| Project Name | Project Purpose | Project Type:
New or Upgrade? | Estimated
In-Service Date | Estimated Transfer
Capability/Rating (MW) | Sponsoring
Organization(s) |
|---|
| Boardman-Hemingway 500 kV (B2H) | Delivery of new resources and transmission service requests | New | 2013 | 1300 MW East to West and 800 MW West to East | Idaho Power |
| Canada – Northern California Transmission Project – Avista Corporation 500/230 kV AC Interconnection | | New | 2015 | 500 MW, bidirectional | Avista Corporation |
| Canada/Pacific Northwest-Northern California | 1. Provide access to significant incremental renewable/GHG-free resources in Canada and the northwestern United States. 2. Improve regional transmission reliability. 3. Provide other market participants with beneficial opportunities to use the facilities. | New | 2015 | 3000 MW | Pacific Gas and Electric Company, Avista, PacifiCorp, Portland General |
| Central California Clean Energy Transmission Project (C3ETP) | Support California RPS target by increasing access to renewable resources in southern California. Improve reliability in the Greater Fresno area. Support Helms pumping operation. Relieve congestion on Path 15. Integrate with California regional bulk transmission system. | New | 41609 | n/a | PG&E |
| Devers-Palo Verde No.2 500 kV Transmission Line Project | Reduce congestion and deliver renewable & low cost energy | New | 40878 | 1200 MW rating increase for both Path 49 (EOR) and Path 46 (WOR). | SCE |
| Ely Energy Center Project (Robinson Summit to Harry Allen 500 kV line) | Direct interconnection northern service territory (Sierra Pacific) and southern service territory (Nevada Power) of Nevada Energy, delivery of energy to meet growing loads from renewable resources and the proposed Ely Energy Center | New | 2011 | | Nevada Energy |
| Gateway Central Project – Mona -Oquirrh 500 kV transmission line | Meet load growth, provide increased reliability and improved operational flexibility in conjunction with future generation resources, including renewable resources such as wind. | New | 2012 | 1,500 MW | PacifiCorp |
| Gateway Central Project – Populus-Terminal 345 kV double circuit transmission line | Meet load growth, provide increased reliability, increase transfer capability between the east and west control area, facilitate delivery of power and provide greater operational flexibility. | New | 2010 | 700 MW up to 1,400 MW | PacifiCorp |
| Gateway Central Project, Sigurd - Red Butte - Crystal 345 kV Line | Load service and increased reliability for SW Utah load service | New | 2013 | | PacifiCorp |
| Gateway South Project – Segment #1 (Mona-Crystal 500 kV) | Delivery of renewable energy; increased capacity to reliably serve load | New | 2016 | Up to 1500 MW bidirectional | PacifiCorp |
| Gateway South Project – Segment #2 (Aeolus-Mona 2-500 kV) | Delivery of renewable energy from Wyoming to Utah and Desert Southwest and provides backup for Gateway west. In addition, the proposed line will help to maintain system reliability and support new renewable energy development. | New | 2016 | Up to 3000 MW bidirectional | PacifiCorp |
| Gateway West Transmission Project Segment 1A – Windstar to Jim Bridger 500 kV | Delivery of new resources in transmission service request queues, to ensure reliable electric service to customers and to also accommodate regional needs for integrating renewable and other resource development. | New | 2014 | 3500 MW Windstar to Aeolus; 2000 MW Aeolus to Windstar | PacifiCorp and Idaho Power |
| Gateway West Transmission Project Segment 1B – Jim Bridger to Southeast Idaho (Bridger – Populus double circuit 500 kV) | Delivery of new resources in transmission service request queues, to ensure reliable electric service to customers and to also accommodate regional needs for integrating renewable and other resource development. | New | 2014 | 3000 MW | PacifiCorp and Idaho Power |
| Gateway West Transmission Project Segment 1C – Southeast Idaho – South Central Idaho (Populus – Midpoint 500 kV) | Increased capacity to serve and reliably deliver energy to customers; support new renewable and other resource development | New | 2015 | 3000 MW | PacifiCorp and Idaho Power |
| Gateway West Transmission Project Segment E – South to Southwest Idaho (Midpoint – Hemingway 500 kV) | Increased capacity to serve and reliably deliver energy to customers; support new renewable and other resource development | New | 2015 | 3000 MW | PacifiCorp and Idaho Power |
