45
2008 Annual Five Year Plan Update 2 10/12/2007 Regional Planning: Jay Teixeira, Harry Liu, Brad Schwarz, Jeff Billo, Chris Ngai
2008 Annual Five Year PlanUpdate 2
10/12/2007
Regional Planning: Jay Teixeira, Harry Liu, Brad Schwarz, Jeff Billo, Chris Ngai
Load Assumptions
• Reliability Assessment – SSWG Forecast
• Economic Assessment – ERCOT Forecast
Generation Assumption
• Existing generation• Mothballed units in-service if reserve margin falls
below 12.5%• Removed DFW-area non-SCR units• All future generation that have signed IA• $7/MMBTU average natural gas price for all
years
Wind Generation
• All generators that are in the SSWG 2007 DSB cases updated 08/30/2007 plus:– Hackberry Wind, 165 MW, Shackelford County– Wildhorse Mountain Wind, 120 MW, Howard County– Gulf Wind, 188 MW, Kenedy County– Penascal Wind, 201 MW, Kenedy County
• Total wind plant capacity are 6514, 6903 MW in 2008 and 2009 respectively
Generation Assumption
2008 2009 2010 2011 2012
SSWG Forecast Load
Reserve Margin (with no mothball units on) 12.4% 11.9% 9.3% 6.9% 5.7%
Reserve Margin (with all mothball units on) 14.6% 14.1% 11.5% 9.1% 7.8%
ERCOT Forecast Load
Reserve Margin (with no mothball units on) 15.5% 15.6% 13.4% 11.2% 10.6%
Reserve Margin (with all mothball units on) 17.9% 17.9% 15.7% 13.4% 12.8%
5-year Study Process
Existing 2012 SSWG Base case
Conditioned Case
Adding Reliability Projects
Reliability Analysis – TO and ERCOT
TPIT and RPG Analysis – TO and ERCOT
Remove Non-RPG approved projects
Base case for economic study
Update the topology and Switch to ERCOT forecast
Adding Economic Projects
RepeatProcessfor previous year
UPLAN Economic Analysis – TO and ERCOT
Final topology for the year
Reliability Projects
Definitions
• Reliability Projects – Transmission projects that are needed to meet NERC or ERCOT reliability criteria that could not otherwise be met by any dispatch of the existing generation in planning studies
• Economic Projects – Transmission projects that are needed to allow NERC and ERCOT reliability criteria to be met at a lower total cost than the continued dispatch of higher cost generation
This distinction is made only to describe what kind of analysis is performed for the project and does not indicate whether the project is required or optional.
Three Buses Example:
– Bus 1• Generator 1
– Capacity: 1800 MW– Cost of generation: $30/MWh
– Bus 2• Load: 1200 MW
– Bus 3• Load: 300 MW
– Three transmission lines with identical rating of 1000 MW and same characteristics (Impedances).
Figure one shows the network and assumptions
How does ERCOT Evaluating Reliability Projects
How does ERCOT Evaluating Reliability Projects
3 Bus Network Example3 Bus Network Example
G1: 1800 MW
Cost: $30/MWh
1200 MW Load
Bus 2
Bus 3 Bus 1
1000 MW
1000 MW 1000 MW
Figure 1300 MW
Load
Traditional Planning: Economic DispatchTraditional Planning: Economic Dispatch
G1: 1800 MW
Cost: $30/MWh
Dispatch 1500 MW
1200 MW Load
Bus 2
Bus 3 Bus 1
1000 MW
1000 MW 1000 MW
Figure 2
Pre Contingency
• G1 is dispatched at 1500 MW to serve load at Bus 2 and Bus 3
• No overload
300 MW Load
Traditional Reliability Project: Post Contingency OverloadingTraditional Reliability Project:
Post Contingency Overloading
G1: 1800 MW
Cost: $30/MWh
Dispatch 1500 MW
1200 MW Load
Bus 2
Bus 3 Bus 1
1000 MW
1000 MW 1000 MW
Figure 3
Post Contingency:
When contingency of line from bus1 to bus3 happens, line from bus 1 to 2 overloads 150%
300 MW Load
Current Planning: Unserved Energy
Current Planning: Unserved Energy
G1: 1800 MW
Cost: $30/MWh
Dispatch 1000 MW
1200 MW Load
Bus 2
Bus 3 Bus 1
1000 MW
1000 MW 1000 MW
Figure 4
• Security constraint dispatch: G1 at 1000 MW
• No Post Contingency Overload.
