Avista BPA, IPCO, PAC Project identified as long term need. Project Committed under Network Open Season. Plan of Service Determined

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1 Name Region In Ten Year Plan? by Link to More Detail Stage Commitment Need/Driver & Other A1 Bronx-Cabinet 115 kv Rebuild Northeastern Yes 5, 10 ColGrid SA Rebuild/reconductor Bronx-Cabinet 115 kv Avista Committed project 2016 $10 M with Type of Study (s) A2 Benton-Othello 115 kv Line Upgrade Northeastern Yes 5, 10 ColGrid SA Rebuild Benton-Othello 115 kv Avista Committed project 2016 $10 M with A3 Westside 230 kv Substation rebuild and transformer upgrades Northeastern Yes 5, 10 ColGrid SA Westside 230 kv Substation rebuild and transformer upgrades Avista Committed project 2016 $15 M A4 Irvin - Spokane Valley Transmission Reinforcements Northeastern Yes 5, 10 ColGrid SA New Irvin-IEP 115 kv transmission and reconductor Beacon-Boulder and Opportunity Tap 115 kv s Avista Committed project 2016 $5 M Spokane Area 230 kv Reinforcement Northeastern ` Avista identified as 2015 Load Growth in the south Spokane area with Lewiston 10 Year Plan Northeastern Second Hatwai-Lolo 230 kv is one solution, long range study needed Avista, IPCO, PAC identified as long term need 10 years Loss of Hatwai-Lolo and Hatwai-North Lewiston 230 kv s for heavy flows to Walla Walla and Idaho Needed B1 B10 Big Eddy - Knight 500 kv and Knight Substation Columbia 230 kv Bus Section Eastern Yes All WECC RP Construct a new 500 kv (approximately 29 miles) from Big Eddy to a new Knight Station, which connects to the Wautoma-Ostrander 500 kv. (3 breaker ring bus) Central Washington Yes 5, 10 ColGrid SA Add a series bus section breaker at Columbia 230 kv substation Committed under Network Open Season Determined Under Construction 2015 $124 M Transmission Service delayed due to cultural and land acquisition issues Service 2016 $1.0 M Load service, West of McNary Regional Planning B11 Alvey 500 kv Shunt Reactor Yes 5, 10 ColGrid SA Add 180 MVAR Shunt Reactor at Alvey for voltage con Committed 2015 Delayed from 2014 B12 John Day-Big Eddy 500 kv #1 Line Reconductor Eastern Yes 5, 10 ColGrid SA Upgrade the John Day-Big Eddy 500 kv #1 Line plan of service Committed 2016 $6 M B13 Keeler 230 kv Bus Section Yes All ColGrid SA Install a 230 kv bus sectionalizing break at Keeler between bays #4 and #5 to balance the sources and loads at Keeler. Committed 2014 $2.6 M Local load growth B14 Raver 500/230 kv transformer and a 230 kv to Covington Substation. Yes 5, 10 ColGrid PSAST Add a 500/230 kv transformer at Raver and a 230 kv terminal at Raver for a Raver-Covington 230 kv., SCL identified in Utilities have negotiated cost al 2016 $45 M in area B15 Longview-Lexington 230 kv Line Re-termination into Longview Annex Yes 5, 10 ColGrid SA This project involves re-terminating the Committed 2015 $2 M Local load growth Longview-Lexington 230 kv to the Longview Annex

2 Name Region In Ten Year Plan? by Link to More Detail Stage Commitment Need/Driver & Other Type of Study (s) B16 La Pine Reactive Eastern Yes All ColGrid SA Add a 19 MVAR, 115 kv shunt capacitor and 40 MVAR, 230 kv shunt reactor at La Pine Substation Committed Committed 2014 $3.3 M and system delayed from 2012 B17 Big Eddy 230/115 kv Transformer #1 Replacement Eastern Yes 5, 10 ColGrid SA Replace Big Eddy 230/115 kv transformer #1 plan of service Committed 2015 B17 Celilo Terminal Replacement (PDCI Upgrade to 3220 MW) Eastern Yes 10 WECC RP Celilo Terminal Replacement (PDCI Upgrade to 3220 MW). Replace aging DC terminal and upgrades to accommodate 3220 MW rating