APS TenYear Plans 20082017 5th BTA Presentation

1
APS Ten-Year Plans2008-20175th BTA Presentation

• John Lucas
• Manager Transmission Planning
• May 22, 2008

2
APS EHV

OUTER DIVISION
115
/
230
KV
TRANSMISSION PLANS
2008
-
2017
TO
NAVAJO
CRYSTAL
FOUR
CORNERS
MOENKOPI
TO ELDORADO
TO GLEN
SELIGMAN
CANYON
(
WAPA
)
TO MEAD
/
MARKETPLACE
COCONINO
ROUND
2
circuits
(
YAVAPAI
W
A
VERDE
P
A
)
VALLEY
FLAGSTAFF
CHOLLA
FLAGSTAFF
BAGDAD
(
WAPA
)
WILLOW
)
(
APS
LAKE
(
S
2010
R
P
(
)
W
A
P
)
A
A
)
P
DUGAS
A
W
(
CORONADO
2009
TS9/ RACEWAY
PREACHER
GAVILAN
CANYON
2010
PEAK
2010
WEST
PINNACLE
WING
HARQUAHALA
PEAK
LIBERTY
PALO VERDE-
RUDD
HASSAYAMPA
KYRENE
COOLIDGE
JOJOBA
KNOX
VALLEY FARMS
SUNDANCE
REDHAWK
TO
GILA RIVER
/
DESERT
TBD
2011
IMPERIAL
PINAL SOUTH
PANDA
SANTA
BASIN
N.GILA
2011
VALLEY
ROSA
GILA BEND
CASA GRANDE
SE 10
2011
YUCCA
TAT MOMOLI
SAN MANUEL
ORACLE
SAGUARO
JUNCTION
LEGEND
EXISTING
500
KV LINES
ADAMS
EXISTING
345
KV LINES
EXISTING
230
KV LINES
POWER PLANT
EXISTING
115
KV LINES
PLANNED
500
KV LINES
MURAL
NUCLEAR POWER PLANT
PLANNED
230
KV LINES
115
KV

ABOVE SUBSTATION
(
EXISTING
)
230
KV

ABOVE SUBSTATION
(
FUTURE
)
NORTH
Substation locations and line routings depict an
electrical connection only and
do
not
reflect any assumed physical locations or routing
.
3
PHOENIX METROPOLITAN AREA
TRANSMISSION PLANS
To Navajo
2008-2017
To New
To Prescott
Waddell
Raceway/TS9
GAVILAN PEAK
500KV
2010
AVERY
2010
2013
CAREFREE HWY.
TBD
.
W
D
TO
A
R
P

GLEN
500kv
A
A
2012
CANYON
M
J/O
I
(WAPA)
P
TO
CHOLLA
A
P
A
2010
345KV
W
2010
2 - Circuits
2 - Circuits
TS6
Sun Valley
J/O
2012
TBD
2010
2010
TS1/Trilby Wash
2010
2010
TO
.
Y
SRP
SRP
PINNACLE
W
WESTWING
PALO
F
PEAK
7
REACH
1
VERDE
-
I
TBD
2010
TO
SURPRISE
PALO VERDE
LONE PEAK
DEER
TBD
VALLEY
BELL RD.
J/O APS/SRP
CACTUS
.
D
TS2
SUNNYSLOPE
AGUA
R
EL SOL
ALEXANDER

2011
D
FRIA
L
.
E
Y
I
GLENDALE
W
F
F
H
7
1
C
-
I
T
2010
TBD
I
L
MCDONALD RD.
BETHANY HOME RD.
WHITE TANKS
MEADOWBROOK
PALM VALLEY
(APS)
COUNTRY CLUB
I - 10 FWY.
BUCKEYE
W
A
P
A
LIBERTY/TS4
LINCOLN ST.
RUDD
WEST
I - 10 FWY.
PHOENIX
OCOTILLO
SUPERSTITION FWY.
500KV
TO PALO VERDE
.
Y
KYRENE
W
BASELINE RD..
BASELINE RD..
JOJOBA
F
TO BROWNING
0
KNOX
1
500kV
2013
-
230KV SUBSTATION (EXISTING)
(SRP)
APS EXISTING 500KV LINES
I
APS EXISTING 345KV LINES
230KV SUBSTATION (FUTURE)
APS EXISTING 230KV LINES
500kV
UNDERGROUND
GENERATING SITE
TO
230KV SUBSTATION
TO JOJOBA
GILA BEND
APS PLANNED LINES
JOINT OWNSHIP
J/O
Transmission Planning
230KV
TO SANTA ROSA
OTHER COMPANY LINES
345KV
Substations locations and line routings are
approximate
500KV
4
Changes from 2006 to 2008
5
Changes from 2006 to 2008
6
Changes from 2006 to 2008

• Sundance-Pinal South 230 kV New Project - 2011
• Desert Basin-Pinal South 230 kV New Project -
  2011
• SE10 230/69 kV Sub New Project - 2011
• N.Gila-Yucca 230 kV New Project - TBD
• Sun Valley TS9 230kV line New Project - TBD
• SunValley-TS11-Buckeye 230 kV New Project - TBD
• SunValley-TS10-TS11 230 kV New Project - TBD

7
Technical Studies and Stakeholders

• All projects with in service dates have had
  technical studies and are included in the 10 Year
  Plan that has been filed
• Thermal and Post-Transient analysis (all 10
  years)
• Transient Stability analysis (2011 2016)
• RMR Studies
• SWAT studies (N-1-1 and Extreme Contingency)
• All transmission projects with an in-service date
  listed as To Be Determined have not had power
  flow studies performed

8
Technical Studies and Stakeholders

• All projects are included in common, jointly
  built base cases
• Plans are presented to SWAT and WestConnect
• Participation in projects are open to all
  stakeholders
• Project updates are regularly given at SWAT and
  WestConnect meetings
• WECC
• Transmission projects seeking a WECC rating go
  through the WECC 3-phase rating process

9
Technical Studies and Stakeholders

• APS holds regular coordination meetings with SRP
  and WAPA
• Project(s) interconnecting into jointly owned
  facilities undergo interconnection process and
  review by appropriate technical review group
  i.e. WATS
• Plans included in all WECC, WestConnect, and SWAT
  base cases

10
Questions ?