2 quarter stakeholder transmission planning meeting june 6 ......1) welcome, introductions, and...

June 6, 2017

TEP & AEPCO 2nd Quarter

Stakeholder Meeting 1

2nd Quarter

Stakeholder Transmission Planning Meeting

June 6, 2017

Unisource Energy Headquarters

88 E. Broadway

Tucson, AZ

9:00 – 11:00 a.m.

1) Welcome, Introductions, and Meeting Overview2) Review of action Items from 2016 4th Quarter

Meeting3) SWAT and WestConnect Overview4) AEPCO 2016 Study Update5) TEP/UNSE 2016 Study Update6) Stakeholder Questions/Comments7) Review of 2017 2nd Quarter Meeting Action Items

June 6, 2017



Welcome

Introductions

Meeting Overview

June 6, 2017



To provide for stakeholder input into the transmission planning process by:◦ Facilitating open, transparent, and coordinated

transmission planning with all affected stakeholders as required by FERC (OATT Attachment K)

◦ Describing the 10 Year transmission planning process

◦ Presenting 10 Year Transmission Plans◦ Supporting and coordinating stakeholder

participation in Regional Planning Efforts (SWAT, WestConnect, and WECC)

◦ Accommodating Economic Study Requests

June 6, 2017



For example, joint planning sessions with Pima County jurisdictions

Today, time is needed to meet FERC requirements to involve Stakeholders in the regional transmission planning process

June 6, 2017



There were no action items

June 6, 2017



Planning Groups in Western Interconnection

SWAT Footprint

Website information

WestConnect Update

June 6, 2017 7TEP & AEPCO 2nd Quarter

Stakeholder Meeting

The Southwest Area Transmission (SWAT) is a sub-regional planning group within the Western Interconnection

It is comprised of transmission regulators/government entities, transmission users, transmission owners, transmission operators and environmental entities

The goal of SWAT is to promote regional planning in the Desert Southwest. It includes transmission planning subcommittees, which are overseen by the SWAT Oversight Committee

SWAT is governed by a Charter

June 6, 2017



WestConnect is composed of utility companies providing transmission of electricity in the United States

Its members work collaboratively to assess stakeholder and market needs and to develop cost-effective market enhancements to the western wholesale electricity market

WestConnect is committed to coordinating its work with other regional industry efforts to achieve as much consistency as possible in the Western Interconnection

June 6, 2017



June 6, 2017



CCPG

NWPP Area

WECC(PCC & TEPPC)