Committed 2017 $450 M Replace aging equipment Delayed from 2016 B18 McNary 230 kv Shunt Capacitors (2 x 150 MVAR banks) Eastern Yes 5, 10 ColGrid SA Add 2 groups of 230 kv 150 MVAR shunt capacitors at McNary plan of service Committed 2014 $5.7 M Voltage support and generation integration moved up from 2015 B18 McNary 500/230 kv Transformer #2 Eastern Yes 5, 10 ColGrid SA Add a second 500/230 kv transformer at McNary (1428 MVA) and 230 kv bus section breaker PAC plan of service Under Study 2017 $18.5 M Reliable Generation Interconnection B19 Rogue Static VAR Compensator Yes 5, 10 ColGrid SA Add a -45 to +50 MVAR, Static VAR Compensator (SVC Construction 2014 $9 M Southern Oregon load growth - needs dynamic SVC control v. static caps. Delayed from 2013 B2 Bell 230 kv Bus Section Northeastern yes 5, 10 ColGrid SA Add series Bus section at Bell 230 S1-S2 to mitigate BSB failures AVA Committed 2015/16 $1 M Local load growth and New B20 Paul 500 kv Shunt Reactor Yes 5, 10 ColGrid SA Add 500 kv 180 MVAR Shunt Reactor Committed 2016 $6 M Maintain voltage schedules B21 Tacoma 230 kv Bus Section Yes 5, 10 ColGrid SA Add a series bus section breaker at Tacoma 230 kv substation, TPWR under study 2016 $1 M Load service, Capacity increase, B22 Schultz-Raver 500 kv Series Capacitors Yes 10 ColGrid SA This project includes adding 500 kv series capacitors (30-40%) to the Schultz-Raver 500 kv s No.3 & 4 to serve growing loads in the area under study $35 M in and Transmission Service Delayed from West of Cascades Study B23 Santiam-Chemawa 230 kv Line Upgrade Yes 5, 10 ColGrid SA Upgrade Santiam-Chemawa 230 kv to higher capacity PGE Committed 2015 $1.0 M local load service Moved up from 2016,

3 Name Region In Ten Year Plan? by Link to More Detail Stage Commitment Need/Driver & Other Type of Study (s) B24 Kalispell 115 kv Shunt Capacitors (2 x 16 MVARs) Northeastern Yes All ColGrid SA Add 115 kv Shunt Capacitors (two groups of 16 MVARs) Energized?? 2014 $3.1 M Local load growth and New B25 North Bonneville-Troutdale 230 kv #2 Line Re-termination Yes 5, 10 ColGrid SA This project involves re-terminating the North Bonneville-Troutdale 230 kv into a different bus position at North Bonneville Substation Committed 2015 $2.1 M Local load growth B25 Troutdale 230kV Bus Section Breake Yes 5, 10 ColGrid SA Add another breaker in series with the existing bus sec Committed 2018 $1.0 M and load growth B26 Walla Walla - Pendleton 69 kv Line Upgrade Northeastern Yes All ColGrid SA 2014 $2.1 M B3 Central Ferry-Lower Monumental 500 kv Line Northeastern Yes 5, 10 WECC RP Add 40 mile 500 kv from new wind collection station called Central Ferry to Lower Monumental Substation Funding for NEPA and preliminary engineering is Committed under NOS 2015 $99 M To serve requests made under 2008 Network Open Season Service B4 Ostrander Addition Yes 5, 10 ColGrid SA Add a new 500 kv breaker in bay 5 at Ostrander for the Troutdale #1 B5 Castle Rock - Troutdale 500 kv Line (I-5 Corridor Reinforcement ) Yes 10 WECC RP Construct a new 500 kv (approx. 70 miles) from Troutdale Substation to the new Castle Rock Substation located approximately 12 miles north of Allston Substation on the Paul-Allston B7 Pearl 500 kv Addition Yes 5, 10 ColGrid SA Construct a new Pearl 500 kv bay #6 and reterminate the Ostrander-Pearl 500 kv into the new bay (double breaker, double bus) PGE Committed 2015 $2.4 M System Delayed from 2014, PGE, PAC, CCP, Clark Funding for NEPA and preliminary engineering is committed under NOS Depends upon NEPA $342 M Transmission Service Service Committed 2016 $1.7 M Local load growth, B7 Pearl 230 kv Bus Section Yes 5, 10 ColGrid SA Add another breaker in series with the existing bus sec Committed 2017 $1.5 M and load growth I-5 Corridor Regional Planning Study B8 Franklin 115 kv Capacitors Central Washington Yes All ColGrid SA Franklin 115 kv 52 MVAR capacitor addition Energized?? 