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Olympic Peninsula Region Projects
Project
Parties Impacted Scheduled Cost Project Need/Driver & Other Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Estimate Notes tribal lands
Level
Olympic Peninsula Construct 14 miles of new double circuit 230 kV BPA PSE 2009 $26- Load growth and correct bus Existing
Reinforcement line from Olympia to Shelton. Loop-in the million sectionalizing breaker issue Obligation
Olympia-Kitsap 230 kV line into Shelton. Project
Remove the Olympia-Shelton No.1 115 kV line.
The project also includes miscellaneous
substation work at Shelton and Olympia.
Olympia 230/115 kV Add a new 230/115 kV Transformer at Olympia BPA Conceptual 2016 $7 Load Growth Single System
Transformer Bank substation Project for million Project with
No.3 future need possible
impacts
Shelton-Fairmount- Shelton-Fairmount 230 kV line No. 3. Construct BPA Conceptual 2016 $21.5 Load Growth Single System
Port Angeles Area a new 230 kV line (approximately 60 miles) Project for million Project
between Shelton and Fairmount Substations future need
Puget Sound Region Projects
Project
Parties Impacted Scheduled Cost Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Project Need/Driver & Other Notes Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Estimate tribal lands
Level
North King County This project involves looping the Monroe- PSE Energized Additional transformation Single System Puget Sound
transformer Sammamish 230kV line into PSE's Novelty Hill capacity for north King County to Project, Area Study
capacity. substation and installing a new 230/115kV meet load growth. possible Team
transformer. impacts
South King County This project involves the construction of a 2 mile PSE Energized Increased reliability for Berrydale Existing Puget Sound
Capacity Increase 230kV line between Bonneville's Covington and Talbot substations and Obligation Area Study
substation and PSE's Berrydale substation on capacity increase north of Project Team
existing ROW. Double circuit 1590 ACSS Falcon Covington.
initially phased tied and operated as a single
line.
230 kV Line Re- This project involves the re-termination of Tacoma Bonneville Study completed 2011-2012 $750K to Reliability improvement New entry. Single System Puget Sound
termination Project Bonneville’s South Tacoma-Cowlitz (#1) 230-kV Power by Bonneville in $1M Project, Area Study
at and around line from Tacoma Power's Cowlitz 230-kV Bus June 2008 possible Team
Cowlitz Substation. into TPWR’s Southwest (#4) line. It also impacts
includes the re-termination of TPWR’s Cowlitz-
Southwest (#3) and Cowlitz-Tacoma (#2) 230-kV
lines to create a new Southwest-Tacoma 230 kV
line.
Pierce County A new 230/115kV transformer at Alderton PSE 2011 October Additional transformation Single System Puget Sound
transformer substation in central Pierce County with several capacity for Pierce and south King Project, Area Study
capacity. options being considered for the 230kV source. Counties to meet load growth. possible Team
impacts
Thurston County A new 230/115kV transformer at Saint Clair or PSE 2012 October Additional transformation Single System Puget Sound
transformer Spurgen Creek substations in Southern Thurston capacity for Thurston Counties to Project, Area Study
capacity. County with several options being considered meet load growth. possible Team
for the 230kV source. impacts
North Downtown Proposed to build a new 200 MVA substation in Seattle City Conceptual Project identified 2014 to 2018 $40 to Load growth in North Seattle area Existing Puget Sound
Seattle Substation the north of downtown area to serve load Light Project for future for future need $200M has slowed since late 2008. SCL is Obligation Area Study
growth. Install underground 230kV need reviewing load forecasts and Project Team
transmission lines from East Pine and transmission plans for the north
Massachusetts Substations to New Substation downtown area.
and add 230kV/115kV autotransformer.
Construct new 115kV transmission lines from
Canal and Broad Street Substations to New
Substation.
South of Sedro Rebuild a 115kV line to become a second 230kV PSE in parallel 2010 to 2011 Increase capacity for native load Capacity Puget Sound
Capacity Increase line between Sedro Woolley and Horse Ranch w/Bonneville & and transmission service Increase Project Area Study
Substations. Includes reconductoring sections Snohomish PUD Team
of the Sedro Woolley-Horse Ranch-Bothell w/ impacts to
230kV line, adding 2 breakers at Horse Ranch, the Westside
and uprating the Horse Ranch-HR Tap of Northern
Monroe-Snohomish 230 kV line Intertie
Puget Sound Region Projects
Project
Parties Impacted Scheduled Cost Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Project Need/Driver & Other Notes Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Estimate tribal lands
Level
Southwest Modify Bus section breaker arrangement at Tacoma 2012 The purpose of this project is to Single System Puget Sound
substation 230 kV Southwest substation to eliminate single point Power improve system reliability by Project Area Study
Bus Reliability of failure of bus section breaker. preventing any bus fault or a Team
Improvement “stuck breaker” on one of the 230
Project kV buses from resulting in total
loss of service to the substation.
