coordinated projects in Phase 2 TCWG is currently developing a base case with TCWG-coordinated projects 15

16 16 Proposed Schedule for Coordinated Studies Announce Phase 1 and Form Study Teams Dec 2007 – Jan 2008 Joint Big Tent MeetingJan 24, 2008 Develop Assumptions (TCWG)Feb 2008 Prepare and Finalize Project Study Plans (TCWG) Feb 2008 Prepare Base Cases (TCWG)Mar 2008 Pre-Project Studies (Project Sponsor)April 2008 Joint Big Tent MeetingJul 18, 2008 Technical Studies on Individual Projects (Project Sponsor)May-Aug 2008 Draft Comprehensive Progress Reports (Project Sponsor)Aug-Sep 2008 Review Comprehensive Progress Reports (TCWG) Aug-Sep 2008 Joint Big Tent MeetingNov 2008 Submit Phase 1 CPR to PCC and TSS (Project Sponsor) Sep-Nov 2008 Phase 2 Studies (Project Sponsor and TCWG)Nov 2008 and on

17 17 Project Presentations

18 18 West of McNary Generation Integration Kyle Kohne, BPA

19 19 Project Overview Major Project Elements  Part One: Construct a new McNary – John Day 500 kV transmission line.  Part Two: 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. Anticipated rating (TTC) increase:  Depending on where new generation is integrated.  West of McNary: 2850MW to 4500MW  West of Slatt: 4100MW to 5500MW  West of John Day: 2440MW to 3450MW Anticipated Operating Date:  Part One: Mid 2012  Part Two: Late 2013 Project Website:

20 20 Objectives The objectives of this project are: To enable BPA to serve point-to-point transmission requests across multiple congested east-west transmission paths along the Washington – Oregon border. It would also enable BPA to interconnect additional wind generation in Eastern Washington and Eastern Oregon. Increase system reliability to serve Portland area load.

21 21 Update Regional Planning for the West of McNary Generation Integration Project was initiated through Columbia Grid on June 29, WECC approved the Regional Planning Compliance Report on February 8, BPA plans to initiate the WECC Phase One Rating Process in August Funds were approved to begin preliminary design and NEPA work. Some Public Involvement effort has been initiated. This project will be included in BPA’s Network Open Season (NOS) process.

22 22 Project Implementation Schedule 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

23 23 I-5 Corridor Reinforcement Anthony Radcliff, BPA

24 24 Project Overview 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). Anticipated rating (TTC) increase:  South of Allston: approximately 1300 MW Anticipated Operating Date:  Late 2014 Project Website:  overview.cfm Alternate Option:  Construct a new 500 kV Substation near Castle Rock, WA. Add a new 500 kV bay at the existing Pearl Substation. Construct a new 500 kV transmission line between these substations (approximately 100 miles).

25 25 Objectives The objectives of this project are: To relieve congestion along the I-5 corridor transmission path south of Paul Substation and enable BPA to serve point-to-point transmission service requests which impact this path. To 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.

26 26 Update Regional Planning for the I-5 Corridor Reinforcement Project was initiated through Columbia Grid on June 29, WECC approved the Regional Planning Compliance Report on March 21, BPA plans to initiate the WECC Phase One Rating Process in August Funds were approved to begin preliminary design and NEPA work. Preliminary design work to evaluate possible corridors for routing the line. Some Public Involvement effort has been initiated. This project will be included in BPA’s Network Open Season (NOS) process.

27 27 Project Implementation Schedule I-5 Corridor Reinforcement Project  Project will take approximately 6 years from start to energization Environmental Process / Design – 3 years Material Procurement / Construction – Additional 3 years

28 28 BPA Network Open Season Update Anders Johnson, BPA

29 29 Objectives One of BPA’s most important strategic objectives is to ensure an adequate electric power infrastructure for the Pacific Northwest Network Open Season (NOS) is a key way to meet planning, expansion, and reliability obligations to BPA’s Network (NT) and Point-to-Point (PTP) customers This project is aimed at better managing BPA’s transmission queue and determining priorities for new transmission BPA wants to encourage new resource development, including development of renewable resources

30 30 Overview BPA offered transmission service to all entities that requested service on BPA’s Network (excluding interties)  The customer committed to purchasing transmission by signing a precedent agreement (PTSA)  BPA’s commitment is contingent on providing service at embedded-cost rates and completing environmental work  BPA will perform a cluster study and commercial infrastructure analysis More information is available:  et-Network_Open_Season_March_2008.pdf

31 31 Summary of Results to Date

32 32 Gateway West Idaho Power and PacifiCorp Joint Project Dave Angell, Idaho Power

