public service company of colorado transmission projects
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Public Service Company of ColoradoTransmission Projects Status
Public Service Company of ColoradoTransmission Projects Status
111
CCPGAugust 18, 2016
Generation
Name Interconnection Owner Net MW Type ISD
Arapahoe 3 (retired) Arapahoe PSCo -44 Coal 2014
Limon 3 Missile Site 345 kV NextEra 200 Wind 2014
Zuni 2 (retired) Zuni PSCo -65 Coal 2015
3
Golden West Jackson Fuller 230 kV Golden West 250 Wind 2015
Hooper 1 San Luis Valley 230 kV Solar Star 52 Solar (PV) 2015
Comanche Solar Comanche 230 kV Comanche Solar 120 Solar (PV) 2016
Cherokee 3 (retired) Cherokee 115kV PSCo -152 Coal 2016
Cherokee 5,6, 7 Cherokee 115kV PSCo 570 Gas (CC) 2016
Rush Creek Missile Site 345 kV PSCo 600 Wind 2018
Rush Creek Generation Project
►CPUC Rule 3660►600 MW of New Wind Generation►90 Miles of 345 kV Transmission►PSCo-Owned►Interconnect at Missile Site►In-Service Date: 2018►Need Pawnee – Daniels Project►Filed with the Commission on May 13, 2016
►PUC decision made to combine Rush Creek and Pawnee –Daniels Park proceedings
►System Impact Study currently underway
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►CPUC Rule 3660►600 MW of New Wind Generation►90 Miles of 345 kV Transmission►PSCo-Owned►Interconnect at Missile Site►In-Service Date: 2018►Need Pawnee – Daniels Project►Filed with the Commission on May 13, 2016
►PUC decision made to combine Rush Creek and Pawnee –Daniels Park proceedings
►System Impact Study currently underway
New Substations
► 2016► Happy Canyon (IREA
Wholesale Load)► Cloverly (Pleasant Valley –
Retail Load)► 2019
► Husky (New Ault)► Graham Creek (New Eaton)
► 2022► Beebe Draw (LaSalle
Replacement)► TBD
► Box Elder Replacement► Reliability:
► Bluestone Valley
► Distribution► Avery (2017)► Moon Gulch (2017)► Thornton (2018)► Barker (2021)
► Conceptual► New Castle (TBD)► Wilson (TBD)
► Need may be replaced by City ofLoveland’s new Foothills substation
► Titan► Formerly Sterling Ranch TBD - 2020
► Dove Valley► Formerly Surrey Ridge TBD - 2020
► High Point► Formerly Pena Station TBD - 2020
► Stock Show► Formerly National Western TBD -
2026► Superior TBD - 2026► Sandy Creek TBD - 2026
► 2016► Happy Canyon (IREA
Wholesale Load)► Cloverly (Pleasant Valley –
Retail Load)► 2019
► Husky (New Ault)► Graham Creek (New Eaton)
► 2022► Beebe Draw (LaSalle
Replacement)► TBD
► Box Elder Replacement► Reliability:
► Bluestone Valley
► Distribution► Avery (2017)► Moon Gulch (2017)► Thornton (2018)► Barker (2021)
► Conceptual► New Castle (TBD)► Wilson (TBD)
► Need may be replaced by City ofLoveland’s new Foothills substation
► Titan► Formerly Sterling Ranch TBD - 2020
► Dove Valley► Formerly Surrey Ridge TBD - 2020
► High Point► Formerly Pena Station TBD - 2020
► Stock Show► Formerly National Western TBD -
2026► Superior TBD - 2026► Sandy Creek TBD - 2026
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New TransmissionPlanned► 2016
► Rifle – Parachute 230 kV #2► DCP Lucerne 2 – Cloverly 115 kV
► 2018► Rush Creek – Missile Site 345 kV
► 2019► Ault – Cloverly 230/115 kV► Pawnee – Daniels Park 345 kV
► 2021► Gilman – Avon 115 kV
► 2022► Weld – Rosedale 230 kV► Milton – Rosedale 230 kV
Conceptual► San Luis Valley► Glenwood – Rifle Upgrade► Parachute – Cameo 230 kV► Lamar – Front Range► Weld County Expansion (Greeley –
East)► Hayden – Foidel – Gore Pass 230 kV
Loop
Planned► 2016
► Rifle – Parachute 230 kV #2► DCP Lucerne 2 – Cloverly 115 kV
► 2018► Rush Creek – Missile Site 345 kV
► 2019► Ault – Cloverly 230/115 kV► Pawnee – Daniels Park 345 kV
► 2021► Gilman – Avon 115 kV
► 2022► Weld – Rosedale 230 kV► Milton – Rosedale 230 kV
Conceptual► San Luis Valley► Glenwood – Rifle Upgrade► Parachute – Cameo 230 kV► Lamar – Front Range► Weld County Expansion (Greeley –
East)► Hayden – Foidel – Gore Pass 230 kV
Loop
Denver/Boulder
# Project Comments ISD* Drivers1 Moon Gulch
SubstationProposed new Distribution Substation in eitherthe City of Arvada or Jefferson County to servedistribution loads
2017 Distribution
2 Pawnee – DanielsPark 345 kVTransmission Line
Add an additional 345 kV line between thePawnee and Daniels Park substations.