Beverly Park 230- Expand the existing 115 kV switching station Snohomish Additional Project is in the 2012 Load Growth and expected local In service date is delayed Single System Puget Sound
115 kV Capacity and add two 230-115 kV 300 MVA transformers. PUD No. 1 Bonneville design and November reliability deficiency in Paine Field from 2011 to 2012 and Project, Area Study
Addition The 230 kV source will be from the BPA Snohomish construction and Everett areas requires second transformer possible Team
Snohomish Substation. An existing 115 kV line 230kV bus Phase capacity increases to meet District included at Beverly Park. impacts
from BPA Snohomish to the Glenwood Tap will positions are level of service guidelines
be converted to 230 kV. The 115 kV line serving required
the Glenwood Tap will then be configured to be
served from the Beverly Park 115 kV bus.
Canyon substation Canyon is a 230/110 kV substation to be located Tacoma BPA Study completed High 2011-12 The addition of this substation is Single System Puget Sound
in the southern part of Tacoma Power’s service Power by BPA in 2008 intended to improve system Project, Area Study
territory. Tacoma Power proposed to reliability, operational flexibility, possible Team
interconnect this new substation to Bonneville’s and at the same time, provide impacts
South Tacoma Substation. A single 230/110 kV more system capacity to
step down transformer will be installed at this accommodate load growth in the
substation in the near term with provisions area.
made for a future second transformer.
IP line conversion to Convert PSE's 115kV "IP" line to 230kV between PSE Puget Sound Conceptual 2013 to 2015 Load growth in Puget Sound and Single System Puget Sound
230 kV Kittitas substation and Lake Tradition substation Utilities Project for future generation integration, related to Project, Area Study
in King County to increase cross-Cascade need North Cross Cascades possible Team
capacity and interconnect Kittitas County wind Improvements impacts
projects
North Cross Alternatives include 500 kV series capacitors to Bonneville Puget Sound 2014-2016 Load growth in Puget Sound and Existing Puget Sound
Cascades the Schultz-Raver 500 kV lines No.3 & 4, Utilities Transmission Service Requests Obligation Area Study
Reinforcement additional 500 kV shunt capacitors in the area, Project Team
construction of a new 500 kV line across the
Northern Cascades to serve loads in the Puget
Sound area
Seattle Area Add a new 500/230 kV transformer bank in the Bonneville PSE - Covington 2016 Load growth in Puget Sound area Existing Puget Sound
500/230 kV Seattle vicinity to serve loads in the Puget - Berrydale Obligation Area Study
Transformer Bank Sound area. 230kV line Project Team
Puget Sound Region Projects
Project
Parties Impacted Scheduled Cost Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Project Need/Driver & Other Notes Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Estimate tribal lands
Level
North King County A 230kV line between Sammamish Substation PSE In parallel w/ 2015 to 2017 Increased capacity across the Existing Puget Sound
Capacity Increase in North King County to Talbot substation in Bonneville & Monroe-Echo Lake cutplane for Obligation Area Study
central King County. The project would involve SCL w/impacts native load and transmission Project Team
rebuilding an existing 115kV line to 230kV. to the Westside service.
Northern
Intertie
South Everett Area Reconductoring Bonneville Snohomish to Snohomish The Bonneville Project no longer Load Growth and expected local The Beverly Park and Single System Puget Sound
115 kV Expansion Pinehurst 115 kV line (2019). This line is owned PUD No. 1 portion of this in Shohomish reliability deficiency requires South Snohomish County Project, Area Study
by Bonneville and Snohomish PUD line requires PUD plan capacity increases to meet District 115 kV Expansion Projects possible Team
increase level of service guidelines have replaced the South impacts
capacity Everett Area Expansion
Project
115kV North Seattle Uprate 115kV transmission lines in the north Seattle City BPA, NI Plan of Service Included in SCL 2009 Increase North Seattle 115kV Single System
Transmission Lines end of Seattle to 100 degree C conductor Light determined budget Transmission line capacity and to Project
upgrade temperature. Remaining tasks include improve transmission reliability.
completion of the Bothell-Shoreline #1 by
summer 2009 and removing obstructions below
the Bothell-Canal 115 kV lines.
Cowlitz substation Modify Bus section breaker arrangement at Tacoma Preliminary 2012 The purpose of this project is to Reclassified as single Single System
230 kV Bus Cowlitz substation to eliminate single point of Power study increase system reliability system project Project
Reliability failure of bus section breaker. This project will completed. Final
Improvement be implemented at the same time as the 230 kV study will be
Project. Transformer Replacement project at Cowlitz. performed in the
near future in
anticipation of
budget approval
in 2011-2012.
Cowlitz 230 kV Replace the two 250 MVA transformers at Tacoma Study 2010 The two 250 MVA transformers at The size of the new Single System
Transformer Cowlitz with two 400 MVA, 230/115 kV, Power completed. 1st Cowlitz were installed in the mid- transformers changed Project
Replacement autotransformers. instead of 500 MVA as transformer 60s. The new transformers will from 500 to 400 MVA
previously reported.) purchased in provide more capacity to
2008 and 2nd accommodate system load
transformer will growth. They will also provide
be purchased in better operational flexibility and
2009. higher reliability by allowing N-1
operation when one of them is
taken out of service for
maintenance.