33 33 Project Overview Conceptual Major Project Elements  Eastern Wyoming - Two AC circuits (230kV/500kV) from Windstar, near 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, near Boise Potential rating:  3000 MW Operating Date:  2012/2014 Project Website:

34 34 Objectives Connect resource centers to load centers (hub and spoke concept)  Transmission to forecasted load growth areas  Transmission to forecasted resources areas Relieve congested transmission paths Meet transmission requirements of Integrated Resource Plans (IRP) Satisfy OATT obligation for transmission service requests in excess of 1000 MW Provide transmission for generation interconnection queue

35 35 Background Project developed 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  Completed Regional Planning 5/30/2008  Initiated Phase 1 Rating Process 2/19/2008  Complete Phase 1 Comprehensive Planning Report 8/31/2008  Initiated NEPA process for siting the lines

36 36 Proposed Schedule

37 37 Idaho to Northwest (Hemingway Boardman) Dave Angell, Idaho Power

38 38 Project Overview Conceptual Major Project Elements  Single 500 kV AC circuit from Hemingway, Idaho to Boardman, Oregon Potential ratings:  800 MW NW-ID  1500 MW ID-NW Project Operating Date: 2012 Project Website:

39 39 Objectives Meet Idaho Power Network Transmission requirements for imports from the northwest  225 MW of northwest resource import – Integrated Resource Plan  Additional Network Customer load growth Satisfy OATT obligation for transmission service requests in excess of 1000 MW Connect resource centers to load centers (hub and spoke concept)  Transmission to forecasted load growth areas  Transmission to forecasted resources areas Relieve congested transmission path

40 40 Background Project initiated through Idaho Power IRP Milestones:  NTTG Fast Track Process 1/1/2007 – 6/1/2007  Initiated Regional Planning 7/5/2007  Completed Regional Planning 5/30/2008  Initiated Phase 1 Rating Process 2/19/2008  Complete Phase 1 Comprehensive Planning Report 8/31/2008  Initiated NEPA and OEFSC process for siting the line

41 41 Proposed schedule

42 42 Walla Walla to McNary/Boardman 230 kV Line Project Hemingway to Captain Jack 500 kV Line Project Tom Tjoelker - PacifiCorp

43 43 Project Overview; Walla Walla to McNary/Boardman Conceptual Major Project Elements: Single 230 kV circuit from Walla Walla Washington to McNary/Boardman Oregon with a tie to Wallula Substation Potential bidirectional rating: 400 MW Proposed Project Operating Date: 2010

44 44 Objectives Meet transmission requirements of PacifiCorp Integrated Resource Plans (IRP) Relieve congested transmission path Improve Wallula Area Transmission Reliability Satisfy OATI obligation for transmission service requests Provide transmission for generation interconnection queue

45 45 Progress and Future Activities Initiated Regional Planning November 2007 Conducted regional planning meetings July 2008 Initiate Phase 1 Rating Process July 2008 Complete Regional Planning Report August 2008 Complete Phase 1 Comprehensive Planning Report September 2008 Information can be found on

46 46 Project Overview: Hemingway to Captain Jack Conceptual Major Project Elements  Single 500 kV circuit from Hemingway Idaho to Capt. Jack Oregon Potential east to west rating of 1500 MW, west to east rating to be determined Proposed Project Operating Date: 2014

47 47 Objectives Meet transmission requirements of PacifiCorp Integrated Resource Plans (IRP) by increasing transmission capacity between PacifiCorp’s East and West Control Areas Relieve congested transmission paths (Idaho to Northwest) Connect resource centers to load centers (Wyoming Resources to Southern Oregon Loads)

48 48 Progress and Future Activities Initiated Regional Planning November 2007 Conducted regional planning meetings July 2008 Initiate Phase 1 Rating Process July 2008 Complete Regional Planning Report August 2008 Complete Phase 1 Comprehensive Planning Report November 2008 Information can be found on

49 49 Canada to Northern California Steve Metague, PG&E

50 50 Project Overview Major Project Elements  HVAC from Selkirk to Boardman area via Spokane area sub  HVDC or HVAC from Boardman area to Olallie/Maupin area to Tesla/Tracy  HVDC converter stations either in the Boardman area or Olallie area and Tesla/Tracy and potential third terminal in the Cottonwood area Potential Bidirectional rating:  3000 MW North to South  2000 MW South to North Project Operating Date: late 2015 Project Website: Selkirk Sub Devil’s Gap Boardman Hub Cottonwood To SF Bay Area Substation Legend: 500 kV AC AC or DC HVDC Olallie/ Maupin area

51 51 Objectives Enhance access to significant incremental renewable resources in Canada and the Pacific Northwest. Improve regional transmission reliability. Provide market participants with beneficial opportunities to use the facilities. Other considerations: Minimize the footprint on the land by using existing and under utilized corridors where possible Use an open stakeholder planning process to provide benefits to customers in all the regions the line traverses.