CAISOCTPG

Others

LADWP

RETI

Col.Grid

SWAT

NTTG

SSPG

WestConnect

NTAC

WGA &

CREPC

NMRETA

WestConnect Footprint

with Sub-Regional

Planning Groups

SWAT – http://regplanning.westconnect.com/swat.htm

SSPG – http://regplanning.westconnect.com/sspg.htm

CCPG – http://regplanning.westconnect.com/ccpg.htm

WestConnect – http://www.westconnect.com

SSPGSierra Subregional

Planning Group

SWATSouthwest

AreaTransmission

CCPGColorado

CoordinatedPlanning

Group

June 6, 2017



http://regplanning.westconnect.com/swat.htm

http://regplanning.westconnect.com/sspg.htm

http://regplanning.westconnect.com/ccpg.htm

http://www.westconnect.com/

June 6, 2017



5/31/2017070670-1

Pinnacle

Peak

McKinley

Springerville

Silver King

Tortolita

Saguaro

W W

Kyrene

Luna

Coronado

ChollaMoenkopi

South Vail Hidalgo

Diablo

Afton

CalienteNewman

Arroyo

AmradArtesia

Blackwater

BA

TaosOjo

San Juan

FourCorners

Glen

CanyonMarket

Place

McCullough

Mead

Crystal

Shiprock

Navajo

Devers

Palo

Verde

Hub

Perkins

Liberty

North Gila

Sandia

Norton

Winchester

Arizona

Nevada

California

Utah Colorado

New

Mexico

SWAT FOOTPRINT

SWAT

Greenlee

Browning

Rudd

West Mesa

500kV

345kV

Web Sites

WestConnect: http://www.westconnect.com/

SWAT: http://regplanning.westconnect.com/swat.htm

June 6, 2017



5/31/2017070670-2

SWAT Subcommittee Footprints

Arizona

Nevada

California

Utah Colorado

New

Mexico

SWAT

NM

Saguaro

Rudd

SWAT Southwest Area Transmission

SWAT-AZ Arizona Transmission Subcommittee

NM New Mexico Transmission

EVSG Eldorado Valley Study Group

Footprint wide committees: Short Circuit, Transmission Corridor,

500kV

345kVWeb Sites

WestConnect: http://www.westconnect.com/

SWAT: http://regplanning.westconnect.com/swat.htm

Browning

Kyrene

Pinnacle

Peak

McKinley

Springerville

Silver

King

Greenlee

Tortolita

W W

Luna

Coronado

ChollaMoenkopi

South

Vail

Hidalgo

Diablo

Afton

CalienteNewman

Arroyo

AmradArtesia

Blackwater

BA

TaosOjo

San Juan

FourCorners

West Mesa

Glen

CanyonMarket

Place

McCullough

Mead

Crystal

Shiprock

Navajo

Devers

Palo

Verde

Hub

Perkins

Liberty

North Gila

Norton

Sandia

Winchester

EVSG

Information on SWAT can be found at the WestConnect website: ◦ http://regplanning.westconnect.com/swat.htm

WestConnect Site contains information about sub-regional planning groups within SWAT, planning calendars, and documents

Chair: Zak Baumann, SRP

June 6, 2017



http://regplanning.westconnect.com/swat.htm

SWAT Recent Efforts:◦ 2 Meetings Since 2016 4th Quarter Stakeholder

Meeting February 13, 2017

Review major project map and spreadsheet Arizona utilities filed ten year plans with the ACC in January Project updates from Southline and APS Merger of SWAT and SWAT-AZ into a single group

April 13, 2017 Review SWAT-AZ case development Discuss BTA studies Review SWAT-AZ case development Discuss BTA studies

◦ Next Meeting August 2017 Webinar only

June 6, 2017



WestConnect Planning Management Committee (PMC):◦ Chair – Blane Taylor

◦ Vice-Chair – Bob Smith

PMC Subcommittees:◦ Planning Subcommittee:

Chair - Tom Green

Vice-Chair – Gary Trent

◦ Cost Allocation Subcommittee:

Chair – Eric East

◦ Legal Subcommittee:

Chair - Jennifer Spina

◦ Contract & Compliance Subcommittee (CCS):

Chair - Steve Williams

June 6, 2017



June 6, 2017



2016-2017 Study Cycle◦ Q4 2015 – Initiated Development of 2016-2017 Study Plan

◦ WestConnect Scenario Submittal Window

December 1 – 31, 2015

◦ 2016-2017 Study Plan Approved by PMC on March 16, 2016

◦ Power Flow Scenarios

2 Base Cases

2 Scenario Cases

◦ Economic Scenarios

1 Base Case

3 Scenario

June 6, 2017



Regional Needs Assessment Completed◦ No Regional Needs Identified

◦ No Project Submittal Window is Necessary

Scenario Analysis Completed◦ 2 Regional Opportunities Identified in Colorado

◦ Regional Opportunities are not Regional Needs and will notResult in Identification of Regional Project for Cost Allocation

Developing Backcast Case for Validation of Production Cost Model

Using One Regional Opportunity to Test Process to Determine Regional Project for Cost Allocation

Drafting Regional Assessment Report for Completion and Approval no later than December 2017.

June 6, 2017



Next Meetings◦ Planning Subcommittee

June 7, 2017 webinar

June 20, 2017 in Denver

◦ Cost Allocation Subcommittee


◦ Planning Management Committee


June 6, 2017



AEPCO Planning Calendar & Methodology

2017-2026 Ten-Year Plan Review

Interconnection Requests and Transmission Service Requests

Economic Study Requests of AEPCO

Stakeholder comments/questions on study plan

Stakeholder submittal of requests for additional transmission studies

June 6, 2017



Planning Calendar for Ten-Year Planning Cycle

AEPCO Transmission

Planning

10 Year Plan

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

Stakeholder

Input

Other

Regional

Coordination

Activities

Throughout the Year:

10 Yr. Plan – Filed with the ACC by Jan. 31st.

Develop 10 Yr. base cases

From SWAT-AZ coordinated

Seed Cases

AEPCO Load Forecast

for Class A Members

10 Yr. study plan effort -

Determination of projects,

timings, and scope

Activities related to:

1. Development of

AEPCO

Construction

Work Plans and

Long Range

Plans

2. Demonstration of

compliance with

NERC Standards

3. WECC Planning

Case and Model

Development

4. Regulatory Sub-

mittals

10 Yr. Plan final development

for submittal to ACC and

WestConnect

Arizona Utilities

Coordinate the development

of seed cases

Through SWAT-AZ from

WECC Base cases

10 Yr. Plans filed

By others

2nd

Quarter Stakeholder Meeting – Stakeholder

Input on studies, request study alternatives,

updates on current projects

July 31st – Network Transmission Customers

Loads & Resources Forecast

1. Class A Operating

Committee (CAOC)

Meetings between

AEPCO and Class A

Members – currently

3 times per year

2. WestConnect Meetings

a. Steering Committee

b. PMC

c. PS Subcommittee

3. SWAT Meetings

a. Oversight Committee

b. SWAT-AZ

4. ACC

a. BTA

b. Other Requests

4th Quarter Stakeholder Meeting – Review draft

Of current 10 Yr. plan, discussion on Economic

Study requests, receive Stakeholder input

June 6, 2017



NERC Planning Standards WECC System Performance Regional

Business Practices Internal planning criteria◦ AEPCO Planning Guidelines are posted on the

AEPCO OASIS at http://www.oasis.oati.com/swtc/

June 6, 2017



http://www.oasis.oati.com/swtc/

The 2017-2026 Ten Year Plan was submitted to the ACC on January 30, 2017.

Planned Projects in this year’s plan◦ Addition of Planned interconnection between AEPCO’s

Bagdad Interconnect substation and APS’s Bagdad substation to provide mutual backup for APS loads in the town of Bagdad, and Mohave Electric Cooperative’s loads west of Bagdad

◦ Relocation of capacitor bank from Morenci to Dos Condados

◦ Joint Project between FMI, TEP, and AEPCO to replace Morenci Water & Electric’s Transformers at their Copper Verde substation, and relocate the existing transformers to Greenlee and Bicknell Substations

◦ New interconnection between AEPCO’s Valencia substation, and CAP’s Black Mountain substation

◦ New 115 kV interconnection Marana-Thornydale-Saguaro◦ Tombstone Project

June 6, 2017



On-going discussions throughout the year at the Class A Operating Committee (CAOC) Meetings will necessitate minor changes to this plan in the future.

As changes are approved by the AEPCO Board, they will be incorporated into the next filing at WestConnect and the ACC.

June 6, 2017



Ten Year Plan Projects in Northern Area:

• AEPCO is acquiring two distressed

345/230 kV 200 MVA Transformers.

One of these is planned to be installed

at AEPCO’s Greenlee Substation

(2019)

• Move one of the two 50 MVAr

Capacitor Banks from Morenci 230 kV

Substation to Dos Condados 230 kV

Substation (2018)

June 6, 2017



TO

HAYDEN

69 kV LINES

115 kV LINES

138 kV LINES

230 kV LINES

345 kV LINES

500 kV LINES

AEPCO SUBSTATION

OTHER SUBSTATION

AEPCO GENERATION

FUTURE SUBSTATION

AEPCO NORTHERN AREA SYSTEM

WINCHESTER

APACHE

REDTAIL

HACKBERRY

DOS CONDADOS

MORENCI

AEPCO

GREENLEE

TEP

GREENLEE

TO

VAIL

TO

SPRINGERVILLE

TO

BUTTERFIELD

BOWIE

SAN SIMONSTEWART

ROMNEY

SAN JOSE

THATCHER

BONITA

MORTENSON

HOOKER

TO

ADAMS TAP

KANSAS

SETTLEMENT

WILLCOX

COCHISE

TO

CHIRICAHUA

SSVEC 69 kV

SSVEC 69 kV

GCEC 69 kV SS

VE

C

69 k

V

AE

PC

O 2

30

kV

AE

PC

O 2

30

kV

TE

P 3

45

kV

AE

PC

O 1

15

kV

TO

DUNCAN

TO

DUNCAN

GCEC 69 kV

CACTUS

SAFFORD

CORK

FREEMAN

NEW

THATCHER

GC

EC

69 k

V

GCEC 69 kV

AE

PC

O 2

30

kV

GC

EC

69 k

V

AEPCO 69 kV

SAN

MANUEL

SWIFT TRAIL

GCEC 69 kV

TALLEY

SS

VE

C 6

9 k

V

(2018)

