APS/SRP Stakeholder Meeting For Transmission Planning FERC ... · 6/28/2012 · 10yr. Plan study effort – Determination of projects, timings, and scope 4 th Quarter Stakeholder

APS/SRP Stakeholder MeetingFor Transmission Planning

FERC Order 890APS Attachment ESRP Attachment K

APS Transmission PlanningSRP Transmission PlanningPhoenix, ArizonaJune 28, 2012

• Welcome

• Introductions

• Meeting Overview

APS/SRP Joint Stakeholder Meeting 6/28/2012

2

Agenda1. Welcome, Introductions and Meeting Overview

2. Status of Action Items - 12/16/11 Joint APS/SRP 4th Quarter Meeting

3. APS Planninga. APS Planning Calendar & Methodologyb. Review APS filed Ten-Year Plan c. 2012 Study Assumptionsd. Interconnection Requests and APS Generator Queue Status updatee. Transmission Service Requestsf. Requests Received for Economic Planning Studies g. Stakeholders invited to submit requests for additional transmission studiesh. Comments/questions

4. SRP Planninga. SRP Planning Calendar and Methodologyb. 2012 Study Assumptionsc. Review SRP filed Ten- Year Plan d. Interconnection Requests and SRP Generator Queue Status updatee. Transmission Service Requestsf. Requests received for economic planning studiesg. Stakeholders invited to submit requests for additional transmission studiesh. Comments/questions

5. Stakeholder Questions/Comments

6. Action Items


3

2. Status of Action Items

• A/I: SRP and APS will post LeeAnn’s Order 1000 presentation at OASIS websites.


4

3.a. APS Planning Calendar & Methodology

• WECC/TEPPC/WestConnect Planning Calendar

• APS Planning Calendar• Planning Process/Methodology


5


6

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

10yr Plan – Filed with ACC by Jan. 31 10yr. Plans filed by others

APS Corporate Load Forecast

Stakeholder Input

APS Corporate Load Forecast – Post Summer

Sep. 1 – Network Transmission Customers and all other Transmission Customers Load &

Resource Forecast

10yr. Plan – New load forecast sensitivity

WestConnect Coordinated base case

development

Develop 10yr base cases from AZ seed cases

10yr. Plan study effort – Determination of projects, timings, and scope

4th Quarter Stakeholder Meeting – Review draft of current 10yr plan, discussion Economic Study

requests, receive stakeholder input

Planning Calendar for Ten-Year Planning CycleAPS Transmission Planning – 10 Yr

Plan

Arizona Utilities coordinated seed case development – from WestConnect cases

2nd Quarter Stakeholder Meeting – Stakeholder input on studies, request study alternatives,

updates on current projects

Other Subregional Coordination

Activities Throughout the Year

• APS/SRP Coordination Meeting

• APS/WAPA Coordination Meeting

• WestConnect Meetings

• SWAT Meetingso CATSo CRTo New Mexicoo SATSo El Dorado Valleyo Transmission

Corridoro Advisoryo Short-circuit

Oct. 31 – Deadline to submit Economic Study Requests for 4th Quarter Meeting review


7

What Type of Study?1

Does Transmission Provider’s system

meetNERC/WECC

criteria?

No

Does Transmission Provider’s system meet local reliability criteria?

Yes

Transmission Provider determines facilities

needed with Stakeholder input

No

Transmission Provider coordinates with Sub-

Regional Planning Group

Yes

Economic Reliability

Transmission Provider

Evaluation

Regional

TEPPC evaluates with Stakeholder

input

Transmission Provider Economic

Study

Customer Choice of Study at Customer’s

expense

Local2

TEPPC determines high priority, performs

study

High priority

Not high priority

TEPPC determines not

high priority

Study results documented in a report and reviewed

by Customer and Transmission Provider



1. Generator Interconnection Request studies are performed pursuant to the Large Generator Interconnection Procedure contained in the Transmission Provider’s Open Access Transmission Tariff (OATT). Transmission Service Requests are also performed pursuant to OATT procedures.

2. All requests for economic planning studies received by the Transmission Provider are forwarded to TEPPC for inclusion in the TEPPC Master List. TEPPC will evaluate only those requests that have regional impacts.