52 52 Background Project steering team: Avista Corp, BCTC, PacifiCorp, Portland General, PG&E Milestones reached:  Initiated Regional Planning 12/16/2006.  Completed Regional Planning 11/1/2007.  Initiated Phase 1 Rating Process 10/31/2007.  Completed load and resources, technical feasibility and economic screening analysis. Reports posted on project website 11/1/2007. Milestones planned for 2008  Develop Preliminary Plan of Service – August-September  Complete Phase 1 Studies – September  Begin Phase 2 Studies (following PCC/TSS acceptance of Phase 1 Studies) – expected by November-December  Continue to perform pre-permitting studies including environmental and design activities – throughout

53 53 Technical Study Activities Developed 2015 heavy summer case and 2017 heavy winter benchmark and project base cases and shared the data with TCWG members. Developed two and three terminal HVDC models for power flow and dynamic studies and shared the information with TCWG members. Developed wind generator model for power flow and dynamic studies. Working with TCWG members reviewed project interconnection alternatives in Oregon: Boardman HVDC alternative Olallie HVDC alternative Southern Oregon Hub alternative Station K alternative – development in progress Completed preliminary power flow studies and shared the information with TCWG members for review and comment. September 2008 – Issue draft Phase 1 report including preliminary plan of service.

54 54 Preliminary Findings Preliminary findings suggest that desired rating of 3000 MW (north-south) is feasible for all segments of the project from Selkirk-BC to Northern California terminal at Collinsville Among the interconnection alternatives evaluated in the technical studies, the Southern Oregon Hub alternative had more adverse impact on the existing PACI intertie requiring mitigation measures at added cost. Based on preliminary technical studies, routing studies and considerations for regional benefits, the preliminary plan of service includes: 500 kV AC from Selkirk to the Olallie area via Devils Gap and the Boardman Hub 500 kV HVDC from the Olallie area termination to Collinsville area substation in Northern California A potential third terminal in the Cottonwood area of Northern California 500 kV AC from Collinsville to Tesla/Tracy

55 55

56 56 Canada to Northern California - Avista Interconnection Scott Waples, Avista

57 57 Project Overview Major Project Elements:  500/230 kV interconnection at Devils Gap  230 kV Phase Shifting Transformers  kV interconnections to the Spokane Area 230 kV Grid Potential Bidirectional rating:  500 MW Project Operating Date: 2015 Devil’s Gap kV PG&E-CAN 500 kV Line Beacon kV Sunset kV Major Highways Existing 230 kV Proposed 230 kV Existing 115 kV Westside kV

58 58 Objectives and Resources The Avista interconnection to the PG&E Canada to Northern California 500 kV Project will provide up to 500 MW of access to the “Main Stem” Project from the Avista transmission system for renewable resources in the Avista service territory. The interconnection will allow Avista access to other renewable resources in the Northwest as well as in Canada. The project may also allow Avista to integrate some of its existing thermal resources to its loads over its own transmission, and may allow for additional imports of economy energy into the Avista system. Potential resources are wind resources located in various locations on the Avista system, including but not limited to wind farms near Spokane, Othello, Lewiston, and Clarkston Washington, as well as Grangeville, Idaho. Avista presently has 12 interconnection requests pending.

59 59 Background, Study Work, and Future Meetings: Avista announced a Regional Planning Process that will run concurrently with a WECC Phase I Rating Process. The letter announcing these processes went to the WECC Committees and other stakeholders in the fourth quarter of Preliminary studies that have been run on this project indicate that a 500/230 kV interconnection at Devils Gap with the associated 230 kV construction is feasible. The studies further indicate that a phase shift angle of plus 20 degrees to minus 40 degrees will be sufficient to satisfy the goal of a bi-directional rating of 500 MW. There may be a requirement to trip the interconnection and some generation for some outages. Studies continue. Avista hosted an initial meeting in Spokane on , and will be hosting a second meeting in the near future to review the first draft of our study report.