Puget Sound Region Projects
Project
Parties Impacted Scheduled Cost Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Project Need/Driver & Other Notes Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Estimate tribal lands
Level
Swamp Creek 115 Construct a six 115 kV breaker switching station Snohomish Project under 2021 South County area load growth In service date is delayed Single System
kV switching station with a ring bus arrangement using GIS PUD No. 1 study November and expected reliability from 2017 to 2021 Project
technology (four breakers only needed for deficiencies will require capacity
phase one work). Future construction will increases to meet District level of
include one 115 kV line position will terminate a service guidelines. This
new 115 kV line from the Paine Field Area and construction work is also part of a
one new 115 kV termination of a 230kV / 115 kV multi-project effort to provide
transformer. This switching station will three 115 kV ties between
terminate 115 kV lines from SnoKing (2 Lines), Bonneville SnoKing and Bonneville
Halls Lake (1 line) and from Beverly Park (1 line). Snohomish substations.
Paine Field 115 kV This capital expansion includes design and Snohomish Project under 2021 South County area load growth In service date is delayed Single System
Switching Station construction of a six 115 kV breaker ring bus PUD No. 1 study November and expected reliability from 2020 to 2021 Project
adjacent to the existing Paine Field Substation. deficiencies will require capacity
The existing Paine Field Substation will have a increases to meet District level of
station bus looped through from the new service guidelines. This
adjacent ring bus and the Paine Field to Boeing construction work is also part of a
115 kV Line. When completed, the switching multi-project effort to provide
station will terminate lines from Mukilteo, three 115 kV ties between BPA
Olivia Park, Boeing, Gibson, Beverly Park via SnoKing and BPA Snohomish
Casino (new), and Swamp Creek via Picnic Point Substations.
tap (new).
Swamp Creek to This capital expansion includes design and Snohomish Project under November South County area load growth Single System
Picnic Point Tap 115 construction of a 115 kV line (2.9 miles) with PUD No. 1 study 2020 and expected reliability Project
kV Line 1272 kCM conductor from Swamp Creek to the deficiencies will require capacity
Picnic Point tap. A new 115 kV line position and increases to meet District level of
breaker will be added to the Swamp Creek 115 service guidelines. This
kV Switching Station. This new 115 kV line will construction work is also part of a
be configured (closed loop network connection) multi-project effort to provide
with the Paine Field 115 kV Switching Station. three 115 kV ties between BPA
The Picnic Point Tap to the Picnic Point SnoKing and BPA Snohomish
Substation 115 kV Line will be operated Substations.
normally opened.
Marysville 230- Construct a new 230 – 115 kV 300 MVA Snohomish BPA Project under November Marysville area load growth and Single System
115kV Substation Transformation Substation in the Marysville, PUD No. 1 study 2025 expected North County reliability Project,
Washington area. This new transmission deficiencies will require capacity possible
substation will be connected (looped) to the increases to meet District level of impacts
existing BPA Murray to BPA Snohomish 230 kV service guidelines
line. The new substation will consist of four 115
kV line positions and connect to the existing
area 115 kV network and the Stimson Crossing
115 kV Switching Station.
Beverly Park and Addition of several 115 kV line capacity Snohomish Projects are in November Beverly Park and South Everett Revised Project scope and Single System
South Snohomish additions in the South Everett Area: Beverly PUD No. 1 the design and 2012 area load growth and expected dates advanced to 2012 Project
County 115 kV Park to Everett 115 kV Line (2012) , Beverly Park construction local reliability deficiencies will
Expansion to Boeing (reconductor) 115 kV line (2012). phase require capacity increases to meet
District level of service guidelines
Puget Sound Region Projects
Project
Parties Impacted Scheduled Cost Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Project Need/Driver & Other Notes Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Estimate tribal lands
Level
Chehalis-Centralia Rebuild both of the Chehalis-Centralia 69 kV BPA Load growth in Chehalis and Single System
Rebuild lines No.1 and 2 with higher capacity conductor Centralia areas Project
using H-frame structures, and 115 kV spacing
and insulation. The lines will be operated
initially at 69 kV.
East King County This project involves looping the Maple Valley- PSE 2012 Additional transformation Single System Puget Sound
transformer Sammamish #1 230kV line into PSE's Lake capacity for east King County to Project, and Northern
capacity Tradition Substation and installing a new meet load growth. possible Mid-C Area
230/115kV transformer. A future connection to impacts Study Teams
the west end of the IP line is also planned.
Skagit County This project involves installing an additional PSE 2013 Additional transformation Single System Puget Sound
transformer 230/115kV transformer into PSE's Sedro capacity for Skagit County to meet Project, Area Study
capacity Woolley Substation. load growth. possible Team
impacts
Central Washington Region Projects
Project
Parties Impacted Scheduled Project Need/Driver & Other Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Cost Estimate Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Notes tribal lands
Level
Mid-Columbia Area Rebuild 9 miles of the Vantage-Midway 230 kV line BPA PAC & Grant Plan of Service Funding 2011 $14 million Load growth in Mid C area Existing NTAC
Reinforcement (about 10 miles is already rebuilt) in Central WA. Determined approved by and transfers of generation Obligation
Add sectionalizing breaker at Vantage substation. sponsor out of the area Project
Mid-Columbia Area Wanapum-Pomona Heights 230-kV #2 Line in the PAC BPA, Grant 2012 Load growth in Yakima area External Project NTAC
Reinforcement Yakima area.
