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APS/SRP Stakeholder Meeting For Transmission Planning FERC Order 890 OATT Attachment K (APS Attachment E)

APS/SRP Stakeholder Meeting For Transmission Planning FERC Order 890 OATT Attachment K (APS Attachment E). SRP Transmission Planning APS Transmission Planning Phoenix, Arizona December 18, 2009. Agenda. Welcome, Introductions, and Stakeholder Meeting Overview

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APS/SRP Stakeholder Meeting For Transmission Planning FERC Order 890 OATT Attachment K (APS Attachment E)

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  1. APS/SRP Stakeholder MeetingFor Transmission PlanningFERC Order 890 OATT Attachment K(APS Attachment E) SRP Transmission Planning APS Transmission Planning Phoenix, Arizona December 18, 2009

  2. Agenda Welcome, Introductions, and Stakeholder Meeting Overview Status of Action Items-6/05/09 Joint APS/SRP 2nd Quarter Public Planning Meeting SRP Planning SRP Planning Calendar & Methodology SRP Proposed Ten-Year Plan Review Interconnection Requests and Transmission Service Requests Requests Received for Economic Planning Studies Stakeholders invited to submit requests for additional transmission studies Comments/Questions APS Planning APS Planning Calendar & Methodology Draft 2010-2019 Ten-Year Year Plan APS Transmission Projects for Renewable Generation APS 2009/2010 Study Assumptions and NERC/WECC Reliability Studies Interconnection Requests, Transmission Service Requests, and Requests Received for Economic Planning Studies Stakeholders invited to submit requests for additional transmission studies Comments/Questions TEPPC Economic Studies Activity Stakeholder Questions/Comments Action Items December 18, 2009 APS & SRP 4th Quarter Stakeholder Meeting 2

  3. Welcome • Introductions • Meeting Overview APS & SRP 4th Quarter Stakeholder Meeting

  4. 2. Status of Action Items • No Action Items APS & SRP 4th Quarter Stakeholder Meeting

  5. 3.a SRP Planning - Calendar & Methodology WECC/TEPPC/SWAT Planning Calendar SRP Planning Calendar Assumptions and Methodology Types of Studies Performed Proposed 2010–2019 Ten Year Plan APS & SRP 4th Quarter Stakeholder Meeting 5

  6. APS & SRP 4th Quarter Stakeholder Meeting 6

  7. APS & SRP 4th Quarter Stakeholder Meeting 7

  8. APS & SRP 4th Quarter Stakeholder Meeting 8

  9. 3.a 2010-2019 Study Assumptions/Methodology Coordinated Base Cases (Seed Cases) 2009 Summer Operating case 2013 - WestConnect 2013 coordinated case 2019 - CATS-EHV 2018 coordinated case 69kV transmission models incorporated Most up-to-date forecasts for peak summer loads APS & SRP 4th Quarter Stakeholder Meeting 9

  10. NERC Compliance Studies Cases 2010 & 2015 Summer Peak & Offpeak Cases 2010 & 2015 Simultaneous Import Limit (SIL) & Maximum Load Serving Capability (MLSC) Cases Summer Peak & Offpeak cases Thermal analysis Post-Transient Transient Stability 3.a 2010-2019 Study Assumptions/Methodology APS & SRP 4th Quarter Stakeholder Meeting 10

  11. SIL & MLSC Cases (Phx) Thermal and Post-Transient 3.a 2010-2019 Study Assumptions/Methodology APS & SRP 4th Quarter Stakeholder Meeting 11

  12. Planning Methodology APS & SRP 4th Quarter Stakeholder Meeting

  13. Planning Methodology APS & SRP 4th Quarter Stakeholder Meeting

  14. 3.bSRP Ten Year Plan Projects2010-2019 Proposed APS & SRP 4th Quarter Stakeholder Meeting 14