• Unserved Energy 200 MW at bus 2, 300 MW at bus 3
• Line1-2 showing as a limiting element
UNS: 200 MW
300 MW Load
UNS: 300 MW
Uplan Unserved Energy Report
Line 1-3-1.00Line 1-2300Bus 3
Line 1-3-1.00Line 1-2200Bus 2
CNT 1PTDF/OTDFLimiting Elements
UNS MWUNS Bus name
Reliability Projects5 Year Plan
Reliability Projects And Date Need--Preliminary
Project Name 2008 2009 2010 2011 2012
Rothwood 345/138 kV substation
2nd Forney Auto
Roanoke Switching Station #1 345/138 kV auto
Roanoke Switch - Southlake 138 kV line
Liggett 345/138 kV autotransformer
McCree-Shiloh Upgrade
Lake Creek - Robinson 138 kV line
Coppell Tap - McKamy Tap 138 kV line
McNeil to Summit new 2nd 138kV circuit
Cross Timbers-Roanoke Upgrade
2nd Lewisville Auto
Fairdale-Brand 138 kV line
Temple N to Temple Elm Creek circuit reconfig.
West Levee Series Reactor
Anderson to West Over Hills
Discussion of Selected Reliability Project
Rothwood 345/138 kV Station
Problem:
From Bus To Bus From Bus To Bus From Bus To Bus
INTER___ 3,134.33 -0.7104 DRILCO__ N_BELT__ TOMBAL__ JEWETT_N KING____ KUYDAL74
DRILCO__ 1,584.02 -0.8149 DRILCO__ N_BELT__ TOMBAL__ JEWETT_N KING____ KUYDAL74
INTEQ___ 1,008.25 -0.7691 DRILCO__ N_BELT__ TOMBAL__ JEWETT_N KING____ KUYDAL74
TRSWIG__ 194.88 -0.452 HUMBLE__ TRSWIG__ TOMBAL__ JEWETT_N KING____ KUYDAL74
Contingency Line 2Bus Name
Unserved Energy
PTDF/OTDFOverload Element Contingency Line 1
Before Rothwood Station
TOMBAL__
KUYDAL74
KING____N_BELT__
TOMBAL66
TOMBAL__
RAYFRD66
TOMBAL81
LOUETA66
RAYFRD81
WESFLD__
LOUETA81
JESTER81
T_H_W___
BAMMEL__
JESTER67
GEARS67_
HIDDEN67
N_BELT__
T_H_W95_
GEARS95_
T_H_W81_
TRSWIG__
INTER___
INTEQ___
DRILCO__
45971
4090046100
45972
46511
46510
46261
46512
46051
46262
4657046052
45922
45510
45651
45921
4578146110
45512
45782
45511
46550
45910
45900
45740
VETRAN6746551
9%A
Amps
VETRAN8146552
45972
45971
CWESFLD_
74.2 Mvar
Unserved energy
Contingency
Overload Element
After Rothwood Station
TOMBAL__
KUYDAL74
KING____N_BELT__
TOMBAL66
TOMBAL__
RAYFRD66
TOMBAL81
LOUETA66
RAYFRD81
WESFLD__LOUETA81
JESTER81
T_H_W___
BAMMEL__
JESTER67
GEARS67_
HIDDEN67
N_BELT__
T_H_W95_
GEARS95_
HIDDEN95
T_H_W81_
TRSWIG__
INTER___
INTEQ___
DRILCO__
45971
4090046100
45972
46511
46510
46261
46512
46051
46262
4657046052
45922
45510
45651
45921
45781
45861
46110
45512
45782
45511
46550
45910
45900
45740
KUYDAL75
VETRAN6746551
9%A
Amps
VETRAN8146552
45972
45971
CN_BEL90
CWESFLD_
78.0 Mvar
T_H_W___ THW_GT1_
RW 345
46340
