Southwestern Public Service Co. (SPS) Transmission Customer Meeting - PowerPoint PPT Presentation

Southwestern Public Service Co. (SPS) Transmission Customer Meeting November 16, 2017

DISCUSSION TOPICS FOR TODAY • Xcel Energy & SPS System Overviews • Completed 2016 & 2017 Projects • 2018 and Beyond Projects • SPP’s Integrated Transmission Planning – A Summary • Transmission Line Ratings • New Modeling Standards • Dynamic Load Modeling • Questions and Adjourn 2

SYSTEM MAPS Xcel Energy SPS Northern Northern States Power States Power Co. Wisconsin Co. Minnesota (NSPW) (NSPM) Public Service Southwestern Co. of Public Service Colorado Co. (SPS) (PSCo) 3

Area Construction Overview 4

2016-2017 TRANSMISSION SYSTEM ADDITIONS

BOWERS - HOWARD (W-67/Y-62) 6 40 miles, mixed 115/69 kV, completed Jan 2016

OCHILTREE - LIPSCOMB (W-50) 7 20 miles, 115 kV, completed April 2016

WHEELER – COBURN CREEK (W-78) 13 miles, 115 kV, completed June 2016 8

CURRY - BAILEY (W-69) 9 38 miles 115 kV, completed Oct 2016

CARDINAL – SAGE BRUSH (W89) 19 miles, 115 kV, completed Dec 2016 10

PCA-QUAHADA (W76) 11 13 miles, 115 kV, completed Feb 2017

WOOD DRAW – CHINA DRAW (W84) 12 14 miles, 115 kV, completed Jun 2017

CUSTER – PONDEROSA (W81) 11 miles, 115 kV, completed Jun 2017 13

CARLISLE - WOLFFORTH (K-99) 13 miles, 230 kV, completed Dec 2017 14

2016/2017 PROJECT COMPLETION UPDATE  Grassland Intg. 230/115 kV Upgrade – ISD Feb 2016  Puckett West Breaker Additions– ISD March 2016  Happy Intg. 115/69 kV Autos Upgrade – ISD April 2016  Deaf Smith Intg. –230/115 kV Transformer Upgrades – ISD May 2016  Potash Junction 230/115 KV Auto Upgrade– ISD April 2016  Roadrunner 115 kV Static Var Controller (SVC) Addition – ISD April 2016  China Draw 115 kV Static Var Controller (SVC) Addition – ISD June 2016  Hitchland 345 kV Line Reactor Relocations – ISD April 2016  Andrews Co. Substation – Add 2 230/115 kV 168 MVA Autos – ISD May 2016  Andrews Co. Sub. – NEF Substation 115 kV line – ISD May 2016  Randall Co – Canyon West Sub 115 kV Reconductor – ISD May 2016  Atoka Sub and Eddy-Seven Rivers 115 kV Line - ISD Sept 2016  Cardinal Substation Project – ISD Oct 2016  Curry County 115 kV Bus Rebuild – ISD Dec 2016  Hobbs Gen – Higg 115 kV Line Tap and tap to Bensing Substation – ISD May 2017  Custer Mountain 115 kV Substation – ISD May 2017  Ponderosa Substation – ISD June 2017 15

ACTIVE and FUTURE PROJECTS

ROSWELL 115 kV LOOP 17 24 miles, 115 kV, estimated ISD Jan 2018

NE HEREFORD – LA PLATA 115 kV Project 18 8 miles, 115 kV, estimated ISD Jan 2018

PORTALES 115 kV LOOP 14 miles, 115kV, Estimated ISD Feb 2018 19

HOBBS – CHINA DRAW 345 kV PROJECT 20 90 miles, 345 kV, estimated ISD June 2018

CARPENTER – SUNFLOWER HARBINGER 345 kV PROJECT J07 Kansas Colorado J07 Oklahoma 30 mi Texas 21 345 kV substation, interconnect with Sunflower, estimated ISD June 2018

COCHRAN – WHITEFACE 69 kV (115 kV) 22 4.5 miles, 115 kV const, oper 69 kV, estimated ISD 1 st qtr 2019

MUSTANG - SHELL CO2 SUBSTATION 9 miles115 kV, estimated ISD Nov 2019 23

TUCO-YOAKUM-HOBBS 345 kV PROJECT 24 168 miles, 345 kV, estimated ISD Jun 2020

MUSTANG - SEMINOLE 115 kV LINE PROJECT 69kV Line 115kV Line New Line 230kV Line Non Xcel Energy Line S S 9 Y9 5 K5 S S K6 K5 S 9 6 V8 S MUSTANG T5 Y9 T5 S 0 S S INTG S 7 9 6 Y9 5 S 17 Miles 115 kV Est ISD 6/2021 (17mi.) New 115kV Line T8 S S 9 W11 9 K6 Y9 8 S W33 S W1 1 S S S S SEMINOLE S INTG S S W1 6 W1 3 Mi 1 2 3 4 5 W1 S S S 25 0 4

BAILEY – NEW AMHERST- LAMB 115 kV PROJECT 48 miles, 115 kV, estimated ISD Mar 2022 26

SE New Mexico Projects Map 27

Power for the Plains Website http://www.powerfortheplains.com/ • Project descriptions • Routing maps, when available • General project information 28

QUESTIONS?