Transcript Document 7365997

ARIZONA CORPORATION
COMMISSION
Fourth Biennial Transmission Assessment
Workshop
June 6, 2006
SWTC Ten Year Plan Presentation
2006-2015
Bruce Evans
Regional/System Planning
Overview of SWTC
 6 Member-owners
 107,579 Retail Customers
 2005 Member Peak Load:
556.3 MW
 SWTC’s transmission
assets include 613.4 miles
of transmission lines and
21 substations to serve the
Member load
 WAPA is SWTC’s Control
Area Provider
JANUARY FILING
CHANGES
 SWTC filing states: “Changes of any significance
that occur prior to the next Ten Year Plan filing, will
be discussed with Commission staff.”
 Since SWTC’s filing in January, a few significant
changes have occurred; predominantly to meet
Member system load growth.
 Consequently, an amended filing will made to the
Commission by mid-June.
JANUARY FILING
CHANGES
115 kV Projects
2007 Red Rock to Saguaro
Delayed to 2008. Red
Rock now called
“Naviska.”
2008 Valencia to CAP Blk Mtn
Delayed to 2011
2010 Sandario to Bopp 115 kV
Delayed to 2012. Bopp
now called “San
Joaquin.”
JANUARY FILING
CHANGES
115 kV Projects
2013 Red Rock to Picture Rocks
Scope change – name
change and new project
2013 Picture Rocks to Twin Peaks
In-service date changed
to 2012
JANUARY FILING
CHANGES
New Projects
2007 Hackberry 230/69 kV Substation
2008 Gordon Sloan 230/69 kV Substation
2009 Naviska to Thornydale 115 kV Line
2011 Thornydale to CAP Twin Peaks 115 kV Line
JANUARY FILING
CHANGES
New Projects
2012 Sandario to CAP Brawley 115 kV Line
2013 Adonis 115/24.9 kV Substation
2014 New Tucson 230/24.9 kV Substation
2015 Camino de Manana 115/24.9 kV Substation
ORACLE
SAGUARO
SAN
MANUAL
APS
WAPA
TO
SPRINGERVILLE
(TEP)
TO
HAYDEN
GREENLEE
APS
PHIL YOUNG
(TEP)
WA
THORNYDALE
PA
MORENCI
RATTLESNAKE
MARANA
WA
TUCSON
PA
CAP
TWIN PEAKS
BRAWLEY
AVRA
DOS CONDADOS
WINCHESTER
DEL BAC
BLACK MTN
P
CAP
SANDARIO
THREE
POINTS
TE
VALENCIA
TO
WESTWING
VAIL
TEP
REDTAIL
EXISTING SYSTEM
SWTC
SUBSTATION
BICKNELL
SAHUARITA
PANTANO
BUTTERFIELD
APACHE GENERATING
STATION
OTHER'S
SUBSTATION
345 kV
230 kV
115 kV
ORACLE
SAGUARO
TO
SPRINGERVILLE
(TEP)
TO
HAYDEN
SAN
SADDLEBROOKE
RANCH APS MANUAL
GREENLEE
APS
WAPA
PHIL YOUNG
(TEP)
THORNYDALE
WA
PA
MORENCI
RATTLESNAKE
MARANA
WA
PA
TUCSON
CAP
TWIN PEAKS
BRAWLEY
AVRA
DOS CONDADOS
WINCHESTER
DEL BAC
TEP
BLACK MTN
CAP
SANDARIO
THREE
POINTS
VALENCIA
TO
WESTWING
VAIL
TEP
REDTAIL
2006 SYSTEM
SWTC
SUBSTATION
BICKNELL
SAHUARITA
PANTANO
BUTTERFIELD
APACHE GENERATING
STATION
OTHER'S
SUBSTATION
345 kV
230 kV