  15. 2014 FUTURE 500kV SUBSTATION 2020 2014 2016 TBD 2011 TBD 2011 EXISTING 500kV SUBSTATION EXISTING LINES FUTURE LINES NAVAJO GS MOENKOPI YAVAPAI CHOLLA(APS) MARKETPLACE DUGAS (APS) MORGAN(APS) 2010 MEAD SUGARLOAF (APS) Sun Valley (APS) 2014 McCULLOUGH NEVADA PINNACLE PEAK (APS) 2010 WESTWING CORONADO PALO VERDE RUDD HASSAYAMPA TBD JOJOBA RS20 TBD KYRENE TBD TBD 2014 BROWNING SILVERKING SANTA ROSA 2014 ABEL 2020 PINAL WEST 2014 2011 (TBD, place holder for CATS only, no current SRP plans) PINAL CENTRAL 2014 NORTH GILA (APS) SUNZIA (SPG) SAGUARO Central New Mexico 2014 2013/2014 TORTOLITA (TEP) SALT RIVER PROJECT500kV SYSTEM APS & SRP 4th Quarter Stakeholder Meeting

  16. 2011: • Browning-Pinal Central 500kV (it will be energized as Randolph-Browning 230kV until 2014) 2014: • Delany-Sun Valley 500kV • Hassayampa-N.Gila 500kV line • Pinal West-Pinal Central 500kV • Pinal Central 500/230kV substation 2016: • Sun Valley-Morgan 500kV 2020: • Pinal Central-Abel #2 500kV SALT RIVER PROJECT500kV SYSTEM APS & SRP 4th Quarter Stakeholder Meeting

  17. TBD DOUBLE CIRCUIT, PHASE TIED LINE PINNACLE PEAK THUNDERSTONE GOLDFIELD SALT RIVER PROJECTEASTERN 230kV SYSTEM ROGERS TBD BROWNING SANTAN To CORBELL TBD RS17 TBD 2018 DINOSAUR 2017 RS21 TBD TBD To SCHRADER TBD TO SILVER KING RS24 TBD 2011 2018 2018 RS20 TO SILVER KING TBD LOOP IN TBD 2017 TBD TBD ABEL/RS22 RS23 2011 TBD EXISTING 230kV CIRCUIT 2011 RANDOLPH SWITCHYARD FUTURE 230kV CIRCUIT DESERT BASIN 2011 EXISTING 230kV SUBSTATIONS PINAL CENTRAL 2014 2014 FUTURE 230kV SUBSTATIONS 2014 GENERATING STATION CATSHV03 TBD APS & SRP 4th Quarter Stakeholder Meeting

  18. 2011: • Dinosaur-Abel-Randolph 230kV 2014: • Desert Basin-Pinal Central 230kV line • Pinal Central - Randolph 230kV line • RS26 230/69kV substation 2017: • Abel-Schrader 230kV 2018: • Abel-Santan 230kV • RS24 230/69kV substation SALT RIVER PROJECTEASTERN 230kV SYSTEM APS & SRP 4th Quarter Stakeholder Meeting

  19. TBD DOUBLE CIRCUIT, PHASE TIED LINE SALT RIVER PROJECTWESTERN 230kV SYSTEM TO W.A.P.A.PINNACLE PEAK TO APSPINNACLE PEAK SRPPINNACLE PEAK W.A.P.A. WESTWING TBD DEERVALLEY(APS) RS26 2014 W.A.P.A. PAPAGO ALEXANDER W.A.P.A. AGUAFRIA BRANDOW THUNDERSTONE To GOLDFIELD WHITETANKS TBD ROGERS RUDD TBD WARD TO APSOCOTILLO ORME LIBERTY(W.A.P.A.) SANTAN CORBELL To BROWNING KYRENE ANDERSON KNOX RS17 SCHRADER TBD EXISTING 230kV CIRCUIT FUTURE 230kV CIRCUIT To RS24 EXISTING 230kV SUBSTATIONS FUTURE 230kV SUBSTATIONS APS & SRP 4th Quarter Stakeholder Meeting GENERATING STATION