Northern Mid-C Area Douglas-Rapids 230 kV line, Douglas 230/115 kV Douglas Douglas, Plan of Service sponsor 2012 Project needed to meet load New Project Existing Northern Mid-
Support transformer, Rapids 115 substation with Chelan, BPA, Determined committed growth Obligation C Study
terminations for Pangborn, South Nile and Hanna Grant, PSE Project Group
115 kV lines
Northern Mid-C Area Andrew York 115kV Bus Arrangement: change the Chelan Douglas, Plan of Service Included in Fall 2010 $750k Project needed to match New Project Single System Northern Mid-
Support line termination bus arrangement at Andrew York County Chelan, BPA, Determined Sponsers Budget line capacities for bus Project C Study
Switchyard PUD Grant, PSE segment outage Group
Northern Mid-C Area Rebuild McKenzie to Wenatchee Tap 115 kV line Chelan Douglas, Plan of Service Project identified Fall 2012 $6M This project is needed to New Project Single System Northern Mid-
Support County Chelan, BPA, Determined as future need - provide a higher rating and Project C Study
PUD Grant, PSE mitigate reliability criteria Group
violations.
Northern Mid-C Area Build new Rapids-Columbia 230 kV line unknown Douglas, Plan of Service Project identified 2013 Project needed to meet load New Project Existing Northern Mid-
Support Chelan, BPA, under Study as need growth and transfers Obligation C Study
Grant, PSE Project Group
Northern Mid-C Area Add 230kV bus section breaker at Columbia BPA Douglas, Plan of Service Project identified 2013 Project needed to meet load New Project Existing Northern Mid-
Support Chelan, BPA, under Study as need growth and transfers Obligation C Study
Grant, PSE Project Group
Mid-Columbia Area Upgrade Wanapum-Midway 230-kV line in central Grant Project identified 2015 Load growth in Yakima area, Project schedule Existing
Reinforcement, Phase WA, County as future need - new wind generation plants identified Obligation
2 PUD and transfers of generation Project
out of the area
Columbia - Larson 230 Construct a new 230 kV line from Rocky Ford to Grant Interconnect 2012 $30 million Meet load growth, increase Changed from Columbia- Single System
kV Line Columbia, connect to existing Rocky Ford-Larson County w/BPA at transmission system Rocky Ford to Columbia- Project with
230 kV line to form Columbia-Rocky Ford line. PUD Columbia Sub reliability and improve Larson. possible
voltage stability parallel impacts
performance.
Andrew York - Rocky Construct 8.5-mile 230kV transmission line from Chelan Complete Complete $14 million Provide adequate capacity Single System
Reach 230 kV Line Rocky Reach Switchyard to Andrew York County to Chelan’s 115kV Project
Switchyard. Construction includes 230kV ring bus at PUD transmission system to meet
Andrew York with 250MVA 230-115kV reliability and operational
autotransformer. Improvements at Rocky Reach standards with expected
Switchyard includes addition of one 230kV breaker load growth.
and main transfer bus extension.
Central Washington Region Projects
Project
Parties Impacted Scheduled Project Need/Driver & Other Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Cost Estimate Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Notes tribal lands
Level
Columbia - Ancient 13.13 miles of the Columbia – Quincy 115 kV line Grant Mid-C Joint Complete Complete To provide capacity to meet Single System
Lake 115 kV will be reconductored from 556 ACSR to 795 ACSS County Study Group load growth in northwest Project
Reconductor to increase the rating of the line. PUD effort Grant County and
surrounding areas, this
project will obtain a higher
rating and mitigate
reliability criteria violations.
Entiat 115kV Switching Construct 3 breaker ring style 115kV switching Chelan Conceptual Project identified Fall 2014 $2-3 million Load Growth Project delayed Single System
Station station near Entiat. The existing Rocky Reach to County Project for as future need - Project
Chelan Falls 115kV transmission line will be tapped PUD Future Need
with a new 115kV transmission line to serve Entiat
Valley load area.
Larson - Stratford 115 Upgrade 16.14 miles of the Larson – Stratford 115 Grant Nov 2010 This project is needed to New Project Single System
kV Line kV line. County provide a higher rating and Project
PUD mitigate reliability criteria
violations with the
increasing load in the area.
Anderson Canyon Installation of thermal relay on Anderson Canyon - Chelan Complete Included in Spring 2009 $100k Protects line from numerous New Project Single System
Thermal Relay Beverly 115kV line County Sponsers Budget overloads that occur for Project
PUD contingencies. Opens the
line at Summit.
Anderson Canyon Installation of undervoltage relay at Anderson Chelan Plan of Service Included in Fall 2009 $100k Safety net for BSBF New Project Single System
Undervoltage Relay Canyon County Determined Sponsers Budget contingency at Andrew York Project
PUD
Wine Country 230/115 Add substation and 230/115 kV Transformer PAC 2008-09 Load Growth Single System
kV Transformer tapping Midway-Mabton 230 line and serving the Project
Sunnyside and Grandview areas
Northeastern Region Projects
Project
Parties Impacted Scheduled Cost Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Project Need/Driver & Other Notes Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Estimate tribal lands
Level
Benewah – Shawnee This 230 kV line is part of the comprehensive West of Avista Complete Complete The line will add a second 230 kV Capacity
230 kV Line Hatwai (WOH) transmission project. This project source between Avista’s northern Increase Project
involves the construction of a new 230 kV line from and southern transmission
Avista’s Benewah substation to Avista’s Shawnee systems. Additionally Benewah
substation. The line will be approximately 60 miles long 230 kV substation will have 3
and will be constructed with double circuit towers along capacitor banks of 67.1 MVAR
an existing 115 kV line right of way for 40 miles. The each
remaining 20 miles will be constructed along new right
of way. One circuit will be constructed as 230 kV, while
the other circuit will be constructed as 115 kV. The new
230 kV line will be 1590 ACSS conductor.