115 kV
SADDLEBROOKE
RANCH
APS
ORACLE
SAGUARO
TO
HAYDEN
SAN
MANUEL
APS
WAPA
MORENCI
GREENLEE
THORNYDALE
TO
PHIL
YOUNG
W
AP
A
RATTLESNAKE
WAPA
HACKBERRY
MARANA
CAP
TO PHIL YOUNG
TWIN PEAKS
AVRA
WINCHESTER
BRAWLEY
TO SPRINGERVILLE
TUCSON
TEP
DEL BAC
BLACK MTN
DOS CONDADOS
CAP
SANDARIO
THREE
POINTS
VALENCIA
TO
WESTWING
REDTAIL
TEP
VAIL
PROPOSED
SUBSTATION
2007 SYSTEM
SWTC
SUBSTATION
OTHER'S
SUBSTATION
BICKNELL
SAHUARITA
PANTANO
BUTTERFIELD
APACHE GENERATING
STATION
345 kV
230 kV
115 kV
SADDLEBROOKE
RANCH
APS
ORACLE
SAGUARO
WAPA
TO
HAYDEN
SAN
MANUEL
APS
MORENCI
NAVISKA
GREENLEE
THORNYDALE
TO
PHIL
YOUNG
W
AP
A
RATTLESNAKE
WAPA
HACKBERRY
MARANA
CAP
TO PHIL YOUNG
TWIN PEAKS
AVRA
WINCHESTER
BRAWLEY
TO SPRINGERVILLE
TUCSON
TEP
DEL BAC
DOS CONDADOS
BLACK MTN
CAP
SANDARIO
THREE
POINTS
REDTAIL
TEP
VALENCIA
TO
WESTWING
VAIL
PROPOSED
SUBSTATION
2008 SYSTEM
SWTC
SUBSTATION
OTHER'S
SUBSTATION
BICKNELL
SAHUARITA
PANTANO
GORDON BUTTERFIELD
SLOAN
APACHE GENERATING
STATION
345 kV
230 kV
115 kV
ORACLE
SAGUARO
SADDLEBROOKE
RANCH
APS
WAPA
TO
HAYDEN
SAN
MANUEL
APS
MORENCI
NAVISKA
GREENLEE
TO
PHIL
YOUNG
THORNYDALE
W
AP
A
RATTLESNAKE
WAPA
HACKBERRY
MARANA
CAP
TO PHIL YOUNG
TWIN PEAKS
AVRA
WINCHESTER
BRAWLEY
TO SPRINGERVILLE
TUCSON
SAN
JOAQUIN BLACK MTN
TEP
DEL BAC
DOS CONDADOS
CAP
SANDARIO
THREE
POINTS
REDTAIL
TEP
VALENCIA
TO
WESTWING
VAIL
PROPOSED
SUBSTATION
2009 SYSTEM
SWTC
SUBSTATION
OTHER'S
SUBSTATION
BICKNELL
SAHUARITA
PANTANO
GORDON BUTTERFIELD
SLOAN
APACHE GENERATING
STATION
345 kV
230 kV
115 kV
ORACLE
SAGUARO
SADDLEBROOKE
RANCH
APS
WAPA
TO
HAYDEN
SAN
MANUEL
APS
MORENCI
NAVISKA
GREENLEE
THORNYDALE
TO
PHIL
YOUNG
W
AP
A
RATTLESNAKE
WAPA
HACKBERRY
MARANA
CAP
TO PHIL YOUNG
TWIN PEAKS
AVRA
WINCHESTER
BRAWLEY
TO SPRINGERVILLE
TUCSON
SAN
JOAQUIN BLACK MTN
TEP
DEL BAC
DOS CONDADOS
CAP
SANDARIO
THREE
POINTS
REDTAIL
TO
WESTWING
TEP
VALENCIA
VAIL
PROPOSED
SUBSTATION
2011 SYSTEM
SWTC
SUBSTATION
OTHER'S
SUBSTATION
BICKNELL
SAHUARITA
PANTANO
GORDON BUTTERFIELD
SLOAN
APACHE GENERATING
STATION
345 kV
230 kV
115 kV
SADDLEBROOKE
RANCH
APS
ORACLE
SAGUARO
WAPA
TO
HAYDEN
SAN
MANUEL
APS
MORENCI
NAVISKA
GREENLEE
TO
PHIL
YOUNG
THORNYDALE
W
AP
A
RATTLESNAKE
WAPA
HACKBERRY
MARANA
PICTURE ROCKS
CAP
TO PHIL YOUNG
TWIN PEAKS
AVRA
WINCHESTER
BRAWLEY
TO SPRINGERVILLE
TUCSON
SAN
JOAQUIN BLACK MTN
TEP
DEL BAC
DOS CONDADOS
CAP
SANDARIO
THREE
POINTS
REDTAIL
TEP
VALENCIA
TO
WESTWING
VAIL
PROPOSED
SUBSTATION
2012 SYSTEM
SWTC
SUBSTATION
OTHER'S
SUBSTATION
BICKNELL
SAHUARITA
PANTANO