Transmission Planning Process

Exhibit 1 – APS Attachment E

3.b. APS Ten Year Plan Projects 2012-2021

Transmission PlanFiled on Jan. 31, 2012


8

2011 (In-Service):• Hoodoo Wash 500kV

switchyard• Cedar Mountain 500kv

switchyard2012:• Youngs Canyon 345/69kV

substation2013:• Delaney-Palo Verde 500kV line2014:• D. Basin-Pinal Central 230kV

line• Pinal Central-Sundance 230kV

line• Bagdad 115kV relocation2015:• Delaney-Sun Valley 500kV line• Hassayampa-N.Gila 500kV line• Mazatzal 345/69kV substation2016:• Morgan-Sun Valley 500kV line2021:• TS12 230/69kV substation


9


10


11

2015: Sun Valley-Trilby

Wash 230kV line Trilby Wash-Palm

Valley 230kV line

2021: Scatter Wash

230/69kV substation


12


13

2015: Palo Verde Hub-North Gila

500kV #2 line North Gila-TS8 230kV line

Bulk Transformer Additions/Replacements


14

Description Year

Kyrene 500/230kV Transformer #3 (in-service) 2012

Pinnacle Peak 230/69kV Transformer #4 (in-service) 2011

Black Peak 161/69kV Transformer Replacement 2013

Buckeye 230/69kV Transformer #2 Replacement 2016

Raceway 230/69kV Transformer #2 2018

Palm Valley 230/69kV Transformer #2 2019

Yavapai 230/69kV Transformer #2 2021

In-Service Date Changes


15

Project Name Previous in-service date

New in-service date

Saguaro (TS12): Relocate the 230kV yard and install a 230/69kV transformer (Scope change)

2012 2021

Scatter Wash loop-in of Pinnacle Peak-Raceway 230kV line

2013 2021

Delaney-Sun Valley 500kV line 2014 2015

Sun Valley-Trilby Wash 230kV line 2014 2015

Mazatzal loop-in of Cholla-Pinnacle Peak 345kV line

2014 2015

Palo Verde Hub-North Gila 500kV #2 line 2014 2015

North Gila-TS8 230kV line 2014 2015Note: The in-service dates shown in this table are based on load projections, not potential interconnections. New generation interconnections may accelerate the in-service date.

3.c. 2011 NERC/WECC Reliability Studies• Summer Peak cases

– TPL-001 & TPL-002• Thermal analysis (All 10 years)• Post-Transient (All 10 years)• Transient Stability (2014 & 2021)

– TPL-003 & TPL-004 (2012 & 2020)• Maximum Load Serving Capability for Phx

& Yuma (All 10 years)– TPL-001 & TPL-002 Thermal and Post Transient

• Low Load Assessment– 2012 Heavy Winter & 2016 Light Autumn– Thermal, Transient Stability, & Post Transient– TPL-001 thru TPL-004


16

2011 NERC Compliance Studies


17

Peak Load Assessment - SummerNERC STANDARD STUDIES COMPLETED

TPL -001(n-0) Thermal Transient Stability Post Transient2012 SIL X2012 PEAK X2020 SIL X2020 PEAK X

TPL-002 (n-1)2012 SIL (Lines, xfmrs, gens) X X2012 PEAK (Lines, xfmrs, gens) X X X2012 MLSC (Lines, xfmrs, gens) X X2020 SIL (Lines, xfmrs, gens) X X2020 PEAK (Lines, xfmrs, gens) X X X2020 MLSC (Lines, xfmrs, gens) X X

TPL-003 (n-2)2012 Stuck Breaker/Breaker Failure X X X2012 N-1-1 X X X2012 Bus Section X X X2020 Stuck Breaker/Breaker Failure X X X2020 N-1-1 X X X2020 Bus Section X X X

TPL-004 (n-xx)2012 Major Substations With/Without Generation X X X2012 Stuck Breaker/Breaker Failure X X X2012 Common Corridor X X X2020 Major Substations With/Without Generation X X X2020 Stuck Breaker/Breaker Failure X X X2020 Common Corridor X X X

2011 NERC Compliance Studies


18

Low Load AssessmentNERC STANDARD STUDIES COMPLETED

TPL -001(n-0) Thermal Transient Stability Post Transient2012 Heavy Winter Case X2016 Light Autumn Case X

TPL-002 (n-1)2012 TRANSMISSION LINE X X X2012 XFMR X X2012 GENERATION X X2012 REACTORS X X2016 TRANSMISSION LINE X X X2016 XFMR X X2016 GENERATION X X2016 REACTORS X X

TPL-003 (n-2)2014 Stuck Breaker X X X2014 N-1-1 X X X2016 Stuck Breaker X X X2016 N-1-1 X X X

TPL-004 (n-xx)2014 Loss of All Generation Units at a Station X X X2014 Common Corridor X X X2016 Loss of All Generation Units at a Station X X X2016 Common Corridor X X X

3.c. 2012 Study Assumptions

• Coordinated Base Cases (Seed Cases)– 2014 - WECC 2014hs3sa case– 2021 - WECC 2021hs1a case– Same cases as 2011 – updated for 2012

• 69kV transmission models incorporated• Most up-to-date forecasts for peak

summer loads


19

3.c. 2012 NERC/WECC Reliability Studies• Summer Peak cases

– TPL-001 & TPL-002• Thermal analysis (All 10 years)• Post-Transient (All 10 years)• Transient Stability (2014 & 2021)