Benewah 230 kV This 230 kV capacitor bank is part of the comprehensive Avista Complete Complete Load growth and transfers Capacity
Capacitor Bank West of Hatwai (WOH) transmission project. Benewah Increase Project
230 kV substation will have three capacitor banks of
67.1 Mvar each to be energized in October of 2008.
Boundary Installation of a 230/115KV autotransformer in the Seattle under 2009 BPA, SCL and Pend Oreille PUD Existing
Transformer Boundary Switchyard to interconnect to SCL's 115KV City Light, construction have negotiated the Boundary Obligation
replacement with Boundary transmission tap line will also enhanced BPA, Transformer Agreement to allow Project
connection to electric grid reliability. Pend for the cost-effective delivery of
existing 115kV Oreille Article 49 Power and tailwater
transmission line PUD encroachment compensation
from the Boundary Project to the
POPUD via SCL’s Boundary Tap
Line and BPA’s Box Canyon Tap
Line.
Dry Creek – North This project involves resagging the existing line from Avista Complete Complete The line was resagged to meet a Single System
Lewiston 230 kV Avista’s Dry Creek substation to Avista’s North Lewiston 498 MVA (in place of the 684 Project
Reconductor substation. The line is approximately 8 miles in length. MVA) requirement needed to
serve load in the
Lewiston/Clarkston area.
Libby (FEC)-Troy 115 Rebuild the Libby (FEC)-Troy 115 kV line (approximately BPA under 2009 $19 Replacement of aging line Single System
kV Line Rebuild 17 miles) with new single circuit 115 kV conductor. construction million Project
Spokane Area 230 Add a 230/115 kV autotransformer in the Sunset Avista Project identified 2015 To provide capacity to meet load Single System
kV Reinforcement substation area with 230-kV lines to Westside and as future need - growth in the south Spokane area Project with
either Beacon/Boulder 230 kV switching stations possible
impacts
Planned Capacitors 13.42 MVARs @ Grangeville, 13.42 MVARs @ Nez Avista 2008, 2009, Single System
Perce, 6.7 MVARs X 3 @ Lind, 2010 Project
Northeastern Region Projects
Project
Parties Impacted Scheduled Cost Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Project Need/Driver & Other Notes Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Estimate tribal lands
Level
Proposed Capacitors 15 MVARs @Coeur d'Alene, Post Falls, Kettle Falls; 20 Avista Projects 1-5 years new Single System
MVARs in Pullman area (Shawnee); 30 MVARs @ Airway identified as Project
Heights, Hallet and White; 50 MVARs @ Francis and short term need
Cedar
Moscow 230/115-kV Increase Moscow transformer capacity to 250 MVA Avista Project identified 6-10 years new Single System
Upgrade as long term Project
need
Lewiston 10 Year Second Hatwai-Lolo 230 kV line is one solution, Long Avista BPA, IPCO, PAC Project identified 10 years Loss of Hatwai-Lolo and Hatwai- new Needed
Plan range study needed as long term North Lewiston 230 kV lines for
need heavy flows to Walla Walla and
Idaho
Tri-Cities Add a 115 kV bus sectionalizing breaker at White Bluffs BPA Plan of service Included in 2010 $1.4 Load Growth and operational Single System
Reinforcements Substation and reterminate the Richland and DOE B3- determined sponsors budget million flexibility Project
S4 lines.
Tucannon-Walla Rebuild the Tucannon-Walla Walla 115 kV line section BPA Repair aging line Single System
Walla Line Upgrade with new structures and higher capacity conductor. Project
Little Goose Area Add 40 mile 500 kV line from new wind collection BPA Project Depends upon September $99 To serve requests made under New Requested
Reinforcement station to Lower Monumental Substation Committed NEPA 2013 million 2008 Network Open Season Service Project
under Network
Open Season
Walla Walla-McNary PacifiCorp is proposing to build a 230-kV line from PAC and BPA In WECC Phase 1 2012 Transmission Service Requests Requested TCWG
230 kV line Walla Walla to Wallula to McNary/Boardman/Echo Avista Rating process in Service Project
area. Avista is looking to expand this project to TCWG
accommodate requests they have received.
Western Region Projects
Sponsor Project
Parties Impacted Scheduled Project Need/Driver & Other Plan cross
Project Name Description Link to More Detail Project Stage Commitment Cost Estimate Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Notes tribal lands
Level
Lebanon Area Add a 19.6 MVAR, 115 kV shunt capacitor bank at BPA Plan of service Funding 2010 $3 million Load Growth Changed plan from Single System
Reinforcement Lebanon Substation determined approved by 230/115 Transformer
sponsor
I-5 Corridor (SW Construct a new 500 kV line (approx. 70 miles) from BPA PAC Swift Project Depends upon 2015 $300 million Transmission Service Requested I-5 Corridor
Washington - NW Troutdale Substation to the new Castle Rock Troutdale Committed NEPA Requests Service Project Regional
Oregon Reinforcement) substation located approximately 12 miles north of project under Network Planning
Allston Substation on the Paul-Allston No.1 500 kV Open Season Study Team
line.