RW13846345
Forney 345/138 kV Auto
Problem
From Bus To Bus From Bus To Bus From Bus To Bus
SGVL1_8 2,178.77 -0.422 SGVLSW1_ SGVLSW1_ WATMLL_W TRINDAD1 WATMLL_E TRICRN1_
KLEBRG1_ 107.01 -0.3605 SGVLSW1_ SGVLSW1_ WATMLL_W TRINDAD1 WATMLL_E TRICRN1_
PTDF/OTDFOverload Element Contingency Line 1 Contingency Line 2
Bus NameUnserved
Energy
Before Forney Auto
FRNY1_5
SGVLSW1_
TRICRN1_
WATMLL_E
WATMLL_W
WATMLL_E
DESPLR1_
LNCST1_8 CRANDALL
SGVLSW1_SGVL1_8
LAWSON1_
KLEBRG1T
BCHSPG1T
KLEBRG1_
SSWWT2T_
SSWWT2_8
WILMER1_
BCHSPG1_
WATMLL_W
SSWWT1T_
SSWWT1_8HUTCH1_8
SMPST2T_
SMPST1_8
MURDCK2T
SCLFPMP1
SMPST2_8
BUNTIN2_
MURDCK2_
PLGRV1T_
CMPWSD2_
CCRST_1T
PLGRV1_8SUTHLD1_CCRST_E8
INDUST_1
INDUST_W
STAUG2T_
SUTHLD2_
PLGRV2T_
OAKLND1T
PLGRV2_8
MURDCK1T
MURDCK1_
STAUG2_8LKJN2_8
STAUG1_8LKJN1_8
FRNY1_8
MURPHY1_
WILMER1_
CCRST_9
CMPTON2_
BUNTIN1_
2432
2428
2437
2433
24352427
2429
3066 2727
24343076
2779
3077
2776
3078
3079
3080
3083
2777
2430
2965
29662964
2986
2988
2962
2989
2987
2985
2963
29602495
296129722494
2975
2974
2976
2951
2973
2952
2969
2953
2954
2955
29562957
29442945 2438
3084
2486
2982
2984
WATMLL_1
FPLEFR2A FPLEFR2B FPLEFR2C
SARGT1_5
SARGT_1T29472947
SARGT_S829482948
SARGT_N829492949
SARGT_2T2950
2997WATMLL_2
MARSHL68456845
MARSHLL_27322732
FORNEY_W2712
2946
SARGT_3T29402940
SARGT_4T29412941
7%A
Amps
DWUSSWW
WITTRD1_
SSWWT_P9230
3081
160 MW 120 Mvar
158 MW 120 Mvar 120 Mvar
LUCAS1_82778
80%A
Amps
Unserved energy
Contingency
Overload Element
Forney Vs. Seagoville
FRNY1_5
SGVLSW1_
TRICRN1_
WATMLL_E
WLEVEE1_
WATMLL_W
DESSW1_8
WATMLL_E
DESHPR1_DESPLR1_
LNCST1_8 CRANDALL
SGVLSW1_SGVL1_8
LAWSON1_
KLEBRG1T
BCHSPG1T
KLEBRG1_
SSWWT2T_
SSWWT2_8
WILMER1_
BCHSPG1_
MSQT1_8
TERRL RC
WATMLL_W
SSWWT1T_
SSWWT1_8
HUTCH1_8
SMPST2T_
SMPST1_8
MURDCK2T
SCLFPMP1
SMPST2_8
BUNTIN2_
MURDCK2_
PLGRV1T_
CMPWSD2_
CCRST_1T
PLGRV1_8SUTHLD1_
STHTN1_8
CCRST_W8 CCRST_E8
INDUST_1
STHTN2_8
INDUST_W
INDUST_E
SOKCF2_8
SOKCF1_8
STAUG2T_
CMPTON1_
SUTHLD2_
WNET3_8
WNET2_8
WALLST1_
POLK2T_8
POLK1T_8
DEALEY1_
PLGRV2T_
PARKDB2_
OAKLND1T
ELEVEE_E
POLK2_8
HMPTN2_8
POLK1_8
HMPTN1_8
WLEVEE_W
PLGRV2_8
MURDCK1T
OAKLND1_
DAVST2_8
MURDCK1_
STAUG2_8LKJN2_8
WMRLD2_8
ENET1_8
SCYENE1T
HSKEL2_8
HSKEL1T_NNET1T_8
SCYENE1_
PRCK2_8
PARKDB1_
HSKEL1_8
NNET1_8
PRCKSW1_
PRCK1_8
OAKLND2_
PARKDB3_
ENET3_8
STAUG1T_
STAUG1_8LKJN1_8
MSQTFR1_
MSQTWE1_SCYENE2T DUCKCK1T
MSQTW1_8SCYENE2_
JMLLER1_
MSQTE1_8
THRNE2_8
FRNY1_8
DUCKCK1_
LKHBPMP_
MSQTTE1_
ESIDE1T_ESIDE2T_
ESIDE1_8
ESIDE2_8 FORNY RC