| Green Path North Project (also known as Indian Hills – Upland Project) | Renewable delivery | New | 41579 | 1200 MW | Los Angeles Department of Water and Power, Imperial Irrigation District, Southern California Public Power Authority |
| Harcuvar Transmission Project | To permit interconnection of potential solar and thermal generation to the grid with access to the Palo Verde hub, California ISO and WAPA’s Parker-Davis transmission system. | New | 2012-13 | 2,000 MW | Central Arizona Water Conservation District |
| Hemingway-Captain Jack 500 kV Transmission Line | Increased system flexibility and reliability between PacifiCorp’s East and West Control Areas, relieve congested paths Idaho to Northwest and connect to resource centers in Wyoming to Southern Oregon loads; support new renewable energy development. | New | 2014 | 1500 MW bidirectional | PacifiCorp |
| High Plains Express Transmission Project | Enhance reliability, access renewable energy resources, and allow the transfer of economical energy resources to customers in Wyoming, Colorado, New Mexico, and Arizona | New | 2017 | 3500-4000 MW | Black Hills Corporation; Colorado Springs Utilities; Public Service Company of New Mexico, Public Service Company of Colorado (Xcel Energy); Salt River Project; Tri-state Generation &Transmission; Trans-Elect Development Company; Western Area Power Administration; Colorado Clean Energy Development Authority; New Mexico Renewable Energy Transmission Authority; and Wyoming Infrastructure Authority |
| Hughes Transmission Project: | Meet load growth needs in Northeastern Wyoming, increased system reliability in northeastern Wyoming. | New | 2009 | | Basin Electric Power Cooperative |
| Juan de Fuca HVDC Sea Cable | Improved system reliability and increase in flow from mainland to meet needs of Vancouver Island residents. | New | 2010 | +500MW | Sea Breeze Pacific Juan de Fuca Cable, LP |
| Juan de Fuca II HVDC Cable | | New | | | Sea Breeze Pacific Regional Transmission System, Inc (SBP-RTS) |
| Lake Elsinore Advanced Pumped Storage (LEAPS Transmission Project (Talega-Escondido / Valley-Serrano 500 kV line) | Delivery of LEAPS generation to the regional network. | New | 2009 | 500 MW initial usage with 1600 MW design capacity | Nevada Hydro Company, Inc. and The Lake Elsinore Valley Municipal Water District |
| Montana Alberta Tie Project | Enable direct movement of energy between Alberta and Montana | New | 2010 | 300 MW bidirectional | Montana Alberta Tie Ltd. (MATL) |
| Mountain States Transmission Intertie (MISTI) (Townsend-Midpoint 500 kV) | Provide capacity to meet requests in transmission service queue from energy marketers, utilities and power generators (clean-coal, wind and other renewables) and relieve constraints in the area’s high voltage transmission system. | New | 2013 | 1500 MW north to south and 950 MW south to north | Northwestern Energy |
| Navajo Transmission Project Segment #1 (Four Corners - Marketplace 500 kV) | Relieve current constraints west of Four Corners Area, improve reliability of EHV system in region, allow increased economical power sales and purchases, improve economic condition of Navajo Nation, facilitate development of Navajo Nation energy resources. | New | 2010 | 1500 MW non-simultaneous | Dine Power Authority |
| Northern Lights Celilo HVDC Project | Purchase and sale of energy between Alberta and Pacific Northwest including up to 5,000 MW of wind and 3,500 MW of low emission cogeneration resources. | New | 2015 | 2000 MW bidirectional | TransCanada Energy |
| Northern Lights Chinook (MT-NV) HVDC Project | Facilitate movement of energy between Montana, Idaho and the Southwest US | New | 2015? | | TransCanada Energy |
| Northern Lights Zephyr (WY-NV) HVDC Project | Facilitate movement of energy between Wyoming, Idaho and the Southwest US | New | 2015? | | TransCanada Energy |
| Palo Verde Hub-North Gila 500kV #2 line | As a new transmission path to the Yuma area, this 500kV line will provide transmission capacity required to supplement limited transmission and generation resources in the Yuma area. | New | 2012 | Up to 1200MW | Arizona Public Service |
| Path 27 Upgrade ( Intermountain DC Line) | Renewable delivery | Upgrade | 2010 | An increase of 480 MW from 1920 MW to 2400 MW | Los Angeles Department of Water and Power |
| Path 3 – Northwest to British Columbia – South to North Rating Increase | Increased transfer capability for existing facilities | Upgrade | | 3000 MW (current rating 2000 MW) | British Columbia Transmission Corporation |