Pearl – Sherwood 230 PGE and BPA plan to re-terminate the existing double PGE and W ith BPA Project identified 2017 Reliability and Load growth Delay from 2015 Multi-system
kV circuit operating in parallel between BPA’s Pearl BPA as future need - November EOP with only
Substation and PGE’s Sherwood Substation. This will one ColGrid
require two new circuit breakers. When the project is participant
completed, there will be a Pearl-Sherwood #1 230-kV
circuit and a Pearl-Sherwood #2 230-kV circuit.
Chemawa 230/115 kV Add a new 230/115 kV Transformer at Chemawa BPA Project identified 2016 $5 million Load Growth Single System
Transformer Bank Substation as future need -
Cross-Cascades South Station K development connecting Ashe-Marion, BPA PGE, PAC Conceptual Load Growth Multi-system
Buckley-Marion and both John Day-Grizzly lines project for EOP with only
together at a new station where the lines cross is future need one ColGrid
proposed. participant
Carver-McLoughlin 230- PGE plans to construct a second transmission line PGE Completed External Project
kV #2 line from Carver Substation (Carver, Oregon) to their
McLoughlin Substation (Oregon City, Oregon). This
project requires five miles of new 230-kV transmission
line.
Horizon 230/115-kV PGE plans to install a 230/115-kV, 320 MVA auto- PGE Connection to 2010 Project modified to add External Project
transformer transformers at Horizon Substation, located in BPA via Keeler transformer at new
Hillsboro, Oregon. This project requires construction Horizon Substation
of a new 230-kV transmission line from Sunset instead of Sunset
Substation to Horizon (approximately 1 mile).
Blue Lake-Gresham 230- PGE plans to construct a transmission line from Blue PGE Jun 2015 External Project
kV Line Lake Substation (Troutdale, Oregon) to Gresham
Substation (Gresham, Oregon). This project requires
4.2 miles of new 230-kV transmission line.
Swift-Troutdale 230-kV PacifiCorp is proposing to build a new 230-kV line PAC BPA Re-evaluating 2014 External Project
line from Swift Reservoir to Troutdale Substation east of need
Portland.
Western Region Projects
Sponsor Project
Parties Impacted Scheduled Project Need/Driver & Other Plan cross
Project Name Description Link to More Detail Project Stage Commitment Cost Estimate Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Notes tribal lands
Level
Longview-Cowlitz 115kv Create second 115kv connection between BPA Cowlitz BPA Project under 2011 $5 million Reliability and Load growth Updated schedule Single System
#2 Longview and BPA Cowlitz. This will be done by using Construction Project
existing Cowlitz 69kv circuit and converting to 115kv
from BPA Longview through Washington Way and 7th
ave substations and adding tap from 7th Ave to BPA
Cowlitz.
Bakers Corner Create looped feed for Bakers Corner sub by tapping Cowlitz BPA Project under 2010 $150,000 Reliability and Load growth Updated schedule Single System
to BPA Longview to Lexington 115kv. Bakers Corner is study Project
currently radial from BPA Longview
Rogue SVC (South Add a -45 to +50 MVAR, Static VAR Compensator (SVC) BPA under 2009 $9 million Southern Oregon Load Single System
Oregon Coast) at Rogue Substation connected to the 115 kV bus construction growth - needs dynamic SVC Project
control v. static caps.
South Oregon Coast Construct a new 115 kV transmission line to provide a BPA Project under 2015 $30 million Load growth along Single System
Transmission new source to the South Oregon Coast load area study southern Oregon coast Project
Reinforcement
Kalama Energy Construct new 230kv line from BPA Longview to Cowlitz Project under Conceptual 2012-2018 $20 million Single System
Kalama. Line will be needed for either connection of study project for Project
the new Kalama Energy 680 MW gas turbine project future need
and/or to provide for load growth in area.
Allston Shunt Capacitors Add 500-kV shunt capacitor at Allston Substation BPA Not needed with To meet load growth Cancelled from plan
I-5 project projections in greater
Portland load area
Eugene-Albany Rebuild Rebuild a section of the Albany-Eugene 115 kV line BPA Plan of service 2011 To meet load growth Single System
with new structures and higher capacity conductor determined projections and repair aging Project
line
Longiew-Lexington 115 Create a connection between BPA Longview and Cowlitz Under 2013 Reliability and Load growth Addition to Plan Single System
kV line #2 Lexington Stubstations through Cowlitz substations Construction Project
(Mint Farm, Olive Way, 20th and Ocean Beach and
West Kelso).
Longview-Lexington- Create a connection between BPA Longview, Cowlitz Funding 2014 Reliability and Load growth Addition to Plan Single System
Cardwell 115 kv line Lexington, East Kelso and Cardwell substations apporved by Project
through Cowlitz substations with a 115 kV connection sponsor
between East and West Kelso.