2014 $3.7 M Voltage Support and load growth B9 Monroe 500 kv Capacitors Yes All ColGrid SA Monroe 500 kv 316 MVAR Shunt capacitor bank Committed 2014 $5.6 M Service to Load area and System changed from 2016 Delayed from 2013, Olympia 230/115 kv Transformer Ba Add a new 230/115 kv Transformer at Olympia Substa Conceptual for 2021 $7 M with Shelton-Fairmount-Port Angeles Area Construct a new double circuit 230 kv (approximately 60 miles) between Shelton and Fairmount Substations, to create Shelton-Fairmount 230 kv No. 4 & 5 Conceptual for 2022 $21.5 M Fairmount-Port Angeles #2 230 kv Upgrade Fairmount-Port Angeles #2 230 kv Conceptual for Only if non-wires project fails Port Angeles 230 kv bus and Transformer Develop breaker and half 230 kv yard at Port Angeles and add second 230/69 kv transformer Funded Only if non-wires project fails 2014 $15 M and System Olympia-Shelton 230 kv #5 Reconductor 7.25 miles of Olympia-Shelton #5 from Olympia to Olympia-Satsop corridor with Deschutes conductor Conceptual for Kitsap-South Bremerton 115 kv Construct second Kitsap-South Bremerton 115 kv or Foss Corner options Conceptual for

4 Name Region In Ten Year Plan? Kitsap 230 kv yard Develop breaker and half 230 kv yard at Kitsap for Shelton-South Bremerton and Kitsap-Foss Corner s. Expand Northern Intertie RAS Extend the Northern Intertie RAS to trip for the combined outage of the Chief Joseph-Monroe and Monroe-SnoKing-Echo Lake 500 kv s Monroe-Novelty 230 kv Upgrade by Link to More Detail Stage Conceptual for Increase capacity of Monroe-Novelty 230 kv under study identified in Commitment Utilities have negotiated cost al, other options being considered Need/Driver & Other 2018 $3 M Load service, Capacity Increase,, prevent curtailment of firm transfers Type of Study (s) Ashe 500/115 kv Transformer Central Washington Add a 500/115 kv transformer at Ashe with a tapp Conceptual for Fut identified as Sacajawea 115 kv Tie Line Central Washington Construct a 115 kv (0.5 mile) from Sacajawea Substation to tap the Ice Harbor- Franklin 115 kv #3 Committed 2015 $3 M Hatwai 230 kv Bus Section Northeastern Add 230 kv bus section breaker at Hatwai Substation under study 2015 $4.2 M and system Montana to Washington Northeastern This project is proposed to meet a portion of the 2010 NOS requests. Upgrades to the Montana to Northwest and West of Hatwai paths is proposed without any new AVA and other Colstrip Owners Under Study 2015 $115 M Committed under NOS Service Garrison-Ashe Northeastern This project is proposed to meet the full capacity of th AVA Conceptual None Meet 2010 NOS Service Cross-Cascades South Station K development connecting Ashe-Marion, Buckley-Marion and both John Day-Grizzly s together at a new station where the s cross. PGE, PAC Conceptual project for 2020 Multi-system EOP with only one ColGrid participant West of Cascades Study South Oregon Coast Transmission Reinforcement Rebuild Bandon-Rogue 115 kv or construct a new 115 kv transmission to provide a new source to the South Oregon Coast load area still under consideration?? along southern Oregon coast Forest Grove Loop-in of the Tillamoo Loop the Keeler-Tillamook 115 kv into Forest Grov Committed 2013 $2.135 M Local load growth Delayed from 2012 Lane 230 kv Bus Section Addition Add 230 kv Sectionalizing at Lane substation under study