ERCOT PUBLIC 5/20/2014 1 2014 RTP July 22, 2014. ERCOT PUBLIC 5/20/2014 2 Outline Updates to 2014...
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Transcript of ERCOT PUBLIC 5/20/2014 1 2014 RTP July 22, 2014. ERCOT PUBLIC 5/20/2014 2 Outline Updates to 2014...
ERCOT PUBLIC5/20/2014 1
2014 RTP
July 22, 2014
ERCOT PUBLIC5/20/2014 2
Outline
Updates to 2014 RTP
RTP Next steps
ERCOT PUBLIC5/20/2014 3
2014 RTP update
N-1 SCOPF reliability analysis is complete
N-1 secure case and list of placeholder projects
are posted for review
Currently working on Generator and
Transformer outage (G-1+N-1 and X-1+N-1)
reliability analysis
ERCOT PUBLIC5/20/2014 4
Transmission equipment upgrades based on N-1 SCOPF
Upgrade needs identified by kV
69 138 345 2014 RTPPreviously Identified*
Line Addition 1 6 2 9 5
Line Upgrade 11 21 - 32 17
Transformer Addition
- 3 4 7 7
Transformer upgrade
- 5 - 5 4
Terminal equipment upgrade
- 6 - 6 4
* Projects identified in previous RTP or the 2013 west Texas study which were needed in 2014 RTP
ERCOT PUBLIC5/20/2014 5
Project Description
1) Firewheel - Wylie Switch 138-kV line upgrade
2)Northwest Carrollton - Lake Pointe 138-kV line upgrade
3) Dickinson - League City 138-kV line upgrade
4) South Shore - Hidden Lakes 138-kV line upgrade
5)Loop Roans Prairie - King 345-kV line into Rothwood
6) Switched shunt at Stewart
7) Switched shunt at PH Robinson
8)Arena Tap - Andrew County South 138-kV line upgrade
9) Big Lake - Stiles new 138-kV line
10)
Flat Top TNP - Barilla Tap 138-kV tie 1. Tap existing Barilla - Musquiz138-kV line 2. New 138-kV line from the tap to Flat Top 3. New 138/69-kV transformer at Flat Top TNP 4. Upgrade Barilla Draw Tap TNP - Flat Top TNP
2014 RTPN-1 Projects
345-kV new project additions138-kV new project additions138-kV project upgrades
69-kV projects and terminal equipment upgrade projects not shown
*Projects identified in previous RTP/West Texas Study
ERCOT PUBLIC5/20/2014 6
Project Description
11)
McDonald - Spraberry 138-kV line 1. Upgrade McDonald Road 138-kV switching station 2. Install McDonald Road Sw Station - Garden City East 138-kV line on new double circuit structures and operate both 69 kV and 138 kV 3. Upgrade Spraberry 138-kV Switching Station 4. Install Spraberry Switching Station - Garden City East 138-kV line on new double circuit structures and operate both 69 kV and 138 kV
12) Midland East - Stanton East 138-kV line upgrade
13)(a) Mason - Sand Bend POI 138-kV line upgrade(b) Mason - Culberson 138-kV line upgrade
14)
(a) Add a new 345/138-kV autotransformer at Twin Buttes(b) Upgrade San Angelo Red Creek - San Angelo Coke Street 138-kV line
15)Ferguson - Sandy Creek - Pittsburg 138-kV line upgrade
16) Dermott - Ennis Creek 138-kV line upgrade
17) Morgan Creek - Cosden 138-kV line upgrade
18)Northeast Switchyard project with new auto at Highway 46 and tie to LCRA terminating at Clear Springs
19)Hutto Switch - Round Rock Northeast - Round Rock 138-kV line upgrade
2014 RTPN-1 Projects
345-kV new project additions138-kV new project additions138-kV project upgrades
69-kV projects and terminal equipment upgrade projects not shown
*Projects identified in previous RTP/West Texas Study
ERCOT PUBLIC5/20/2014 7
Project Description
20)Tap the 138-kV LCRA line between Shiner and Moulton and add a 69/138-kV auto at the GVEC Moulton substation
21) Zorn - York - Seguin 138-kV line upgrade
22)Lockhart auto and Lockhart - Seawillow - Luling 138-kV line upgrade
23) Marion - Cibolo second circuit addition
24) Pearsall - Paloduro 138-kV line upgrade
25) Fowlerton 345/138-kV auto addition
26)Lobo 345/138-kV auto addition and close San Diego tie between AEP and STEC
27) Cross Valley Project tap at South McAllen
28)Build 138-kV line between Escondido and West Batesville
29) Stewart Road - Weslaco Unit 138-kV line upgrade
30) Escondido - Eagle Pass 138-kV line upgrade
31) Bethel 138/69-kV autotransformer upgrade
32) Olsen 138/69-kV autotransformer upgrade
33) George West 138/69-kV auto upgrade*
34) Pleasanton 138/69-kV transformer upgrade*
35) Stewart 138/69-kV transformer upgrade, Stewart - Rio Rico and La Palma - Rangerville 69-kV line upgrades
2014 RTPN-1 Projects
345-kV new project additions138-kV new project additions138-kV project upgrades
69-kV projects and terminal equipment upgrade projects not shown
*Projects identified in previous RTP/West Texas Study
ERCOT PUBLIC5/20/2014 8
Next steps