Second 345/230 kV

Transformer at AEPCO

Greenlee (2019)

Ten Year Plan Projects in Southern Area:

• Capacitor Bank Additions planned at:

• Butterfield (2017)

• Hereford (SSVEC) to Palominas

(APS) Tie – First Phase of

Tombstone project (2017)

• Sheiffelin 230/69 Substation and

Interconnection with APS Boothill

Substation (2021)

• Tombstone Project still requires

AEPCO Board Approval

June 6, 2017



46 & 69 kV LINES

115 kV LINES

138 kV LINES

230 kV LINES

345 kV LINES

500 kV LINES

AEPCO SUBSTATION

OTHER SUBSTATION

AEPCO GENERATION

AEPCO SOUTHERN AREA SYSTEM

FUTURE SUBSTATION

BUTTERFIELD

SSVEC 69 kV

PANTANO

ADAMS

TAP

COCHISE

KANSAS

SETTLEMENT

CHIRICAHUA

WEBB

McNEALMURAL

KARTCHNERSAN

RAFAEL

APACHE

TO

REDTAIL

TO

WINCHESTER

TO

NOGALES TAP

AE

PC

O 2

30

kV

AE

PC

O 2

30

kV

WESTERN 115 kV

SSVEC 69 kV

SS

VE

C 6

9 k

V

AP

S 6

9 k

V

FT. HUACHUCA

SUB

SSVEC 69 kV

SS

VE

C 6

9 k

V

MESCALBENSON

ST. DAVID

SHEIFFELIN

TOMBSTONE

PUEBLOBELLA

VISTA

SIERRA VISTA

KEATING

HAWES

RAMSEY

SS

VE

C 6

9 k

V

SAN

PEDRO

SS

VE

C 6

9 k

V

TO

BICKNELL

TO

VAIL

TO

SOUTH

HUACHUCA

AP

S 1

15

kV

SS

VE

C 6

9 k

V

AE

PC

O 1

15

kV

AEPCO 230 kV

COTTONWOOD

BOOTHILL

PALOMINAS

DON LUIS

APS 69 kV APS 69 kV

HEREFORD

SS

VE

C 6

9 k

V

AP

S 6

9 k

V

(2021)

(2017)

TJ

(2017)

June 6, 2017



Ten Year Plan Projects in Western Area:

• Capacitor Bank Additions planned at:

• Bicknell (2017)

• Valencia (2018)

• AEPCO is acquiring two distressed

345/230 kV 200 MVA Transformers.

One of these is planned to be installed

at AEPCO’s Bicknell Substation

(2019)

• Valencia to CAP Black Mountain

Interconnection (2019)

• New Saguaro to Thornydale to

Marana 115 kV line (2020)

VAIL

THREE

POINTS

NOGALES

TAP

RATTLESNAKE

AVRA

VALLEY

VALENCIA

NORTH

LOOP

THORNYDALE

TUCSON

DEL BAC

WE

ST

ER

N 1

15

kV

AE

PC

O 1

15

kV

)

SANDARIO

BLACK

MOUNTAIN

TWIN

PEAKS

BRAWLEY

SAN

XAVIER

BICKNELL

MARANA

SAGUARO

69 kV LINES

115 kV LINES

138 kV LINES

230 kV LINES

345 kV LINES

500 kV LINES

AEPCO SUBSTATION

OTHER SUBSTATION

AEPCO GENERATION

FUTURE SUBSTATION

ORACLE

CA

PAEPCO 115 kV

AEPCO 115 kV

CAP 115 kV

CAP

SANDARIO

SAHUARITAPANTANO

BUTTERFIELD

ADAMS TAP

TO

REDTAIL

AEPCO WESTERN AREA SYSTEM

APACHE

NEW

TUCSON

WINCHESTER

TO

GREENLEE/

SPRINGERVILLE

AEPCO 345 kV

AEPCO 345 kV

WESTERN 115 kV

SAN

MANUEL

APS 115 kV

APS 115 kV

AE

PC

O 1

15

kV

TO

HAYDEN

SADDLEBROOKE

RANCH

TEP 345 kV

TORTOLITA

AEPCO/TEP 345 kVSOUTH

TO

PINAL WEST

AEPCO/TEP

345 kV

TE

P 4

6 k

V

CAP

AE

PC

O 1

15

kV

AE

PC

O 1

15

kV

MARANA

TAP

(2017)