2019 Reliability
3 Cherokee-Arvada-Ridge230kVConversion
Convert the existing 115kV line between theCherokee and Ridge substations to a 230kVline.
2016 ReliabilityandDistribution
4 ThorntonSubstation
New substation in Thornton to serve distributionloads. Replaces the Brantner Substationproject.
2017 Distribution44Thornton
Moon Gulch
8*All project in-service dates subject to change
DENVERDENVER
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ThorntonSubstation
New substation in Thornton to serve distributionloads. Replaces the Brantner Substationproject.
5 Barker Substation New Substation in Denver Area to servedistribution load growth in Historic Ballpark Area
2021 Distribution11
44Moon Gulch
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22
# Project Comments ISD* Drivers
1 Monfort – Cloverly 115 kV Radial load serving 115 kV line to retail Customer facility 2016 Load Growth
2 Avery Substation New distribution substation to serve loads in the area 2017 Distribution
3 Southwest WeldTransmission Project(SWEP)
Participate with Tri-State Project to improve reliability,increase load-serving and resource injection capability
2018 ReliabilityLoad GrowthResource
4 Milton–Rosedale 230 kV New line from Rosedale Substation to Milton SubstationCombined with Weld – Rosedale 230kV line creates 230kVbackbone south of Greeley.
2022 ReliabilityLoad Growth
5 Ault – Cloverly 230/115kVSubs:Husky, Graham Ck.
New line from Ault Substation to Cloverly Substation.Create new substations near PSCo Ault and Eaton to move44 kV loads to higher voltage.
2019 ReliabilityLoad GrowthResource
Foothills/Greeley Area
77
4488
5511
9*All project in-service dates subject to change
Ault – Cloverly 230/115kVSubs:Husky, Graham Ck.
New line from Ault Substation to Cloverly Substation.Create new substations near PSCo Ault and Eaton to move44 kV loads to higher voltage.
ReliabilityLoad GrowthResource
6 Weld – Rosedale 230 kVBeebe Draw Substation(LaSalle Upgrade)
New line from Rosedale Substation to Ault Substation.Build a new 230 kV substation (Beebe Draw) to replace theexisting 44kV La Salle Substation.Combined with Milton – Rosedale 230kV to create 230kVbackbone south of Greeley.
2022 ReliabilityLoad Growth
7 Weld County Expansion High voltage transmission from Ault to Greeley TBD ReliabilityResource
8 Wilson Substation New 115kV substation to serve distribution loads. Thisproject will tap PRPA’s 115kV Horseshoe – Westtransmission line
TBD Distribution
9 Box Elder Replacement Convert 44kV Box Elder Substation to a 115kV substation toservice growing loads in the area. Might tie into SWEP
TBD Load Growth
33Rosedale
664488
99
# Project Comments ISD* Drivers
1 Grand Jct 138/115kV Replace 50 MVA TX with 100MVA TX
2016 Reliability
2 Bluestone ValleySubstation
New 230/69 kV transformer atBluestone. New 4 mile 69 kV linefrom Bluestone to Debeque
TBD Reliability
3 Rifle–Parachute 230 kVLine
New, second 230 kV line betweenRifle and Parachute
2016 Load GrowthReliability
4 Hayden – Foidel – GorePass 230kV Loop
loop Hayden-Gore Pass 230kVline into Foidel Creek Substationcreating a Hayden-Foidel Creek230kV Line #2 and a FoidelCreek-Gore Pass 230kV line.
TBD Reliability
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Western Slope / Mountain Area
8899
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loop Hayden-Gore Pass 230kVline into Foidel Creek Substationcreating a Hayden-Foidel Creek230kV Line #2 and a FoidelCreek-Gore Pass 230kV line.
5 Glenwood-Rifle 69 to115kV
Replace existing Glenwood-Rifle69 kV transmission system with115 kV system
TBD Reliability
6 Gilman–Avon 115kVLine
New 10-mile 115kV line in EagleCounty for reliability and alternatesource to Holy Cross customers