Bonanza 230/115 kv Substation Eastern Add a 230/115 kv Bonanza Substation in the Prineville area PAC under Study 2014 B6 Lower Valley Reinforcement (Hooper Springs) CO1 Longview-Lexington #2 Upgrade From 69 kv to 115 kv Eastern Yes 5, 10 ColGrid SA This is a joint project with, PacifiCorp, and Lower Valley Energy. PacifiCorp will construct Three Mile Knoll - a new 345/138 kv substation. The Goshen-Bridger 345 kv will be looped into the new substation. will construct Yes 5, 10 ColGrid SA Create a connection between Longview and Lexington Substations through Cowlitz Substations (Mint Farm, Olive Way, 20th and Ocean Beach and West Kelso). / PAC/ Lower Valley Electric Cowlitz will replace 115 kv construction on hold pending agreement Funding approved by sponsor 2015 $48 M in eastern Idaho Multi-system EOP with only one ColGrid participant $4.9 M and load growth Moved up from CO1 Longview-Lexington-Cardwell Upgrade From 69 kv to 115 kv Yes 5, 10 ColGrid SA Create a connection between Longview, Lexington, East Kelso and Cardwell Substations through Cowlitz Substations (with a connection by rebuilding old 69kV Lines for 115kV with 1272 AAC from East Kelso to West Kelso to the 115kV Line feeding Olson Rd to Lexington BKR B1466). CO2 South Cowlitz County Yes 5, 10 ColGrid WST Build a new 115 kv Line from Cowlitz' Lewis River Sub to PAC Merwin 115 kv Sub. Source Cowlitz' Ariel Sub on new Line. Reconductor 115 kv back to Cowlitz' North Woodland Sub Cowlitz will replace 115 kv Cowlitz PacifiCorp. Cowlitz is in discussion with PAC, Agreement being finalized Funding approved by sponsor $10.1 M and load growth 2018 $7.7 M Local load growth and needed voltage/ support,

5 D1 Name Region In Ten Year Plan? Cowlitz-Lexington-Cardwell 115 kv Line Create a connection between Cowlitz, East Kelso, Lexington, and Cardwell Substations through Cowlitz Substations (with a connection by rebuilding old 69kV Lines for 115kV with Kalama Energy Construct new 230 kv from Longview to Kalama. Rapids-Columbia 230 kv Line and Columbia Terminal Central Washington Yes 5, 10 ColGrid NMCST Build new Rapids-Columbia 230 kv Douglas, Grant, Chelan, Green Line Northeastern This project is a 100 mile extension of the MATL project to connect to the Colstrip Transmission. This project will provide access to the Mid- Columbia Hub (up to 1000 MW Capacity). Cowlitz by Link to More Detail Stage New BKR at East Kelso, New BKR at 7th Ave Commitment Funding approved by sponsor Cowlitz under study Conceptual project for Enbridge Douglas, Grant, Chelan, Colstrip Transmission Owners Routing, design Feasibility State s committed, cost al complete Need/Driver & Other Type of and load growth Abandoned, delete $20 M To connect the new Kalama Energy 346 MW gas turbine project and/or to provide for load growth in area scheduled to 2016 energization 2016 $23.25 M and transfers Time extended for environmnetal studies Transmission Service No Study (s) Northern Mid- Columbia Study Group G1 Rocky Ford - Dover 115 kv Line Central Washington Yes 5, 10 ColGrid SA Construct 115 kv Rocky Ford-Dover 115 kv Grant Mid-Columbia Area Central Washington Upgrade Wanapum-Midway 230 kv in Grant Reinforcement, Phase 2 central WA. I1 Hemingway - Boardman 500 kv Line P1 Fry 115 kv Capacitors MVAr (2 20 MVARs, 2 30MVARs) Eastern Yes 10 WECC RP In conjunction with the Gateway West project, Idaho Power is looking to extend this project from Hemingway Substation further to the north and west to the Boardman Substation. Idaho/PAC/B PA, Avista, PAC In WECC Rating Process Yes All ColGrid SA 2x20 MVARs and 2x30 MVARs PAC $5 M Increase transmission