Trojan-Horizon 230 kV Provide additional capacity to move Port Westward PGE Impacts to Project under Transmission Service Addition to Plan
line and Beaver generation to Portland load area. South of Allston study Request
Parish Gap Substation Construct a new 230/69 kV substation connected to PAC 2011 Reliability and Load growth Addition to Plan
the Bethel-Fry 230 kV line in the Albany area
Medford 230/115 kV Add a 230/115 kV substation in the White City area PAC Project under Reliability and Load growth Single System
Transformer addition fed from the Grants Pass-Meridian 230 kV line study Project
Eastern Region Projects
Project
Parties Impacted Scheduled Cost Project Need/Driver & Other Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Estimate Notes tribal lands
Level
Lower Valley This is a joint project with BPA, PacifiCorp, and Lower BPA/ PAC/ construction on 2011 $16 Load Growth in Eastern Project delayed from 2010 Multi-system
Reinforcement (Hooper Valley Energy. PacifiCorp will construct Three Mile Lower hold pending million Idaho to 2011 EOP with only
Springs) Knoll - a new 345/138 kV substation. The Goshen- Valley agreement for BPA one ColGrid
Bridger 345 kV line will be looped-into the new Electric portion participant
substation. BPA will construct Hooper Springs - a new
138/115 kV substation. Lower Valley Energy will
construct a new double circuit 115 kV line
(approximately 20 miles) from Hooper Springs to
Lanes Creek/Valley Substations.
COI Reinforcement (4800 This project includes 2-500 kV series capacitor groups BPA Plan of service Funding 2012 $63 Remove nomogram Capacity
MW) added at Bakeoven; 2-500 kV shunt capacitor groups determined approved by million limitations on COI Increase Project
added at Captain Jack; and a 500 kV shunt capacitor sponsor
group added at Slatt substation. This project also
includes upgrading the John Day-Grizzly 500 kV lines
No.1 & 2, and control and communications.
Redmond 230/115 kV Add a second 230/115 kV transformer bank at BPA Plan of service Funding 2011 $12 Load growth in the area Single System Joint studies
Transformer Bank No.2 Redmond substation. determined approved by million w/PAC, BPA
sponsor and Central
Electric Coop
Celilo Upgrades Replace the Celilo controls. BPA Project under Included in 2012 $35 Replace aging control Capacity
study sonsors budget million equipment on DC terminal Increase Project
McNary - John Day Construct a new 500 kV line (approximately 79 miles) BPA Project In permitting December $175 Transmission Service Requested West of
from McNary to John Day Substation Committed process 2012 million Requests Service Project McNary
under Network Regional
Open Season Planning
Study Team
Big Eddy - Knight Construct a new 500 kV line (approximately 29 miles) BPA Project In permitting February $66 Transmission Service Knight Substation was Requested West of
from Big Eddy to a new Knight Station, which Committed process 2013 million Requests formerly called Station Z. Service Project McNary
connects to the Wautoma-Ostrander 500 kV line. (3 under Network Regional
breaker ring bus) Open Season Planning
Study Team
Pilot Butte 500/230 kV Add a 500/230 kV transformer at Pilot Butte or in the BPA PAC Preliminary Project identified 2014 Load growth and loss of the Changed transformer Multi-system
Transformer Bank vicinity. engineering and as future need - existing transformer location from Ponderosa EOP with only
NEPA to Pilot Butte one ColGrid
participant
Eastern Region Projects
Project
Parties Impacted Scheduled Cost Project Need/Driver & Other Plan cross
Project Name Description Sponsor Link to More Detail Project Stage Commitment Changes from Previous Plan Type of Project Study Team(s)
by Project Completion Estimate Notes tribal lands
Level
Sandpiper Substation Add 500 kV Switchyard on the new John Day McNary BPA Project In permitting 2012 Integrate wind generation new project Requested
500 kV line where Ashe-Marion lines cross to Committed process Service Project
integrate wind genertion; also called Mercer Ranch under Network
Open Season
Regional Projects
Project Name Project Stage Project Scheduled
Parties Impacted Project Need/Driver & Other Plan cross
Description Sponsor Link to More Detail Commitment Completion Cost Estimate Changes from Previous Plan Type of Project Study Team(s)
by Project Notes tribal lands
Level
West of McNary Area This project consists of a new 500 kV line BPA Completed Project M-JD: $241 million Transmission Service Knight Substation was ColGrid West
Reinforcement Project (approximately 79 miles) from McNary to John Day WECC Regional Committed December Requests formerly called Station Z. of McNary
Substation and a new 500 kV line (approximately 29 Planning through under Network 2012, BE- Regional
miles) from Big Eddy to a tap point (3 breaker Ring at a ColumbiaGrid Open Season. In Knight: Planning
new station called Knight) along the Wautoma- Study Team, now permitting February Study Team
Ostrander 500 kV line. in Technical process. 2013 and TCWG
Coordination
Work Group
(TCWG)
I-5 Corridor Project (SW This project consists of a new 500 kV line (approx. 70 BPA PAC (Swift Completed Project 2015 $300 million Transmission Service ColGrid I-5
Washington - NW miles) from Troutdale Substation to a Castle Rock Troutdale WECC Regional Committed Requests Corridor
Oregon Reinforcement) Substation located approximately 12 miles north of project, PGE Planning through under Network Regional
Allston Substation on the Paul-Allston No.1 500 kV Trojan-Horizon ColumbiaGrid Open Season. In Planning
line. 230 line Study Team, now permitting Study Team
project) in Technical process. and TCWG
Coordination
Work Group
(TCWG)
Cascade Crossing The Cascade Crossing Project is a 200 mile line from PGE BPA In WECC Rating 2015 Transmission Service Formerly called the TCWG
Project PGE’s Coyote Springs generation plant in the town of process in TCWG Requests Southern Crossing Project.