– TPL-003 & TPL-004 (2014 & 2017)• Maximum Load Serving Capability for Phx

& Yuma (All 10 years)– TPL-001 & TPL-002 Thermal and Post Transient

• Low Load Assessment– 2013 & 2017 Heavy Winter– Thermal, Transient Stability, & Post Transient– TPL-001 thru TPL-004


20

3.d. Generation Interconnection Requests

• Generation Interconnection requests– APS OASIS contains Generation

Interconnection Queue• http://www.oatioasis.com/azps/index.html• 74 Solar projects - 5677 MW• 9 Wind projects - 3378.8 MW• 1 natural gas project - 320 MW

Note: Generator Queue information as of 6/14/12


21

http://www.oatioasis.com/azps/index.html�


22

A - Delaney/Sun Valley• 4 projects• 2120 MWB - HAA-NG 500kV line• 8 projects• 2098 MWC - Gila Bend/Buckeye• 41 projects• 1232 MWD - Yuma• 5 projects• 154 MWE - La Paz• 2 projects• 40 MWF - Cholla/Showlow• 8 projects• 933 MWG - Northern AZ• 9 projects• 2254 MWH- Pinal County• 2 projects• 31 MWI - Cochise County• 1 projects• 20 MW

Note 1: Generator Queue information as of 6/14/12Note 2: Figures displayed do not represent complete queue

CD

E

G

I


23

A - Delaney/Sun Valley• 4 projects• 2120 MWB - HAA-NG 500kV line• 8 projects• 2098 MWC - Gila Bend/Buckeye• 41 projects• 1232 MWD - Yuma• 5 projects• 154 MWE - La Paz• 2 projects• 40 MWF - Cholla/Showlow• 8 projects• 933 MWG - Northern AZ• 9 projects• 2254 MWH- Pinal County• 2 projects• 31 MWI - Cochise County• 1 projects• 20 MW

Note 1: Generator Queue information as of 6/14/12Note 2: Figures displayed do not represent complete queue

CD

E

G

I

APS 2011 System Peak = 7087 MWCurrently in Generation Queue ≈ 8,800 MW

3.e&f. Transmission Interconnection & Study Requests

• 1 Wires to Wires Interconnection Requests

• 42 Transmission Service Requests• All requests based on Four Corners transaction

• Currently no Economic Study Requests


24

3.g. Stakeholder Study Requests

• Study requests can be made at any time to:– [email protected]


25

mailto:[email protected]�

3.h. Comments & Question

• Comments…

• Questions???


26

27APS/SRP Joint Stakeholder Meeting June 28, 2012

4.a. SRP Planning Calendar & Methodology

• SRP Planning Calendar• SRP Planning Process/Methodology

APS/SRP Joint Stakeholder Meeting June 28, 2012

28

What Type of Study?1

Does Transmission Provider’s system

meetNERC/WECC

criteria?

No

Does Transmission Provider’s system meet local reliability criteria?

Yes



No

Transmission Provider coordinates with Sub-

Regional Planning Group

Yes

Economic Reliability

Transmission Provider

Evaluation

Regional

TEPPC evaluates with Stakeholder

input

Transmission Provider Economic

Study

Customer Choice of Study at Customer’s

expense

Local2

TEPPC determines high priority, performs

study

High priority

Not high priority

TEPPC determines not

high priority

Study results documented in a report and reviewed

by Customer and Transmission Provider



1. Generator Interconnection Request studies are performed pursuant to the Large Generator Interconnection Procedure contained in the Transmission Provider’s Open Access Transmission Tariff (OATT). Transmission Service Requests are also performed pursuant to OATT procedures.

2. All requests for economic planning studies received by the Transmission Provider are forwarded to TEPPC for inclusion in the TEPPC Master List. TEPPC will evaluate only those requests that have regional impacts.

Transmission Planning Process

Exhibit 1 – SRP Attachment K

APS/SRP Joint Stakeholder Meeting June 28, 2012

29


4.b. 2012 NERC Compliance Study Methodology

• Coordinated Base Cases (Seed Cases)• NERC Compliance Studies

– 2014 – APS/SRP 2014 coordinated case– 2018 – APS/SRP 2018 coordinated case

• 69kV transmission models incorporated• Most up-to-date forecasts for peak

summer loads


4.b. 2012 NERC Compliance Study Methodology

NERC Compliance Studies Cases• 2014 & 2018 Summer Peak & Off-peak Cases• 2014 & 2018 Off-peak Cases are Low Load

(winter conditions) and High Import (shoulder cases with low generation in the Phoenix Metro Area).