(2017)

(2019)

TO

ED-5

AEPCO 230 kV

AEPCO 115 kV

AEPCO/CAP 115 kV

(2020)

Second 345/230 kV

Transformer at Bicknell

(2019)

(2018)

June 6, 2017



Ten Year Plan Projects in Anza California

and Northwest Arizona:

• Bagdad Interconnection Project (2019)

34.5 kV LINES

69 kV LINES

115 kV LINES

138 kV LINES

230 kV LINES

AEPCO SUBSTATION

OTHER SUBSTATION

AEPCO GENERATION

ANZA (CALIFORNIA) AREA

NELSON

(SCE)

MOUNTAIN

CENTER HEMET

TONY

LAPPOS

LAKE

RIVERSIDEIDYLLWILD

(SCE)TO SCE

115 kV

SCE 34.5 kV ANZA 34.5 kVANZA 34.5 kVSCE 34.5 kV ANZA 34.5 kV

DAVIS

RIVIERA

TOPOCK

PARKER

ROUND VALLEYPEACOCK

McCONNICO

HILLTOP

WE

ST

ER

N 2

30

kV

AEPCO 230 kV

ME

C 6

9 k

V

NELSON

WESTERN 69 kV AEPCO 69 kV

PLANETBILL

WILLIAMS

WELLFIELD

ME

C 6

9 k

V

MOHAVE (NORTHWEST ARIZONA) AREA

AEPCO CALIFORNIA & NORTHWEST ARIZONA AREA SYSTEMS

NATURAL

CORRALS

AIRPORT

SILVER

CREEK

MEDLIN

MEC 69 kV

MEC 69 kV

WILLOW

VALLEY

SWANOPALKA

BIG BEND

BULLHEAD WARM SPRINGS

(UES)

WESTERN 69 kV

KINGMAN

TAP HUALAPAI

To HILLTOP

(UES)

MEC 69 kV

MEC 69 kV

AEPCO 69 kV

(2018)BAGDAD

(APS)

BAGDAD

INTERCONNECT

AEPCO 115 kVLONGTIN

Generation interconnection requests:◦ None

Transmission interconnection requests◦ One

Currently involved in transmission study work with the following entities:◦ Tucson Electric Power Company◦ Arizona Public Service Company◦ Western Area Power Administration◦ Central Arizona Project◦ Southline

June 6, 2017



Currently no Economic Study Requests have been received by AEPCO

June 6, 2017



Any Questions?

June 6, 2017



Open Discussion◦ Stakeholder submittal of requests for additional transmission

studies:

Requests can be made at any time to: [email protected] or [email protected]

June 6, 2017



mailto:[email protected]

mailto:[email protected]

TEP/UNSE Planning Calendar & Methodology

2017-2026 Ten Year Plan Review

Interconnection Requests and Transmission Service Requests

Economic Study Requests of TEP

Stakeholder comments/questions on study plan

Stakeholder submittal of requests for additional transmission studies

June 6, 2017



June 6, 2017



10 Yr Plan – Filed with ACC by Jan 31

TEP/UNSE Transmission

Planning

10 Year Plan

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

TEP Corporate Load Forecast

Stakeholder

Input

Other

Regional

Coordination

10 Yr Plans filed

by others

Activities

Throughout the Year

● TEP/Transmission Customer

Meetings

● TEP/SWTC/WAPA Meetings

● Coordination Meetings

● SWAT Meetings

○ Oversight

○ Steering

○ AzTS

○ Short-Circuit Working

Group

● ACC

○ BTA

○ Summer Preparedness

○ Others as Required

● WestConnect

○ Steering

○ PMC

○ Subcommittees

● WECC

○ Planning Coordination

Committee

○ Technical Studies

Subcommittee

○ System Review Work Group

○ Reliability Assessment

Committee

○ Studies Subcommittee

○ Scenario Development

Subcommittee

○ Modeling Subcommittee

○ Data Subcommittee

Arizona Utilities

coordinated seed

case development –

from WestConnect

cases

2nd

Quarter Stakeholder Meeting –

Stakeholder input on studies, request study

alternatives, updates on current projects

Develop 10 Yr

base cases from

AZ seed cases

10 Yr study plan

effort –

Determination of

projects, timing

and scope

Activities related

to:

● Development

of TEP long

range capital

budget projects

● Demonstration

of compliance

with NERC

Standards

● WECC

Planning Model

Development

and Reports

● Regulatory

Submittals

10 Yr plan final

development for

submittal to ACC

and WestConnect

Sep 1 – Network Transmission/other

Transmission Customers Load & Resource

Forecast

4th Quarter Stakeholder Meeting – Review

draft of current 10 Yr pan, discuss Economic

Study Requests, receive Stakeholder input

Planning Calendar for Ten-Year Planning Cycle

Nov 21 – Deadline to submit Economic Study

Requests for 4th Quarter Meeting review

NERC Planning Standards WECC Transmission System Planning

Performance Criteria Internal planning guidelines◦ TEP Planning Guidelines are posted on the TEP

OASIS at http://www.oasis.oati.com/tepc/

June 6, 2017



http://www.oasis.oati.com/tepc/

June 6, 2017



2017-2026 Ten Year Plan was submitted to the ACC on January 30, 2017

Proposed 2017-2026 Ten Year Plan was presented at the WestConnect Stakeholder meeting on November 17, 2016

June 6, 2017



Planned Projects◦ Hassayampa – Pinal

West 500kV Loop-In to Jojoba Switchyard (2018)

◦ Reconfiguration of South Substation (2018)

◦ Reconfiguration of Greenlee Substation (2019)

Hidalgo

Ya-Ta-Hey

Silver KingBrowning

Kyrene

Palo Verde / Hassayampa

WestwingPinnacle

Peak

North Gila

Greenlee

Apache

Red Tail

Dos Condados

Morenci

GreenleeSWTC

ButterfieldPantanoBicknell

Tortolita

Saguaro

Pinal West

Jojoba

South Vail

Winchester

AbelDuke

Pinal Central

TBD

TBD

TBD

TBD

TBD

LEGEND

Navajo

Moenkopi

Glen Canyon

McKinley

Cholla

Coronado

Springerville

Irvington TBDTBD

PD-Morenci

Frisco

Copper Verde

Luna

San Juan

Four Corners

Shiprock

Sigurd

Liberty

Gila River

Hassayampa – Pinal West 500kV

Line Loop-in to Jojoba Switchyard

(2018) Gila Bend

500 kV345 kV230 kV

Facilities Proposed by TEP

Jointly Planned / Conceptual Facilities

Facilities Planned / Conceptual by Others

PNM

EPE

EPE

June 6, 2017



Conceptual Projects (TBD)◦ Vail to Irvington 345kV

◦ Irvington to South 345kV

◦ Tortolita to Winchester 500kV

◦ Vail to South #2 345kV

◦ Springerville to Greenlee #2 345kV

◦ Tortolita to South 345kV

◦ Westwing to South #2 345kV

◦ Gila River to Pinal West 500kV

Hidalgo

Ya-Ta-Hey

Silver KingBrowning

Kyrene

Palo Verde / Hassayampa

WestwingPinnacle

Peak

North Gila

Greenlee

Apache

Red Tail

Dos Condados

Morenci

GreenleeSWTC

ButterfieldPantanoBicknell

Tortolita

Saguaro

Pinal West

Jojoba

South Vail

Winchester

AbelDuke

Pinal Central

TBD

TBD

TBD

TBD

TBD

LEGEND

Navajo

Moenkopi

Glen Canyon

McKinley

Cholla

Coronado

Springerville

Irvington TBDTBD

PD-Morenci

Frisco

Copper Verde

Luna

San Juan

Four Corners

Shiprock

Sigurd

Liberty

Gila River

Hassayampa – Pinal West 500kV

Line Loop-in to Jojoba Switchyard

(2018) Gila Bend

500 kV345 kV230 kV

Facilities Proposed by TEP

Jointly Planned / Conceptual Facilities

Facilities Planned / Conceptual by Others

PNM

EPE

EPE

June 6, 2017



RILLITO CRAYCROFT

- BARRIL

ROBERTS

WEST

INA

(Yr 2018)