Boardman, Oregon west to PGE’s Bethel substation in Inservice date delayed
Salem, Oregon where the line will be terminated into a from 2013 to 2015.
new 500/230 kV transformer bank. The new line will
also interconnect with a new substation 72 miles east
of Salem called Juniper Flat which will be the point of
interconnection for new wind generation projects.
The project will also interconnect at the existing
Boardman substation. The proposed rating of the
single circuit 500 kV transmission line is 1500 MW.
Gateway West Project Idaho Power and PacifiCorp are proposing a joint Idaho In WECC Rating 2013 Transmission Service TCWG
project with a double circuit 500-kV line from Jim and PAC process in TCWG Requests
Bridger (Wyoming) to Hemingway substation in the
Boise area. This project is being planned with a 3,000
MW capacity.
Regional Projects
Project Name Project Stage Project Scheduled
Parties Impacted Project Need/Driver & Other Plan cross
Description Sponsor Link to More Detail Commitment Completion Cost Estimate Changes from Previous Plan Type of Project Study Team(s)
by Project Notes tribal lands
Level
Hemingway-Captain In conjunction with the Gateway West project, PAC BPA In WECC Rating 2014 Transmission Service TCWG
Jack Project PacifiCorp is proposing to extend this project from process in TCWG Requests
Hemmingway into southern Oregon with a new 375
mile, 500-kV line to Captain Jack. This line is expected
to add 1,500 MW of capacity to support westside load
growth and increase east to west path capability.
Hemingway - Boardman In conjunction with the Gateway West project, Idaho Idaho BPA, Avista, In WECC Rating 2012 Transmission Service TCWG
Project Power is looking to extend this project from PAC process in TCWG Requests
Hemingway further to the north and west with
possible western terminals at NEO, Boardman or
McNary. The project is intended to provide 1,500 MW
of capacity in both directions.
PG&E Canada - Pacific PG&E is proposing an AC line from Selkirk substation PG&E BPA, PSE, PGE, In WECC Rating 2015 TCWG
Northwest – Northern in SE British Columbia to the Boardman/NEO area, PAC process in TCWG
California Transmission along with an High Voltage DC line from the Boardman
Line Project area to the Tesla/Tracy area in the San Francisco Bay
area. The bi-directional capacity of this line is planned
to be 3,000 MW. Interconnections to this project
have been proposed at Devil's Gap, McNary and
Round Mountain in Northern California.
Devil's Gap In conjunction with the PG&E Canada-NW-Northern Avista BPA In WECC Rating 2015 TCWG
Interconnection to California Project, Avista is proposing an process in TCWG
Canada - PNW – interconnection at Devil’s Gap west of Spokane.
Northern California
Transmission Line
Project
Northern Lights Project Northern Lights Transmission is proposing a High Northern BPA In WECC Rating 2014 TCWG
Voltage Direct Current line beginning at Edmonton, Lights process in TCWG
Alberta and ending near Maupin, Oregon. At least
one intermediate terminal is planned in a location
south of Calgary, near Alberta’s largest wind
development region. The project is planned to be a bi-
directional line with an expected capacity of up to
3,000 MW. This project takes advantage of the
diversities in load and generation between the two
areas.
Juan de Fuca Cable SeaBreeze Pacific is proposing an underwater 550 MW SeaBreez BPA, PSE In WECC Rating TCWG
Project #1 HVDC Light cable from Vancouver Island in BC to the e process
Port Angeles WA area across the Strait of Juan de
Fuca. This project rating is planned to be bi-
directional.
Regional Projects
Project Name Project Stage Project Scheduled
Parties Impacted Project Need/Driver & Other Plan cross
Description Sponsor Link to More Detail Commitment Completion Cost Estimate Changes from Previous Plan Type of Project Study Team(s)
by Project Notes tribal lands
Level
Juan de Fuca Cable SeaBreeze Pacific is proposing an underwater HVDC SeaBreez BPA In WECC Rating TCWG
Project #2 cable from Prince Rupert (Northern BC) to Vancouver e process
Island (SW BC) to Allston substation in NW Oregon
near Ranier to San Francisco Bay area. This project
has a planned capacity of 1600 MW.
Walla Walla-McNary PacifiCorp is proposing to build a 230-kV line from PAC and BPA In WECC Phase 1 2012 Transmission Service TCWG
230-kV line Project Walla Walla to Wallula to McNary area. Avista Rating process in Requests
TCWG
Project Stage ProjectCommitment Tribal Type of Project
Existing Obligation
Conceptual Project Project identified as Project
for future need future need - Yes
Capacity Increase
Project under Project
study; needed this Included in sponsors
planning cycle budget No
Project under Funding approved by Service Request Project
study sponsor
Plan of service Existing Obligation
determined Project with Expanded
siting permits obtained Scope
Agreement by Single System Project
responsible parties
(what to build,
who builds,
schedule, who
pays) under construction
approved by Multi-system EOP with
ColumbiaGrid only one ColGrid
Planning process participant