| Path 54 Upgrades | Deliver output of Springerville Unit 4 | Upgrade | 40148 | 1494MW | Salt River Project |
| Path 55 – Brownlee East Increase to 1915 MW | Increased transfer capability for interconnection of Elkhorn Wind Generation Project on Brownlee-Quartz-LaGrande 230 kV line near North Powder, OR | Upgrade | 2008 | 1915 MW | Idaho Power |
| San Francisco Bay Area Bulk Transmission Reinforcement | Transmission reinforcements to reliably serve the load in the Greater Bay Area | New or upgrades | | | Pacific Gas & Electric |
| Southern Crossing | Meet Generation Interconnection Requests | New | 2013 or 2013 through 2015 if staged | 1500MW proposed WECC rating | Portland General Electric |
| Southern Navajo (Path 51) Upgrade Project | Upgrade of series capacitors in Path 51 to increase transfer capability | Upgrade | Summer 2010 | 3200 MW (existing 2264 MW) | APS, Bureau of Rec., SRP, TEP |
| Southwest Washington / Northwest Oregon 500 kV Reinforcement | Capacity Increase and Congestion Relief to serve Point-to-Point Transmission Service Requests which impact the South of Allston path. | New | 2015 | Approximately 1000 MW increased transfer capability South of Allston. | BPA, U.S. Department of Energy |
| Sunrise Power Link | Access to renewable energy sources and increased system reliability. | New | 2010 | 2364 MW | San Diego Gas & Electirc |
| SunZia Southwest Transmission Project | Promote development of wind, solar and geothermal energy production and increased reliability of the existing high voltage systems in southern New Mexico and southern Arizona | New | 2013 | 3000 MW | Southwestern Power Group, Salt River Project, Tucson Electric Power, Energy Capital Partners, Shell WindEnergy Inc. |
| SWIP North Transmission Project (Midpoint – Thirtymile 500 kV Line | Improved reliability for transmission outages, economic transfers between Northwest and Southwest, and delivery of wind resources (NV, ID, MT & WY) and geothermal resources (NV & UT). | New | As early as 2011 | 1400 MW southbound, 2000 MW northbound | Great Basin Transmission, LLC a wholly owned subsidiary of DLS Power Holdings (a joint venture of LS Power and Dynegy) |
| SWIP South Transmission Project (Robinson Summit – Las Vegas area 500 kV) | Improved reliability for transmission outages, economic transfers between Northwest and Southwest, and delivery of wind resources (NV, ID, MT & WY) and geothermal resources (NV & UT). | New | As early as 2010 | | Great Basin Transmission, LLC a wholly owned subsidiary of DLS Power Holdings (a joint venture of LS Power and Dynegy) |
| TOT3 300 MW Upgrade Project | Increased transfer capacity on the existing TOT3 (Path 36) | Upgrade | 2013 | 200 MW in first stage with an added 100 MW in second stage for a total of 300 MW. | Basin Electric Power Cooperative |
| TOT3 Upgrade Project – Miracle Mile – Ault Upgrade | Upgrade of 115-kV ROW to 230-kV to increase transfer capability | Upgrade | 40179 | TOT3 will go from 1605 to 1680 | Western Area Power Administration |
| TransWest Express Project | Delivery of wind energy to Arizona, California and Nevada | New | 2014 | 3000 MW | TransWest Express, LLC |
| Triton HVDC Sea Cable Project | | New | | 1600 MW | Sea Breeze Pacific Regional Transmission System, Inc (SBP-RTS) |
| Walla Walla to McNary 230 kV | Reliable service for growing load; support new renewable energy development | New | 2010 | 400 MW bidirectional | PacifiCorp |
| West Coast Cable Project | Provide the California market access to hydroelectric energy and untapped wind resources in the Pacific Northwest | New | 2010 | 1200 MW | Sea Breeze Pacific West Coast Cable, LP |
| West of McNary Generation Integration Project (WOMGIP) | Capacity increase and congestion relief to serve point to point transmission service requests which impact the West of McNary (WOM) / West of Slatt (WOS). | New | Part 1 – Mid 2012; Part 2– Late 2013 | WOM path 2850 MW to 4500 MW; WOS path 4100 MW to 5500 MW; West of John Day (WOJ) path 2440 MW to 3450 MW | The Bonneville Power Administration, US Dept of Energy |
| Wyodak South 230 kV line | Meet load growth, provide increased reliability, increase transfer capability into and out of system,. | New | 2010 | 550 MW | Black Hills Power |
| Wyoming-Colorado Intertie Project | Deliver low-cost Wyoming resources to Colorado markets | New | 41426 | 900 MW | Trans-Elect, Wyoming Infrastructure Authority |