2021 Reliability
7 Parachute – Cameo230kV Line
New 230 kV line from theParachute substation to Cameosubstation
TBD Reliability
8 New Castle Substation Construct a new 115 kVsubstation to service Distributionloads in New Castle
TBD Distribution
9 Wolcott Reactor Install 40 MVAR reactor atWolcott.
2017 Reliability
3322
*All project in-service dates subject to change
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11
6677
8899
Rifle – Parachute 230kV Project Line #2
►Purpose►Serve anticipated load growth (electric-driven
compressors) in the Piceance Basin►Description
►20 mile 230kV line►Electrically parallel to existing 230kV line
►Status►Filed CPCN in Dec 2012►CPCN Granted Feb 2013►ISD - 2016
►Purpose►Serve anticipated load growth (electric-driven
compressors) in the Piceance Basin►Description
►20 mile 230kV line►Electrically parallel to existing 230kV line
►Status►Filed CPCN in Dec 2012►CPCN Granted Feb 2013►ISD - 2016
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# Project Comments ISD* Drivers
1 IREA HappyCanyon
Construct a new 115 kV substationfor IREA
2016 WholesaleCustomer
South Denver/CO Springs Area
14*All project in-service dates subject to change
PSCo Public PolicySenate Bill 07-100
►Designate “Energy Resource Zones (ERZ)”►Develop plans for the construction or expansion of
transmission facilities necessary to deliver electric powerconsistent with the timing of the development of beneficialenergy resources located in or near such zones
►Consider how transmission can be provided to encouragelocal ownership of renewable energy facilities
►Submit proposed plans, designations, and applications forcertificates of public convenience and necessity to thecommission
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►Designate “Energy Resource Zones (ERZ)”►Develop plans for the construction or expansion of
transmission facilities necessary to deliver electric powerconsistent with the timing of the development of beneficialenergy resources located in or near such zones
►Consider how transmission can be provided to encouragelocal ownership of renewable energy facilities
►Submit proposed plans, designations, and applications forcertificates of public convenience and necessity to thecommission
Senate Bill 100 Project ListItem Project Zone In Service Date* Project Status
Planned
1. Missile Site 230kVSwitching Station
2 Nov 2010 In ServiceNo CPCN Required
2. Midway-Waterton 345kVTransmission Project
3,4,5 Jun 2011 In ServiceCPCN: July 2009
3. Missile Site 345kVSwitching Station
2 October 2012 In serviceCPCN: June 2010
4. Pawnee-Smoky Hill 345kVTransmission Project
1 June 2013 IN ServiceCPCN: Feb 2009
5. Pawnee-Daniels Park 345kVTransmission Project
1 2019 CPCN: April 2015
16*All project in-service dates subject to change
5. Pawnee-Daniels Park 345kVTransmission Project
1 2019 CPCN: April 2015
Conceptual
6. Lamar-Front Range 345kVTransmission Project
2, 3 TBD Studies Complete.No plans for full build-out at this time
7. Lamar-Vilas 230kVTransmission Project
3 TBD See Lamar – Front Range
8. Weld County Expansion Project 1 TBD Studies Ongoing
9. San Luis Valley 4 2022 OngoingCCPG – SLV Subcommittee
Pawnee to Daniels Park► Cost $178million► Purpose:
► Resource Accommodation,SB 07-100
► Infrastructure:► 124-mile transmission from
Pawnee Substation toDaniels Park Substation andfrom Smoky Hill Substationto Daniels Park Substation
► CPCN Approved► PSCo filed “Petition for
Variance” for ISD of Fall 2019► PUC Decision:
► Project combined with RushCreek
► Local Permitting Underway
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► Cost $178million► Purpose:
► Resource Accommodation,SB 07-100
► Infrastructure:► 124-mile transmission from
Pawnee Substation toDaniels Park Substation andfrom Smoky Hill Substationto Daniels Park Substation
► CPCN Approved► PSCo filed “Petition for
Variance” for ISD of Fall 2019► PUC Decision:
► Project combined with RushCreek
► Local Permitting Underway
PSCo Regulatory ActivitiesRule 3627
PSCo Regulatory ActivitiesRule 3627
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PSCo Regulatory ActivitiesRule 3627
PSCo Regulatory ActivitiesRule 3627
Zinn Photography/Courtesy of SunEdison
CPUC Rule 3627► Requires Regulated Utilities to File Transmission Report
► 10-Year Plan, 20-Year Scenario; 2-year cycle► Black Hills, Tri-State, Public Service
► Use CCPG as Forum► Proactive Stakeholder Participation► Report Filed February 2016► Proceeding Consolidated with SB07-100► Comments Received from OCC and IEA► ALJ Assigned; Ruled that Evidentiary Hearing Necessary► Schedule: ??► Goal: Ruling of Adequacy
► Requires Regulated Utilities to File Transmission Report► 10-Year Plan, 20-Year Scenario; 2-year cycle► Black Hills, Tri-State, Public Service
► Use CCPG as Forum► Proactive Stakeholder Participation► Report Filed February 2016► Proceeding Consolidated with SB07-100► Comments Received from OCC and IEA► ALJ Assigned; Ruled that Evidentiary Hearing Necessary► Schedule: ??► Goal: Ruling of Adequacy
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6800
6900
7000
PSCo Peak Demand
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6300
6400
6500
6600
2010 2011 2012 2013 2014 2015 2016 2017
PSCo Peak Demand
Patrick Corrigan(303) 571-2747
Patrick.M.Corrigan@xcelenergy.comTom Green
(303) 571-7223Thomas.Green@xcelenergy.com
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Patrick Corrigan(303) 571-2747
Patrick.M.Corrigan@xcelenergy.comTom Green
(303) 571-7223Thomas.Green@xcelenergy.com
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