system Delayed from 2016 identified as 2024, new wind Delayed from 2017 generation plants and transfers of generation out phase $840 M of the area Capacity increase Delayed P2 Snow Goose 500/230 kv Transformer (On Captain Jack - KFalls Cogen 500 kv Line) Yes 5, 10 ColGrid SA New 500 kv substation tapping PAC's Captain Jack to Klamath Co-Gen 500 kv. The 230 kv construction will included looping the existing Klamath Falls to J.C. Boyle 230 kv into the new substation. PAC under study Under study 2017 Name change from previous plan, P3 Vantage-Pomona Heights 230 kv Line (Short Route) Central Washington Yes 5, 10 ColGrid SA Vantage-Pomona Heights 230 kv #2 Line in the Yakima area. PAC, Grant 2018 in Yakima area Delayed from 2015 External NTAC P6 Whetstone 230/115 kv Transformer Yes 5, 10 ColGrid SA Add a 230/115 kv substation in the Medford area fed from the Grants Pass-Meridian 230 kv PAC 2015 and load growth delayed from 2014 P7 Table Mountain 500/230 kv Transformer (On Dixonville - Meridian 500 kv Line) Yes 5, 10 ColGrid SA New 500/230 kv substation tapping PAC's Meridian to Dixonville 500 kv. 230 kv construction will included looping the existing Grants Pass to Meridian 230 kv into the new substation as well as construction of a new 230 kv transmission for the new substation to the existing Grants Pass 230 kv Substation. PAC Preliminary Study Under study 2019 Name change from previous plan, Wallula-McNary 230 kv Northeastern A new 230 kv from Wallula to the McNary () PAC In WECC Rating Process 2017 Transmission Service Delayed from 2013 Service Lookingglass Substation New Lookingglass Substation on Dixonville- Reston 230 kv PAC not in our 10-yr plan and load growth delayed beyond planning horizon

6 P4 Name Region In Ten Year Plan? Union Gap 230/115 kv Transformer #3 by Link to More Detail Stage Commitment Need/Driver & Other Central Washington Yes 5, 10 ColGrid SA Add third 230/115 kv transformer at Union Gap PacifiCorp 2017 ` Delayed from 2013 No Type of Study (s) PG1 Troutdale East - Blue Lake - Gresham 230 kv Line Yes 5, 10 ColGrid SA Construct a transmission from Blue Lake Substation (Troutdale, Oregon) to Gresham Substation (Gresham, Oregon). This project requires 4.2 miles of new 230 kv transmission. Rebuild the existing Blue Lake - Troutdale 230 kv circuit to a double circuit steel monopole and construct a second circuit from Blue Lake to Troutdale. PGE 2018 External PG2 Horizon Phase II Yes 5, 10 ColGrid SA Install a second bulk power transformer at Horizon substation. Install a new 4.4 mile 230 kv section from Horizon substation to Springville Junction. The new segment will tie into the existing St Marys- Trojan 230 kv circuit, creating a Horizon-St Marys- PS1 Trojan - Sewell 230 kv Line This project consists of a new Trojan-Sewell 230 kv and Sewell 230/115 kv transformer. This project is the result of a merchant request and will provide the capacity needed to integrate proposed generation near Port Westward and Pearl Sherwood and McLoughlin-Pearl-Sherwood 230 kv Line Reconfiguration PGE and plan to re-terminate the existing double circuit operating in parallel between s Pearl Substation and PGE s Sherwood Substation. In addition, PGE will re-terminate at Cascade Crossing The Cascade Crossing is a 200 mile 500 kv from PGE s Coyote Springs generation plant in the town of Boardman, Oregon west to PGE s Bethel Substation in Salem, Oregon where Alderton 230/115 kv Transformer in Pierce County Yes 5, 10 ColGrid SA A new 230/115 kv transformer at Alderton Substation in central Pierce County with a new 230 kv from White River. PGE Committed 2018 and load