(Yr 2023)

(Yr 2021)

SNYDER

TUCSON

22ND

ST

KINO

(Yr 2024)

CHOLLA

TORTOLITA 138

PINAL CENTRAL

500

TORTOLITA 500

DREXEL

SOUTH

345Ft. Huachuca

MID

VA

LE

AS&R

MISSION

LOS

REALES

RBWILMOT

T1

T2

(Yr 2022)

HARTT

Duval

CLEAR

Switchyard

CYPRUS

SIERRITA

CANOA

RANCH

TB

D

Rosemont

SOUTH

138

ORANGE

GROVE

MARANA

(Yr 2025)

NARANJA

DEL

CERRO

DMP

NORTHEAST

EAST

LOOP

SAGUARO 500

GREEN

VALLEY

RANCHO VISTOSO

VA

IL

VA

IL

34

5V

AIL

2

34

5

IRV

ING

TO

N

SANTA

CRUZ

PANTANOSPANISH

TRAIL

LA CANADA

NO

RT

H L

OO

P

HA

RR

ISO

N

(Yr 2024)

CIENEGA

(Yr 2021)

TBD

(Yr 2020)

Toro

(Yr 2018)

2017 Reconfigure: Tortolita-Rancho

Vistoso (disconnect)

Tortolita-North Loop (connect)

North Loop-Rancho Vistoso (connect)

T3

138kV Ten Year Plan Map

(2017 – 2026)

= Existing Substation

= New Substations

Existing EHV / HV Line

= New 138kV Line

= Reconductored 138kV Line

= New EHV Line

CORONA

(Yr 2026)

(Yr

20

19)

(Yr 2

026)

Kantor

Planned Projects (2017)◦ Reconfiguration of Tortolita – Rancho Vistoso

138kV Line to Tortolita – North Loop 138kV Line #5 and North Loop – Rancho Vistoso 138kV Line

◦ Uprate North Loop – Rancho Vistoso 138kV Line

◦ Midvale 138kV Capacitor Bank #1 Addition

◦ Roberts 138kV Capacitor Bank #1 Addition

◦ East Loop Tie Breaker Replacement

June 6, 2017 41


Stakeholder Meeting

Planned Projects (2018)◦ Loop-in of La Canada – Rillito 138kV Line to New

Orange Grove Substation

◦ North Loop – Rancho Vistoso 138kV Line Reconductor

◦ DMP – Northeast 138kV Line Uprate

◦ East Loop – Snyder 138kV Line Uprate

June 6, 2017 42


Stakeholder Meeting

Planned Projects (2019)◦ Irvington – 22nd Street 138kV Line Reconductor



◦ Rancho Vistoso – La Canada 138kV Line Uprate

◦ La Canada – Orange Grove 138kV Uprate

◦ Loop-in of South – Green Valley 138kV Line to New Toro Switchyard

◦ New Toro – Rosemont 138kV Line

June 6, 2017 43


Stakeholder Meeting

Planned Projects (2020)◦ Reconfiguration of Irvington Substation◦ Northeast Tie Breaker Replacement◦ Loop-in of Roberts – East Loop 138kV Line to New

Harrison Substation◦ DMP – Northeast 138kV Line Uprate◦ East Loop – Snyder 138kV Line Uprate◦ Rancho Vistoso – La Canada 138kV Line Uprate◦ South – Toro 138kV Line Uprate◦ Capacitor Bank Addition at 22nd Street Substation◦ Capacitor Bank Addition at Pantano Substation◦ Capacitor Bank Addition at Irvington Substation