GORDON BUTTERFIELD
SLOAN
APACHE GENERATING
STATION
345 kV
230 kV
115 kV
SADDLEBROOKE
RANCH
APS
ORACLE
SAGUARO
WAPA
TO
HAYDEN
SAN
MANUEL
APS
MORENCI
NAVISKA
ADONIS
GREENLEE
THORNYDALE
TO
PHIL
YOUNG
W
AP
A
RATTLESNAKE
WAPA
HACKBERRY
MARANA
PICTURE ROCKS
CAP
TO PHIL YOUNG
TWIN PEAKS
AVRA
WINCHESTER
BRAWLEY
TO SPRINGERVILLE
TUCSON
SAN
JOAQUIN BLACK MTN
TEP
DEL BAC
DOS CONDADOS
CAP
SANDARIO
THREE
POINTS
REDTAIL
TEP
VALENCIA
TO
WESTWING
VAIL
PROPOSED
SUBSTATION
2013 SYSTEM
SWTC
SUBSTATION
OTHER'S
SUBSTATION
BICKNELL
SAHUARITA
PANTANO
GORDON BUTTERFIELD
SLOAN
APACHE GENERATING
STATION
345 kV
230 kV
115 kV
SADDLEBROOKE
RANCH
APS
ORACLE
SAGUARO
WAPA
TO
HAYDEN
SAN
MANUEL
APS
MORENCI
NAVISKA
ADONIS
GREENLEE
THORNYDALE
TO
PHIL
YOUNG
W
AP
A
RATTLESNAKE
WAPA
HACKBERRY
MARANA
PICTURE ROCKS
CAP
TO PHIL YOUNG
TWIN PEAKS
AVRA
WINCHESTER
BRAWLEY
TO SPRINGERVILLE
TUCSON
SAN
JOAQUIN BLACK MTN
TEP
DEL BAC
DOS CONDADOS
CAP
SANDARIO
THREE
POINTS
REDTAIL
TEP
VALENCIA
TO
WESTWING
VAIL
PROPOSED
SUBSTATION
2014 SYSTEM
SWTC
SUBSTATION
OTHER'S
SUBSTATION
BICKNELL
SAHUARITA
NEW
TUCSON
PANTANO
GORDON BUTTERFIELD
SLOAN
APACHE GENERATING
STATION
345 kV
230 kV
115 kV
SADDLEBROOKE
RANCH
APS
ORACLE
SAGUARO
WAPA
TO
HAYDEN
SAN
MANUEL
APS
MORENCI
NAVISKA
ADONIS
GREENLEE
THORNYDALE CAMINO DE MANANA
TO
PHIL
YOUNG
W
AP
A
RATTLESNAKE
WAPA
HACKBERRY
MARANA
PICTURE ROCKS
CAP
TO PHIL YOUNG
TWIN PEAKS
AVRA
WINCHESTER
BRAWLEY
TO SPRINGERVILLE
TUCSON
SAN
JOAQUIN BLACK MTN
TEP
DEL BAC
DOS CONDADOS
CAP
SANDARIO
THREE
POINTS
REDTAIL
TEP
VALENCIA
TO
WESTWING
VAIL
PROPOSED
SUBSTATION
2015 SYSTEM
SWTC
SUBSTATION
OTHER'S
SUBSTATION
BICKNELL
SAHUARITA
NEW
TUCSON
PANTANO
GORDON BUTTERFIELD
SLOAN
APACHE GENERATING
STATION
345 kV
230 kV
115 kV
CHANGES FROM 2004-2006
500 kV Line Projects
Hassayampa to Pinal West
Delayed from 2007 to
2008
Pinal West to Santa Rosa
New SWTC participation
230 kV Line Projects
Red Rock to Saguaro
Scope change; in-service
date changed to 2008;
230 kV changed to 115
kV; Red Rock changed to
Naviska
CHANGES FROM 2004-2006
230 kV Line Projects
Riviera Two Substation to Riviera Delayed indefinitely
115 kV Line Projects
Upgrade of Marana-Avra Line
Delayed from 2010 to
2015
Valencia to CAP Black Mountain
Delayed from 2008 to
2011
Sandario to Bopp
New Project. Bopp
changed to San Joaquin.
CHANGES FROM 2004-2006
115 kV Line Projects
Naviska to Thornydale
New Project
Thornydale to CAP Twin Peaks
New Project
Picture Rocks to Twin Peaks
In-service date changed
from 2013 to 2012
QUESTIONS?