growth PGE PGE and PGE, PAC, Impacts to South of Allston ssingproject.com/ Cancelled 2017 A strategic investment to increase transmission capacity for future generation projects and local load-service. Conceptual project for Formerly called Horizon Phase II delayed $2.7M delayed beyond ten-year planning horizon Cancelled $ M Transmission service request Cancelled sponsor's budget 2016 $28 M Load service, Capacity Increase, delayed from 2014 Multi-system EOP with only one ColGrid participant, PS2 Woodland-Gravelly Lake 115 kv Line Yes 5, 10 ColGrid SA Add new Woodland-Gravelly Lake 115 kv Design and Construction Committed 2018 $13 M PS3 Eastside : Lakeside 230/115 kv Transformer and Sammamish-Lakeside-Talbot Line Rebuilt to 230 kv West Kitsap Transmission Phase II Yes 5, 10 ColGrid PSAST Rebuild the Sammamish-Lakeside-Talbot 115 kv s and energize one at 230 kv and install a new 230/115 kv transformer at Lakeside. Installation of 230/115 kv transformer at Foss Corner Substation along with a 230 kv from Foss Corner to the future Kitsap 230 kv Substation, SCL identified in Conceptual for Utilities have negotiated cost al 2018 $65-$80 M Load service, Capacity Delayed from 2017 Increase,, prevent curtailment of firm transfers 2018 Provide additional capacity to serve projected load growth in Kitsap County with Thurston County transformer capacity (St Clair) A new 230/115 kv transformer at Saint Clair Substation in Thurston County with a looped transmission interconnection to 's Olympia - South Tacoma 230 kv. IP conversion to 230 kv Convert 's 115 kv "IP" to 230 kv between Wind Ridge Substation and Lake Tradition Substation in King County to increase cross-cascade capacity and interconnect Kittitas County wind projects Conceptual for East King County Transformer Capacity (Lake Tradition) This project involves looping the Maple Valley- Sammamish #1 230 kv into 's Lake Tradition Substation and installing a new 230/115 kv transformer. - loop through of owned and leased 230 kv Concepual for sponsor's budget Completed $30 M Load service, Capacity Increase, in and generation integration, related to North Cross Cascades Improvements $13 M Load service, Capacity Increase,, Capacity West of Increase Cascades Study, s Sedro-Woolley-Bellingham #4 115 kv Reconductoring Sedro-Woolley-Bellingham #4 115 kv Design and Construction 2018 $14 M Load service,

7 Name Region In Ten Year Plan? by Link to More Detail Stage Commitment Need/Driver & Other Type of Study (s) Bellingham Substation Rebuild Construct a new breaker and a half 115 kv substation under study identified as 2019 $20 M Replace aging infrastructure (existing Bellingham Sub) and increase system White River Bus Improvements Add 2nd 115 kv Bus Section breaker at White River (230 kv bus completed) Design and Construction $0.6 M Talbot 230 kv Bus Improvements Berrydale 230 kv Transformer Addition Improve 230 kv bus at Talbot: Terminate new 230 kv from Lakeside. Revise 230 kv protection. This will be a phased process to construct a double bus double breaker configuration. Install second 230/115 kv transformer at Berrydale Substation. - Talbot - Maple Valley #1 and #2 230 kv s under study Conceptual for identified as (to $11 M Maintenance and/or repairs, accommodate the new to Lakeside) $8 M Load service, Capacity increase, Christopher 230 kv Substation Develop Christopher 230 kv Substation: loop Covington-Tacoma 230 kv into Christopher, construct a 230 kv bus with the - Covington Tacoma #2,3,4 230 kv s Conceptual for identified as $20 M Load service, Capacity increase, PS4 Portal Way 230/115 kv Transformer Yes 5, 10 ColGrid