June 6, 2017 44


Stakeholder Meeting

Planned Projects (2021)◦ Reconfiguration of DMP Substation

◦ New Irvington – Tucson #2 138kV Line with Loop-in to New Kino Substation

◦ Orange Grove – Rillito 138kV Line Uprate

◦ Capacitor Bank Addition at Drexel Substation

◦ Capacitor Bank Addition at Orange Grove Substation

◦ Capacitor Bank Addition at Robert Bills Substation

June 6, 2017 45


Stakeholder Meeting

Planned Projects (2022)◦ Loop-in of Toro – Green Valley 138kV Line to New

Hartt Substation




◦ South – Toro 138kV Line Uprate

June 6, 2017 46


Stakeholder Meeting

Planned Projects (2023)◦ Loop-in of Northeast – Snyder 138kV Line to New

Craycroft Baril Substation




June 6, 2017 47


Stakeholder Meeting

Planned Projects (2024)◦ Loop-in of Tortolita – North Loop #5 138kV Line to

New Marana Substation


Planned Projects (2025)◦ Loop-in of North Loop – Rancho Vistoso 138kV Line

to New Naranja Substation

◦ North Loop – Rillito 138kV Line Uprate

June 6, 2017 48


Stakeholder Meeting

Planned Projects (2026)◦ Loop-in of Irvington – South 138kV Line to New

Corona Substation

◦ Del Cerro – Tucson 138kV Line Reconductor

◦ North Loop – DMP 138kV Line Uprate

◦ North Loop – Rillito 138kV Line Uprate

Planned Projects (2027)◦ Northeast – Rillito 138kV Line Uprate

June 6, 2017 49


Stakeholder Meeting

Conceptual Projects◦ Irvington – 22nd Street 138kV Line #2

◦ Vail – East Loop 138kV Line #3

◦ Irvington – Vail 138kV Line Reconductor

◦ Irvington – Robert Bills-Wilmot 138kV Line Reconductor

◦ Robert Bills-Wilmot – Vail 138kV Line Reconductor

◦ Irvington – South 138kV Line Reconductor

◦ Irvington – Drexel – Midvale – South 138kV Line Reconductor

June 6, 2017 50


Stakeholder Meeting

1) Golden Valley 230kV Line (2021)

2) Griffith-North Havasu Transmission Project (TBD)

June 6, 2017



Peacock

Prescott

Round

ValleyPeacock

Hilltop

Griffith

(3 units)

McConnico

McCullough

Davis

(5 units)

F

H

Black

Mesa

TopockSouth Point

(3 units)

North Havasu

Parker

(4 units)

Camino

Harcuvar

Gene

Eagle Eye

Hassayampa

Tap

Bouse

Wellton Mohawk

Kofa

Dome Tap

Gila

Gila

Knob

Pilot

Knob

Niland

(IID)

Headgate

Rock

Blythe

(3 units)

Blythe

(SCE)

F

H

F Liberty

Black Mtn 69kV

(2 units)

F

Eagle Mtn

Iron

Mtn

Gold Mine

Mead

Franconia

Havasu

Franconia-Griffith section

future 230 kV & 69 kV

(TBD)

RWestern Wind

69kV

230kV (WAPA)

345kV (WAPA)

69kV UNSE161kV WAPA

Existing Facilities NEW Facilities

230kV

(UNSE)

Fossil Fuel Generation

Renewable Generation

Hydro Generation

F

H

R

Golden Valley 230kV

Transmission line (future)

1) Mexico DC Interconnection (2019)

June 6, 2017



Existing Facilities

Vail

To Adams(WESTERN)

Nogales Tap

Del Bac

To Tucson(WESTERN)

Valencia(4 units)

Sonoita

Canez

Kantor345 kV

138 kV

115 kV

F

FFossil Fuel Generation

138kV (joint)

230kV (joint)

United States

Mexico

GatewayDC back to

back

Future upgradeRelated to

Gateway project

• Activity Since 2016 4th Quarter Stakeholder Meeting New Interconnection Requests – 9 Completed Feasibility Studies – 1 Completed System Impacts Studies – 0 Completed Facility Studies – 0 Projects Interconnected – 0 Interconnection Projects Withdrawn – 5 New Long-Term Firm Transmission Service Requests requiring SIS – 5 Long-Term Firm Transmission Service Requests Withdrawn – 0

June 6, 2017



Currently involved in scoping/feasibility study work for the following entities:◦ Western Area Power Administration – DSW◦ Salt River Project

June 6, 2017



Currently no new Economic Study Requests have been received by TEP

June 6, 2017



Any Questions?

June 6, 2017



• Open Discussion– Stakeholder submittal of requests for additional ◦ transmission studies

• Requests can be made at any time to: [email protected]

June 6, 2017



mailto:Transcoord [email protected]

Open discussion

June 6, 2017



Review of action items

Review of the action items to be addressed during 2017 4th Quarter Stakeholder Meeting

June 6, 2017



2 quarter stakeholder transmission planning meeting june 6 ......1) welcome, introductions, and...

Documents