NNET3_8
NNET2_8
DRAGON2_
DRAGON1_
WLEVEE_E
MURPHY1_
ELEVEE_W
WNET1_8
ENET2_8
BRYNST2_
DAVST1_8MSQT RC
WILMER1_
PARKD1_9
CCRST_9
WMRLD1_8
CMPTON2_
BUNTIN1_
WALLST2_
WLEVEE_1
WLEVEE_2
2432
2428
2437
2433
2398
24352427
24242429
30593060
3066 2727
24343076
2779
3077
2776
3078
3079
3080
3083
2777
2775
6898
2430
2965
29662964
2986
2988
2962
2989
2987
2985
2963
2960
2990
2495
29612972
2992
2493 2494
2975
2993
2974
2976
3024
3023
2951
2981
2973
2876
2875
2977
3019
3018
2842
2952
2445
2969
2482
3021
3020
2400
2953
2954
2970
2955
29562957
3004
2903
27432440
2914
2900
28982906
27452762
2442
2899
2861
2441
2763
2971
2443
2905
2939
29442945
2752
27592744 2934
2747
27542746
2748
2756
2751
2438
2935
2936
2765
27692771
2770
2772 6866
2863
2862
2857
2858
2399
2481
2874
2904
2908
6910
3084
2444
2486
3042
2982
2984
2983
2479
2480
PARKD_1T
WATMLL_1
800NET_D2806
900NET_D2807
8009001_2808
8009002_2809
8009003_2810
FLYNN_S82860
ENET_D
NNET_D
WNET_D
FPLEFRB112410
FPLEFRB212420
FPLEFR2A FPLEFR2B FPLEFR2C FPLEFR2S
FPLEFR1A FPLEFR1B
SARGT1_5
SARGT_1T29472947
SARGT_S829482948
SARGT_N829492949
SARGT_2T2950
6911MSQTV RC
2997WATMLL_2
TALTY RC6902
COMBINRC6904
CHILTPL430583058
MARSHL68456845
MARSHLL_27322732
FORNEY_W2712
FRNYW RC6865
FORNYERC6867
2946
SARGT_3T29402940
SARGT_4T29412941
8%A
Amps 8%
A
Amps
CHCLRKRD
DESSW1_5 7%A
Amps
DWUSSWW
WITTRD1_
SSWWT_P9230
3081
160 MW 120 Mvar
158 MW 120 Mvar
156 MW 120 Mvar
401 MW 175 Mvar
162 MW 120 Mvar
164 MW 120 Mvar
LUCAS1_82778
SNYVLE1_2764
WNET400_2872
DESPKV2_12425
MSQTTE1T2767
81%A
Amps
80%A
Amps
Forney Vs. Seagoville
FRNY1_5
SGVLSW1_
TRICRN1_
WATMLL_E
WLEVEE1_
WATMLL_W
DESSW1_8WATMLL_E
DESPLR1_
LNCST1_8 CRANDALL
SGVLSW1_SGVL1_8
LAWSON1_
KLEBRG1T
BCHSPG1T
KLEBRG1_
SSWWT2T_
SSWWT2_8
WILMER1_
BCHSPG1_
MSQT1_8
TERRL RC
WATMLL_W
SSWWT1T_
SSWWT1_8HUTCH1_8
SMPST2T_
SMPST1_8
MURDCK2T
SCLFPMP1
SMPST2_8
BUNTIN2_
MURDCK2_
PLGRV1T_
CMPWSD2_
CCRST_1T
PLGRV1_8SUTHLD1_
CCRST_W8 CCRST_E8
INDUST_1
INDUST_W
INDUST_E
SOKCF2_8
SOKCF1_8
STAUG2T_
CMPTON1_
SUTHLD2_
WNET3_8
WNET2_8
WALLST1_
POLK1T_8
DEALEY1_
PLGRV2T_
OAKLND1T
PLGRV2_8
MURDCK1T
OAKLND1_
MURDCK1_
STAUG2_8LKJN2_8
PARKDB1_
OAKLND2_
STAUG1_8LKJN1_8
FRNY1_8
ESIDE1T_ESIDE2T_
ESIDE1_8
ESIDE2_8 FORNY RC
WNET1_8 MSQT RC
WILMER1_
PARKD1_9
CCRST_9
CMPTON2_
BUNTIN1_
WALLST2_
2432
2428
2437
2433
2398
24352427
24242429
3060
3066 2727
24343076
2779
3077
2776
3078
3079
3080
3083
2777
2775
6898
2430
2965
29662964
2986
2988
2962
2989
2987
2985
2963
2960
2990
2495