PSAST Construct a new 230 kv from Custer Substatio, identified in PSASTUtilities negotiating cos2018 $25 M Capacity increase SC2 Denny Substation (Phase 1) Yes 5, 10 ColGrid PSAST New 225 MVA substation in the north SCL Design Budgeted 2017 $180 M Load service and System downtown Seattle area. Loop existing East Pine- Broad 115 kv. SC2 Upgrade Denny Substation Transmission SC2 Denny - Broad and Massachusetts - Union - Broad 115 kv Series Inductors Yes 10 ColGrid PSAST New transmission from Massachusetts Substation to Denny Substation (built at 230 kv, operated at 115 kv). Yes 5, 10 ColGrid PSAST Add 6 ohm inductors on Denny - Broad and Massachusetts - Union - Broad 115 kv underground cables SCL Conceptual Design identified as 2020 $50 M Load service and System SCL, Preliminary Design Budgeted 2017 $13 M Load service, Capacity Increase,, Prevent curtailment of firm transfers, Identified in Single-System Single-System SC3 Delridge-Duwamish 230 kv Line Reconductor Yes 5, 10 ColGrid PSAST Reconductor Delridge - Duwamish 230 kv Line with high temperature low sag conductor SCL, Preliminary Design Budgeted 2017 $2 M Load service, Capacity Increase,, Prevent curtailment of firm transfers, Identified in SC1 Bothell-Snoking 230 kv Double Circuit Line Reconductor Yes 5, 10 ColGrid PSAST Reconductor SCL portion of Bothell-SnoKing 230 kv #1 and #2 with high temperature low sag conductor, and rebuild portion of Bothell-SnoKing 230 kv #1 and #2 SCL, Preliminary Design Budgeted 2017 $3 M Load service, Capacity Increase,, Prevent curtailment of firm transfers, Identified in SN1 SN3 SN4 Beverly Park 230/115 kv Transformer Swamp Creek 115 kv Switching Station Reconfigure Navy-Everett- Kimberly Clark Yes 5, 10 ColGrid PSAST Rebuild the existing 115 kv switching station and add one 230/115 kv 300 MVA transformer at Beverly Park. An existing 115 kv from to Yes 5, 10 ColGrid PSAST Construct a four breaker 115 kv switching station with a ring bus arrangement. This switching station will terminate 115 kv s Yes 10 ColGrid SA Reconfigure Navy-Everett-Kimberly Clark to Navy-Kimberly Clark and Everett-Kimbely Clark is in the design and construction Phase Budgeted 2016 $25 M and expected local deficiency in Paine Field and Everett areas Budgeted 2018 $6 M South County area load growth and expected deficiencies. This Committed 2021 $5 M Load service and capacity needs New, SN5 Turner-Woods Creek 115 kv Line Yes 10 ColGrid SA Build a new Turner-Woods Creek 115 kv for new distribution substations Committed 2020 $25 M Load service and capacity needs New Additional capacity for the North County area ColGrid PSAST North County 230/115 kv Transformer Addition Cou under study identified as fut2021 in North County area New, Cowlitz Substation 230 kv Bus Improvement. Modify the bus section breaker arrangement at Cowlitz Substation to eliminate single point of failure of bus section breaker. Tacoma Power Conceptual for Pending Budget Approval $3 M The purpose of this project is to increase system and operational flexibility Delayed from Rocky Reach-Columbia #2 230 kv UpCentral Washington Yes All Up-rate the Rocky Reach-Columbia #2 230 kv to CHPD In Progress In Progress 12/12/2014 Operations New No 100C MOT Rocky Reach-Chelan #1 115 kv Up-r Central Washington Yes All Up-rate the Rocky Reach-Chelan #1 115 kv to 75C MOT CHPD In Progress In Progress 6/1/2015 Operations New No Rocky Reach 230/115 kv Autotransf Central Washington Yes All Replace Rocky Reach 230/115 kv autotransformers #1 and #2 with a single 333 MVA transformer - labeled #2 CHPD In Progress In Progress 6/1/2015 Equipment replacement New No