  20. DETAIL SUPERIOR 115KV SUPERIOR 230KV FUTURE SUBSTATION EXISTING LINE FUTURE LINE ROOSEVELT MORMONFLAT HORSEMESA FRAZIER STEWARTMOUNTAIN TOSILVER KING500kV SILVERKING 230 TBD(230kV) PINTOVALLEY MIAMI GOLDFIELD TBD MOONSHINE 230kV 115kV PINAL TOTHUNDERSTONE CARLOTTA CARREL SPURLOCK ELLISON TBD(230kV) OAKFLAT TRASK SEE DETAIL RS20 TBD(230kV) 230kV TBD KNOLL SUPERIOR RAY MORRIS KEARNY TBD HAYDEN BONNEYBROOK (APS) NEW HAYDEN TBD ASARC0 TO APACHE(AEPCO) COOLIDGE(W.A.P.A.) SALT RIVER PROJECTEASTERN MININGAREA SYSTEM EXISTING SUBSTATION APS & SRP 4th Quarter Stakeholder Meeting GENERATING STATION

  21. Electric System Additions/Upgrades APS & SRP 4th Quarter Stakeholder Meeting

  22. Summary Status Project I/S Status Study Forum Hassayampa – Pinal West 500kV 2008 Complete Yes CATS/ CATS HV/WATS/SEV E&O/ WECC SRWG, TSS Pinal West – Browning 500kV 2011, 2014 Des/ ROW Yes CATS/CATS HV/WATS/SEV E&O/ WECC SRWG, TSS Desert Basin – Pinal Central 230kV 2014 Des Yes CATS HV/WECC SRWG, TSS Pinal Central – Southeast Valley 230kV 2011 Des Yes CATS HV RS24 230kV Transmission Project 2018 Siting Yes RS26 Transmission Project 2014 Pre Siting Yes APS & SRP 4th Quarter Stakeholder Meeting

  23. SRP Changes from 2009 to 2010 500kV Projects • 2010 Morgan – Pinnacle Peak Formerly Raceway – Pinnacle Peak • 2013/2014 SunZia Project Delayed from 2013 • 2014 Pinal West – Pinal Central Delayed from 2013 • 2014 Tortolita – Pinal Central Delayed from 2013 230kV Projects • 2014 Desert Basin – Pinal Central 230kV Delayed from 2013 • 2017/2018 RS24 230kV Transmission Project Delayed from 2013 APS & SRP 4th Quarter Stakeholder Meeting

  24. 3. SRP Planning – Transmission Projects for Renewable Generation • Pinal West – Pinal Central 500kV line • Pinal Central – Tortolita 500kV line • Palo Verde – Delany 500kV line APS & SRP 4th Quarter Stakeholder Meeting

  25. APS & SRP 4th Quarter Stakeholder Meeting

  26. 3. SRP Planning - Study Requests • Generation Interconnection Requests • Transmission Interconnection Requests • Transmission Service Requests • Economic Study Requests APS & SRP 4th Quarter Stakeholder Meeting

  27. 3.c. SRP Planning – Study Requests Generation Interconnection Requests listed below are for SRP solely owned transmission: 4 Natural Gas projects - 2516 MW 2 Wind projects - 900 MW The joint interconnection requests are listed on SRP OASIS website @ http://www.oatioasis.com/SRP/index.html APS & SRP 4th Quarter Stakeholder Meeting

  28. 3.c. SRP Planning - Study Requests • Currently there are no Transmission Interconnection Requests under study APS & SRP 4th Quarter Stakeholder Meeting

  29. 3.c. SRP Planning - Study Requests • Currently there are no Transmission Service Requests under study APS & SRP 4th Quarter Stakeholder Meeting

  30. 3.d. SRP Planning - Study Requests • Currently there are no Economic Study Requests • TEPPC Economic Studies Activity are covered at the end of the presentation. APS & SRP 4th Quarter Stakeholder Meeting

  31. 3.e. Stakeholders Requests • SRP invites Stakeholders to submit request for additional transmission studies APS & SRP 4th Quarter Stakeholder Meeting

  32. 3.f. SRP Planning – Comments & Questions • Stakeholder comments/questions on 2009 Study Results or 2010 Study Requests • Requests can be made at any time to: • SRP.TransmissionPlanning@srpnet.com APS & SRP 4th Quarter Stakeholder Meeting

  33. 4.a. APS Planning Calendar & Methodology WECC/TEPPC/WestConnect Planning Calendar APS Planning Calendar Planning Process/Methodology December 18, 2009 APS & SRP 4th Quarter Stakeholder Meeting 33