296129722493 2494
2975
2974
2976
3024
3023
2951
2981
2973
2876
2875
2977
2842
2952
2969
2953
2954
2970
2955
29562957
2442
2971
2939
29442945
2756
2438
27692771
2770
2772 6866
28746910
3084
2444
2486
2982
2984
2983
WATMLL_1
800NET_D2806
900NET_D2807
8009001_2808
8009002_2809
8009003_2810
WNET_D
FPLEFRB212420
FPLEFR2A FPLEFR2B FPLEFR2C FPLEFR2S
SARGT1_5
SARGT_1T29472947
SARGT_S829482948
SARGT_N829492949
SARGT_2T2950
6911MSQTV RC
2997WATMLL_2
TALTY RC6902
COMBINRC6904
CHILTPL4
MARSHL68456845
MARSHLL_27322732
FORNEY_W2712
FRNYW RC6865
FORNYERC6867
2946
SARGT_3T29402940
SARGT_4T29412941
8%A
Amps
DWUSSWW
WITTRD1_
SSWWT_P9230
3081
160 MW 120 Mvar
158 MW 120 Mvar
156 MW 120 Mvar
401 MW 175 Mvar
162 MW 120 Mvar
164 MW 120 Mvar
LUCAS1_82778
WNET400_2872
MSQTTE1T
2767
82%A
Amps
80%A
Amps
Contingency
No Overload
Second Auto
Roanoke1 345/138 kV Auto
Problem
From Bus To Bus From Bus To Bus From Bus To Bus
ROANOKE1 1,697.42 -0.4183 ROANOKE1 ROANOKE1 ROANOKE2 ROANOKE2
MCPHERSO 229.75 -0.4074 ROANOKE1 ROANOKE1 ROANOKE2 ROANOKE2
ELIZCRK1 23.92 -0.4152 ROANOKE1 ROANOKE1 ROANOKE2 ROANOKE2
Bus NameUnserved
EnergyPTDF/OTDF
Overload Element Contingency Line 1 Contingency Line 2
Before Roanoke1 Auto
ROANOKE2
ALLIANCEIBM
ROANOKE1
KELLER
WROANOKE
MCPHERSN
1853
1855
18542018
640
18571855
CROSTIMB661
ROANOKE3
ROANOKE1
ROANOKE1ROANOKE2
ROANOKE1
ROANOKE2
ROANOKE2
HERITAGEKELLER2_
1852
1850
1851 1849
1845
1847
1848
JETER627
Unserved energy
Overload Element
Contingency
McNeil to Summit Second Circuit
Problem
From Bus To Bus From Bus To Bus From Bus To Bus
HAMILMB2 58.03 -0.5426 MCNEILN SUMMITN MCNEILS MAGPLANT MCNEILN SUMMITN
SUMMITN 2,089.68 -0.6174 MCNEILN SUMMITN MCNEILS MAGPLANT MCNEILN SUMMITN
SUMMITS 213.12 -0.6143 MCNEILN SUMMITN MCNEILS MAGPLANT MCNEILN SUMMITN
Contingency Line 1 Contingency Line 2Bus Name
Unserved Energy
PTDF/OTDFOverload Element
Before McNeil to Summit
L_MCNEIL
MCNEILN
MCNEILW
MCNEILS
HAMILMB2
HAMILMB1
SUMMITN
SUMMITSMCNEIL
7334
9079
9076
9077
9203
9279
92809080
MAGPLANT9238
9283UTBALC
L_MCNEIL
Contingency
Unserved energy
Overload Element
Fairdale to Brand Upgrade
Problem
From Bus To Bus From Bus To Bus From Bus To Bus
FAIRDALE 1,624.78 -0.3574 FAIRDALE BRAND SHILOH MCCREE8 MCCREE9 MCCREE8
SHILOH 250.49 -0.3561 FAIRDALE BRAND SHILOH MCCREE8 MCCREE9 MCCREE8
PLASTIPA 117.68 -0.3568 FAIRDALE BRAND SHILOH MCCREE8 MCCREE9 MCCREE8
KRAFT 81.58 -0.3566 FAIRDALE BRAND SHILOH MCCREE8 MCCREE9 MCCREE8