• Following analysis are conducted:– Thermal analysis– Post-Transient– Transient Stability


NERC Compliance StudiesNERC STANDARD Type of Studies Completed

TPL-001 (N-0) Thermal Transient Stability Post-transient

2014 Peak X

2014 Low Load X

2014 High Import X

2018 Peak X

2018 Low Load X

2018 High Import X

2018 All-in X


2014 Peak X X X

2014 Low Load X X X

2014 High Import X X X

2018 Peak X X X

2018 Low Load X X X

2018 High Import X X X


NERC Compliance StudiesNERC STANDARD Type of Studies Completed


2014 Bus outages X X X

2014 Contingency of towers X X X

2014 Stuck breaker X X X

2014 Common Corridor X X X

2014 N-1-1 X X X

2018 Bus outages X X X

2018 Contingency of towers X X X

2018 Stuck breaker X X X

2018 Common Corridor X X X

2018 N-1-1 X X X

TPL-004 (N-X) Thermal Transient Stability Post-transient

2014 Substations with generation X X

2014 Common Corridor/Substationwithout generation

X X

Note: TPL-003 studies were performed on Peak, Low Load & High Import cases


4.b 2012-2021 Ten Year Plan Methodology

• Coordinated Base Cases (Seed Cases)– 2014 WECC 2014hs3sa case– 2021 WECC 2021hs1a case

• 69kV transmission models incorporated• 2012-2021 cases built from the seed

cases• Most up-to-date forecasts for peak

summer loads


4.b 2012-2021 Ten Year Plan Methodology

2012-2021 SRP Ten-Year Plan• TPL-001 & TPL-002 Studies Conducted for

all ten years• Studies conducted using Summer Peak

Cases


4.c SRP Ten Year Plan 2012-2021


SRP’s 500kV System

CEDAR MTN (APS)




SRP’s 230kV System –East


SRP’s 230kV System - West




Electric System Additions/Upgrades

Equipment Year

Reactive Devices

Pinal Central (possible) tbd

Transformers

Kyrene 3rd 500/230kV transformer 2012

Schrader 3rd 230/69kV transformer 2013

Pinal Central 1st & 2nd 500/230kV transformers 2014

Rudd 1st 230/69kV transformer 2017-2018

Pfister (RS-24) 1st 230/69kV transformer 2021

Reconductor

Rogers-Thunderstone (possible) 2014


SRP Changes from 2011 to 2012Projects Placed in Service in 2011

– Dinosaur-Abel-Randolph 230kV line– Abel 230kV yard– Abel 230/69kV transformer– Randolph 230kV yard

Revised Project and Substation Names– Santa Rosa 500kV station has been re-named “Duke”

Revised In-Service Dates– Pfister 230kV Substation was 2019, now 2021– SunZia Southwest Transmission Project was 2015/16,

now 2016– Rudd 230/69kV was 2013, now 2017 or 2018– Schrader 230/69kV was 2014, now 2013– Rogers-Santan was TBD, now 2016


• Generation Interconnection Requests• Transmission Interconnection Requests• Transmission Service Requests• Economic Study Requests

SRP Planning - Study Requests


• Currently there are no Transmission Interconnection Requests under study

4.d. SRP Planning –Interconnection Requests (Transmission)

The joint interconnection requests are listed on SRP OASIS website @ http://www.oatioasis.com/SRP/index.html 46


Generation Interconnection Requests listed at this slide are for SRP solely owned transmission..

A. EAST VALLEY• 2 Natural Gas Projects –

819MW• 1 Solar Project – 20MW

B. EMA 115kV AREA• 1 Solar Project – 45MW

C. PINAL CENTRAL • 1 Natural Gas Project –

540MW

SRP Planning –Interconnection Requests (Generation)

BA

C


• Currently there are no Transmission Service Requests under study

4.e. SRP Planning - Transmission Service Requests

4.f. SRP Planning – Economic Study Requests

• Currently there are no Economic Study Requests


• SRP invites Stakeholders to submit request for additional transmission studies

4.g. Stakeholders Requests


4.h. SRP Planning – Comments & Questions

• Stakeholder comments/questions on 2011 Study Results or 2012 Study Requests

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

mailto:[email protected]�

5. Stakeholder Questions and Comments

Open discussion

Reference Material• WestConnect –

http://www.westconnect.com/documents.php• APS OASIS –

http://www.oatioasis.com/azps/index.html• SRP OASIS –

http://www.oatioasis.com/srp/index.html


51

http://www.westconnect.com/documents.php�

http://www.oatioasis.com/azps/index.html�

http://www.oatioasis.com/srp/index.html�

6. Action Items

• Review any action items identified for follow up

• Information addressing action items to be posted on APS and/or SRP OASIS and WestConnect website


52

Documents

APS/SRP Stakeholder Meeting For Transmission Planning FERC ... · 6/28/2012 · 10yr. Plan study effort – Determination of projects, timings, and scope 4 th Quarter Stakeholder