  34. December 18, 2009 APS & SRP 4th Quarter Stakeholder Meeting 34 34

  35. 35 December 18, 2009 APS & SRP 4th Quarter Stakeholder Meeting

  36. December 18, 2009 APS & SRP 4th Quarter Stakeholder Meeting 36

  37. 4.b. APS Ten Year Plan Projects 2010-2019 Draft Transmission Plan (Filing due no later than Jan. 29, 2010) December 18, 2009 APS & SRP 4th Quarter Stakeholder Meeting 37

  38. 2009 (In-Service): Dugas & Sugarloaf 500/69kV substations Milligan 230/69kV substation 2010: Morgan 500/230kV substation 2011: Morgan-Pinnacle Peak 500kV line 2012: Palo Verde-Delany 500kV line 2013: Flagstaff 345/69kV substation TS12 230/69kV substation Mazatzal 345/69kV substation 2014: Delany-Sun Valley 500kV line Hassayampa-N.Gila 500kV line D. Basin-Pinal Central 230kV line Sundance-Pinal Central 230kV line Bagdad 115kV relocation 2016: Sun Valley-TS9 500kV line APS & SRP 4th Quarter Stakeholder Meeting

  39. APS & SRP 4th Quarter Stakeholder Meeting

  40. 2010: • Morgan-Raceway 230kV 2011: • Raceway-Pinnacle Peak 230kV 2014: • TS6 230/69kV substation • Sun Valley-Trilby Wash 230kV 2015: • Trilby Wash-Palm Valley 230kV December 18, 2009 APS & SRP 4th Quarter Stakeholder Meeting 40

  41. APS & SRP 4th Quarter Stakeholder Meeting 41

  42. 2014: • Palo Verde Hub-North Gila 500kV #2 line • North Gila-TS8 230kV line December 18, 2009 APS & SRP 4th Quarter Stakeholder Meeting 42 42

  43. Project Timing Changes APS & SRP 4th Quarter Stakeholder Meeting

  44. 4.c. APS Planning – Transmission Projects for Renewable Generation 1) Palo Verde to Delany 500kV 2) Palo Verde to North Gila 500kV 3A) Palo Verde to Valley Load (Liberty) 3B) Gila Bend to Valley Load (Liberty) 4) Delany to Blythe 500kV APS & SRP 4th Quarter Stakeholder Meeting

  45. APS & SRP 4th Quarter Stakeholder Meeting

  46. 4.d. 2009/2010 Study Assumptions • Coordinated Base Cases (Seed Cases) • 2010 - 2009 Summer Operating case • 2013 - WestConnect 2013 coordinated case • 2019 - CATS-EHV 2018 coordinated case • 69kV transmission models incorporated • Most up-to-date forecasts for peak summer loads APS & SRP 4th Quarter Stakeholder Meeting

  47. Summer Peak cases TPL-001 & TPL-002 Thermal analysis (All 10 years) Post-Transient (All 10 years) Transient Stability (2013 & 2018) TPL-003 & TPL-004 (2013 & 2018) Maximum Load Serving Capability for Phx & Yuma (All 10 years) TPL-001 & TPL-002 Thermal and Post Transient Winter Load cases (2013 & 2019 WECC cases) Thermal, Transient Stability, & Post Transient TPL-001 thru TPL-004 4.d. 2009 NERC/WECC Reliability Studies APS & SRP 4th Quarter Stakeholder Meeting 47

  48. 2009 NERC/WECC Studies 48 48 48 December 18, 2009 APS & SRP 4th Quarter Stakeholder Meeting

  49. 2009 NERC/WECC Studies December 18, 2009 49 49 49 APS & SRP 4th Quarter Stakeholder Meeting

  50. Summer Peak cases TPL-001 & TPL-002 Thermal analysis (All 10 years) Post-Transient (All 10 years) Transient Stability (2013 & 2019) TPL-003 & TPL-004 (2013 & 2019) Maximum Load Serving Capability for Phx & Yuma (All 10 years) TPL-001 & TPL-002 Thermal and Post Transient Winter Load cases (cases unknown at this time) Thermal, Transient Stability, & Post Transient TPL-001 thru TPL-004 4.d. 2010 NERC/WECC Reliability Studies December 18, 2009 APS & SRP 4th Quarter Stakeholder Meeting 50 50

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