Contingency Line 1 Contingency Line 2Bus Name
Unserved Energy
PTDF/OTDFOverload Element
BENDAVIS
PLRD1_8
PLRD2_8
LKHLS2T_
FORSTV2TGARL1_8
GARLW1_8
FORSTV1_
WALNT2T_WALNT2_8
RICH_WH_
APOLLO
MCCREE8
WYNNJOYC
SHILOH
KRAFT
FAIRDALE
BRAND
WALNT1T_
AIRLIQD1
WALNT1_8
AIRLIQD1
MCCREE9
RAYTHEON
JUPITER
OAKLAND
NEWMAN9
LAWLER
WALNUT
MILLER
NAAMAN
CASTLE_D
970
2921
2922
2924
2929
2701
2700
2699
26092610
2698
802
834
813
830
827
832
804
809
814
823
824
825
826
NEWMAN_G
993BENDAVIS
MARQUIS9852
MARQUIS848
CRIST
BENDAVIS
MCCREE1_
MCCREE_5
13%A
Amps
KRAFTTAP
LAWLERT
0 MW 0 Mvar
973
974
994
NEWMAN8849
805
815
806
820
801
836 PLASTIPA808
STAR BUS99971
Before Fairdale to Brand Upgrade
Contingency
Unserved energy
Overload Element
After Fairdale to Brand Upgrade
BENDAVIS
PLRD1_8
PLRD2_8
LKHLS2T_
FORSTV2TGARL1_8
GARLW1_8
FORSTV1_
WALNT2T_WALNT2_8
RICH_WH_
APOLLO
MCCREE8
WYNNJOYC
SHILOH
KRAFT
FAIRDALE
BRAND
WALNT1T_
AIRLIQD1
WALNT1_8
AIRLIQD1
MCCREE9
RAYTHEON
JUPITER
OAKLAND
NEWMAN9
LAWLER
WALNUT
MILLER
NAAMAN
CASTLE_D
970
2921
2922
2924
2929
2701
2700
2699
26092610
2698
802
834
813
830
827
832
804
809
814
823
824
825
826
NEWMAN_G
993BENDAVIS
MARQUIS9852
MARQUIS848
CRIST
BENDAVIS
MCCREE1_
MCCREE_5
13%A
Amps
KRAFTTAP
LAWLERT
0 MW 0 Mvar
973
974
994
NEWMAN8849
805
815
806
820
801
836 PLASTIPA808
STAR BUS99971
No Overload
Problem
McCree - Shiloh Upgrade
From Bus To Bus From Bus To Bus From Bus To Bus
FAIRDALE 1,624.78 -0.3574 FAIRDALE BRAND SHILOH MCCREE8
Bus NameUnserved
EnergyPTDF/OTDF
Overload Element Contingency Line 1 Contingency Line 2
BENDAVIS
OATESGARLDPL2
PLRD1_8
PLRD2_8
LKHLS2T_
LKHLS2_8
FORSTV2T
FORSTV2_GARL1_8
GARLW1_8
FORSTV1_
BENDAVIS
WALNT2T_WALNT2_8
RICH_WH_
RICH_E_8
APOLLO
RICH1_8
RICH_SV_
MCCREE8
WYNNJOYC
SHILOH
KRAFT
FAIRDALE
BRAND
WALNT1T_
AIRLIQD1
WALNT1_8
AIRLIQD1
MCCREE9
RAYTHEON
JUPITER
PRAXAIR
OAKLAND
NEWMAN9
LAWLER
WALNUT
MILLER
NAAMAN
CASTLE_D
970
2920
2921
2922
2924
2926
2929
29302701
2700
2699
968
26092610
2698
2690
802
26862683
2684
834
813
830
827
2607
2595
2608
2606
832
804
807
809
814
823
824
825
826
NEWMAN_G
993BENDAVIS
MARQUIS9852
MARQUIS848
CRIST
BENDAVIS
MCCREE1_
MCCREE_5
17%A
Amps
KRAFTTAP
LAWLERT
0 MW 0 Mvar
973
974
994
828
NEWMAN8849
805
815
806
820
801
836 PLASTIPA808
STAR BUS99971
STAR BUS99972
STAR BUS99973
Contingency
Unserved energy
Overload Element
Before McCree-Shiloh Upgrade
After McCree-Shiloh Upgrade
BENDAVIS
GARLDPL2
PLRD1_8
PLRD2_8
LKHLS2T_
LKHLS2_8
FORSTV2T
FORSTV2_GARL1_8
GARLW1_8
FORSTV1_
BENDAVIS