60 60

61 61 Southern Crossing Philip Augustin, PGE

62 62 Project Overview Conceptual Major Project Elements  500 kV transmission lines  500/230 kV substation Potential Bidirectional rating:  1500 MW Project Operating Date:  2013  2013/2015 if staged Project Website: PGE OASIS  

63 63 Objectives Meet the state mandated Renewable Portfolio Standard requirements for 2015 Deliver future wind and other resources to load Opportunity for integration of existing resources PGEs 2002 and 2007 Integrated Resource Plans (IRP) - Identified significant demand and energy requirement, and the critical nature of transmission OPUC directed PGE to work with region to develop transmission capacity over the Cascades to access additional resources Access to a new Transmission Hub Balanced scheduling of diverse wind resources at Transmission Hub Reliability Improvement to Willamette Valley customers Provide some congestion relief to current transmission system

64 64 Status Project is currently being studied by PGET under the OATT process. Feasibility Study completed, System Impact Study in progress. Exchanged technical results with adjacent utilities Formed Regional Planning Review Group Report on Projects conformance to WECC Regional Planning Guidelines delivered to Review Group for review and comment Established Project planning assumptions, and began preliminary discussions with state permitting authorities Initiated ROW investigations Initiated detailed economic evaluation financial model  Consultant developed preliminary EPC estimate

65 65 Project Implementation Schedule Task Name Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4Q1Q2Q3Q4 OATT Interconnection Process 18 months Regulatory & Stakeholder Coordination Corridor Options High Level cost and schedule Feasibility and System Impact Studies WECC Phase 3 Definitive commercial agreements Engineering Procurement Construction Release To Operation FinishStart WECC Phase 1 & Regional Review Comprehensive Progress Report (CPR) -Identify the non-simultaneous and known interactions of the project CPR reviewed by PCC & TSS membership Informal reports are presented at TSS meetings Letter to TSS and PCC requesting Phase 2 Status WECC Phase 2 Identify the simultaneous transfer capability for project Address mitigations for any adverse impacts to existing system EFSC permitting process Land Acquisition Duration Q Q months Q Q months Q Q to 72 months Q Q or 2013 through Q2 2015

66 Alberta to Pacific Northwest Bill Hosie, TransCanada 66

67 NorthernLights Overview Project web site: _initiatives.html HVDC transmission line from Edmonton/Heartland area to Buckley, Oregon 3000 MW design capacity 900 miles $2 billion (‘08$), 2000 MW initial capacity Merchant intertie line 6 years to permit and build Operational in 2015 Buckley Edmonton/Heartland NorthernLights AC or DC Connectors Converter Calgary Spokane BC AB SK WA MT ID OR 67

68 Objectives Create a bi-directional path between Alberta and the Pacific Northwest Enhance regional resource reliability by providing bi-directional market access (AESO’s 2007 Market Roadmap) Provide opportunities for markets to access large-scale renewable energy resources – wind, hydro IGCC with sequestration, nuclear Enhance regional wind capacity factors though geographic diversity Improve regional transmission reliability. Provide market participants with beneficial opportunities to use the facilities. 68

69 Background NTAC’s Canada to NW to California study demonstrated the cost effectiveness of HVDC to interconnect the PNW with California Milestones reached:  Initiated Regional Planning July 11, 2006  Regional Planning Meeting in Portland September 22, 2006  Completed Regional Planning January 2008  Initiated Phase 1 Rating Process December 10, 2007  Alberta Transmission Regulations amended – multiple Alberta terminals allowed for merchant interties December 19, 2007  Alberta Government signifies support of significant intertie capacity increase Fall

70 Project Schedule Initial Feasibility (complete 2006) Market Verification & Commercial Support Detailed Siting and Permitting Detailed Technical Studies / Path Rating Finalize Land Acquisition and Construct Commence Operations 2012: Fully Permitted and Committed Line Open Season 70

71 Progress Southern HVDC terminal confirmed at Buckley BPA Interconnection Application submitted May, 2008 Coordinated PNW Path Rating and Interconnection Study scoped Integrated Alberta/WECC dynamic model complete and tested Completed North – South Alberta corridor assessment 26 AESO open houses for Alberta North – South capacity 71

72 Other Updates 72

73 Recap of Next Steps and Timelines Darrell Gerrard - PacifiCorp 73

74 74 Next Steps and Timelines for TCWG Joint Big Tent MeetingJul 18, 2008 Technical Studies on Individual Projects (Project Sponsor)May-Aug 2008 Draft Comprehensive Progress Reports (Project Sponsor)Aug-Sep 2008 Review Comprehensive Progress Reports (TCWG) Aug-Sep 2008 Joint Big Tent MeetingNov 2008 Submit Phase 1 CPR to PCC and TSS (Project Sponsor) Sep-Nov 2008 Phase 2 Studies (Project Sponsor and TCWG)Nov 2008 and on

75 Inputs and Commentary Sponsor Panel 75


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