WALNT2T_WALNT2_8
RICH_WH_
RICH_E_8
APOLLO
RICH1_8
RICH_SV_
MCCREE8
WYNNJOYC
SHILOH
KRAFT
FAIRDALE
BRAND
WALNT1T_
AIRLIQD1
WALNT1_8
AIRLIQD1
MCCREE9
RAYTHEON
JUPITER
PRAXAIR
OAKLAND
NEWMAN9
LAWLER
WALNUT
MILLER
NAAMAN
CASTLE_D
970
2921
2922
2924
2926
2929
2701
2700
2699
968
26092610
2698
2690
8022684
834
813
830
827
2607
2595
2608
2606
832
804
807
809
814
823
824
825
826
NEWMAN_G
993BENDAVIS
MARQUIS9852
MARQUIS848
CRIST
BENDAVIS
MCCREE1_
MCCREE_5
17%A
Amps
KRAFTTAP
LAWLERT
0 MW 0 Mvar
973
974
994
NEWMAN8849
805
815
806
820
801
836 PLASTIPA808
STAR BUS99971
STAR BUS99972
STAR BUS99973
Contingency
No Overload
Problem
Cross Timbers to Roanoke Upgrade
From Bus To Bus From Bus To Bus From Bus To Bus
CROSTIMB 795.29 -0.7545 CROSTIMB ROANOKE2 LEWISVLS LEWISVIL
Contingency Line 1 Contingency Line 2Bus Name
Unserved Energy
PTDF/OTDFOverload Element
ROANOKE2
ALLIANCE
CRLTN_NW
MCKAMYRD
COPPELL_
MCKAMY
COPPELL
GRAPEVIN
MOUND
IBM
LEWISVIL
ROANOKE1
LEWISVLS
KELLER
STHLAKE1
WROANOKE
KLR_MAG2
ROANOKE
LEW_JNS_
TNLWVLST
TNLWVLTITNLAKEPN
TNLWVLWE
FLWRMND_TNJONES_CHISOLM
MCPHERSN
MCPHERSO
1853
1855
2024
2015
658
648
555
656
556
660
1854
645
565
2020
2018
2034
640
1972
37100
37080
37010
37060
2030
37030
1970
1857
679
1855
CROSTIMB661
TNBIOENR37011
50%A
Amps
63%A
MVA
FLWRMNDS20312031
ROANOKE3
ROANOKE1
ROANOKE1ROANOKE2
ROANOKE1
ROANOKE2
ROANOKE2
18%A
Amps
22%A
Amps
HERITAGEHRTAG1_T HRTAG2_T
KELLER1T
KELLER2_
ELIZCRK11866
ELIZCRK21867
1852
1850
1851 1849
1845
1847
1848
PONDER
SNDYLAK12012
ELZBTHCR624
JETER627
Contingency
Unserved energy
Overload Element
Before Cross Timbers to Roanoke Upgrade
After Cross Timbers to Roanoke Upgrade
EAGLEMNT
ROANOKE2
ALLIANCE
CRLTN_NWMCKAMY_T
MCKAMYRD
COPPELL_
MCKAMY
COPPELL
GRAPEVIN
MOUND
IBM
LEWISVIL
ROANOKE1
LEWISVLS
KELLER
STHLAKE1
WROANOKE
EMCS1_8
KLR_MAG2
ROANOKE
LEW_JNS_
TNLWVLST
TNLWVLTITNLAKEPN
TNLWVLWE
FLWRMND_TNJONES_CHISOLM
RHOME_8
MCPHERSN
MCPHERSO
1853
1855
2025
2024
2015
658
648
555
656
556
660
1854
645
565
2020
2018
2065
2034
640
1972
37100
3708037010
37060
2030
37030585
1970
1857
679
1855
CROSTIMB661
TNBIOENR37011
50%A
Amps
63%A
MVA
FLWRMNDS20312031
KIMBALRO
ROANOKE3
ROANOKE1
ROANOKE1ROANOKE2
ROANOKE1
ROANOKE2
ROANOKE2
18%A
Amps
22%A
Amps
HERITAGEHRTAG1_T HRTAG2_T
KEL_MAG2
KELLER1T
KELLER2_
ELIZCRK11866
ELIZCRK21867
1852
1850
1851 1849
1845
1847
1848
PONDER669
SNDYLAK12012
ELZBTHCR624
JETER627
Contingency
No Overload
Problem
Liggett Auto Upgrade
From Bus To Bus From Bus To Bus From Bus To Bus
SHDYGRV1 1,942.77 -0.1685 LIGGETTA LIGGETT_ LIGGETT_ LIGGETTA
INT_AIR1 547.85 -0.1663 LIGGETTA LIGGETT_ LIGGETT_ LIGGETTA
Bus NameUnserved
EnergyPTDF/OTDF
Overload Element Contingency Line 1 Contingency Line 2
Before Liggett Auto Upgrade
LIGGETTALIGGETTA
LIGGETTA LIGGETTA1925
1922
1921
1925LIGGETT_ LIGGETT_19261927
Unserved-Limiting Elements-Contigency
From Bus To Bus From Bus To Bus From Bus To Bus
Roanoke Switch - Southlake 138 kV line
WROANOKE 441.89 -0.7544 ROANOKE2 WROANOKE ROANOKE2 KELLER2_ ROANOKE1 MCPHERSN
Coppell Tap - McKamy Tap 138 kV line
LEWISVIL 14.60 -0.7046 COPPELTP MCKAMY_T LEWISVLS LEWISVIL
Lake Creek - Robinson 138 kV line
ROBINSON 2,062.20 -0.6447 LAKE_CRK ROBINSON LAKE_CRK WACOLASA
2nd Lewisville Auto
JMCRSTL1 1,032.12 -0.0939 TNLAKEPN CRLTN_NW LEWISVLS LEWISVIL
Contingency Line 2Bus NameUnserved
EnergyPTDF/OTDF Overload Element Contingency Line 1
From Bus To Bus From Bus To Bus From Bus To Bus
West Levee Series Reactor
800NET_D 265.30 -0.2575 WLEVEE1_ WLEVEE_2 WLEVEE1_ WLEVEE_1
DRAGON2_ 220.62 -0.2609 WLEVEE1_ WLEVEE_2 WLEVEE1_ WLEVEE_1
DRAGON1_ 174.96 -0.26 WLEVEE1_ WLEVEE_2 WLEVEE1_ WLEVEE_1
900NET_D 160.31 -0.2575 WLEVEE1_ WLEVEE_2 WLEVEE1_ WLEVEE_1
REAGAN2_ 36.80 -0.2563 WLEVEE1_ WLEVEE_2 WLEVEE1_ WLEVEE_1
LMOALT2_ 6.57 -0.2563 WLEVEE1_ WLEVEE_2 WLEVEE1_ WLEVEE_1
Temple N to Temple Elm Creek circuit reconfig.
TEMP_SE1 375.98 -0.7333 TEMP_SS_ TEMP_SE1 TEMPLE_N TEMPELMC TEMPLE_N TEMPELMC
SCOTWHIT 102.53 -0.7251 TEMP_SS_ TEMP_SE1 TEMPLE_N TEMPELMC TEMPLE_N TEMPELMC
TEMPLE_S 92.02 -0.7136 TEMP_SS_ TEMP_SE1 TEMPLE_N TEMPELMC TEMPLE_N TEMPELMC
Bus NameUnserved
EnergyPTDF/OTDF Overload Element Contingency Line 1 Contingency Line 2
Unserved-Limiting Elements-Contigency
Continued
Economic Projects
2012 Economic Project
• Performed preliminary economic project analysis
• Creating list and send to TOs for review:– Technical feasibility of the proposed
projects
– Cost estimates of the projects
– Alternative proposals and cost
Economic Projects
• Use the list of projects in 2012 as a manual to do other year economic analysis– If there is congestion, see if the project from the
2012 list can economically solve the issue
– If there is congestion that can not be solved by any of the projects in 2012 economic project list:
• Determine if there is a project that can generate enough revenue in the first few years to cover the capital cost
• Any other temporary solutions
Questions?
