2019 & 23 draft lcr study results fresno area · 2018-04-04 · 2019 & 23 draft lcr study...
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ISO PublicISO Public
2019 & 23 Draft LCR Study Results
Fresno Area
Vera Hart
Senior Regional Transmission Engineer
Stakeholder Meeting
April 9, 2018
ISO Public
Fresno LCR Area
Kern
Area
Slide 2
ISO Public
Greater Fresno Area
Electrical Boundaries and LCR Sub-Areas
LCR Sub-Areas:
Slide 3
Electrical Boundaries:
● Gates – Mustang #1 230 kV line
● Gates – Mustang #2 230 kV line
● Panoche – Tranquility #1 230 kV line
● Panoche – Tranquility #2 230 kV line
● Warnerville – Wilson 230 kV line
● Melones – Wilson 230 kV line
● Panoche 230/115 kV transformer #1
● Panoche 230/115 kV transformer #2
● Smyrna – Alpaugh – Corcoran 115 kV line
● Los Banos #3 230/70 kV transformer
● Los Banos #4 230/70 kV transformer
● San Miguel – Coalinga #1 70 kV line
● Gates 230/70 kV transformer #1
Melones
Wilson
Warnerville
Gregg
Los Banos
Panoche
Gates
Henrietta
McCall
Helms
Helm
Mcmullin
Kearney
Herndon
Kngsbrg
Corcoran
Alpaugh
Gates 70 kVCoalnga
San Miguel
Wilson Sub Area
ISO Public
Fresno Area Load and Resources (MW)
Gross Load = 3165 3276
AAEE = -33 -114
DG = -158 -35
Net Load = 2974 3127
Transmission Losses = 95 104
Net Load + Losses = 3070 3231
Market Generation = 3215 3215
Muni Generation = 311 311
QF Generation = 28 28
Total Qualifying Capacity = 4357 4492
2019 2023
Slide 4
ISO Public
New transmission projects modeled:
1. Leemore 701kV Disconnect Switches Replacement (Jun 2018)
2. Los Banos-Livingston Jct-Canal 70kV Switch Replacement (Jun 2018)
3. Gates 500/230 TB#12 addition (Dec 2019)
4. Kearney-Caruthers 70kV reconductoring (2019)
5. Borden 230kV Voltage Support (2019)
6. Kearney-Herndon 230 kV Line Reconductor (2019)
7. Wilson 115kV SVC(2020)
8. Northern Fresno 115kV Reinforcement (Revised scope- 2020)
9. Wilson-Legrand 115 kV Reconductoring (2020)
10. Panoche-Oro Loma 115 kV Reconductoring (2020)
11. Oro Loma 70kV Reinforcement (2020)
12. Reedley 70 kV Reinforcement Projects (2021)
13. Herndon-Bullard Reconductoring Projects (2021)
Slide 5
ISO Public
Hanford
Fresno Area LCR
Hanford Sub-Area
McCall
Gates
Henrietta
Limiting Contingencies:
Category P7:
L-2 Gates-Mustang #1 and Gates-
Mustang #2 230kV Lines
Constraint McCall-Kingsburg #1 115kV
line
Category P1: No LCR need
ContingencyCat. P7.
P15 S-N
2019 LCR 56
2023 LCR 107
LCR Results (MW):
Slide 6
Kingsburg
GWF-Hanford
Small Solar
CorcoranMustang
ISO Public
Fresno Area LCR
Coalinga Sub-Area
Slide 7
Limiting Contingencies:
Category P1-P7:
T-1/L-2: Gates 230/70kV TB #5 and
Panoche-Schindler #1 & #2 115kV
common tower lines
Constraint: Voltage instability
Category P1: No LCR need
ContingencyCat. P1-P7
N-S
2019 LCR 19
2023 LCR 16
LCR Results (MW):
Coalinga
Gates
Calfax
Huron
Schindler DJacalito
Schindler
Coalinga 2
Q633 SS
Plesant
Valley
Penzir Jc
To
Panoche
Coalinga 1
Tornado JCoalinga
Cogen
To Paso
Robles
Q532
Q526
ISO Public
Fresno Area LCR
Borden Sub-Area
Slide 8
Limiting Contingencies:
Category P1: No LCR need
Category P6:
L-1/T-1: Friant - Coppermine 70 kV
and Borden 230/70 kV # 2
Constraint: Borden 230/70 kV # 1
Contingency Cat. P6
2019 LCR 1
2023 LCR 8
LCR Results (MW):Borden
Borden
Glass
Madera
Wishon
Coppermine
Bonita
BiolaFriant
SJ#1
SJ#2
SJ#3
Crane
Valley
To Reedley
Tivy Valley
Solar
Unit
ISO Public
Fresno Area LCR
Reedley Sub-AreaLimiting Contingencies:
Category P6:
L-1-1: McCall-Reedley (McCall-Wahtoke) 115 kV &
Sanger-Reedley (Pomegranate-Pomegranate Jct) 115 kV
Constraint: Kings River-Sanger-Reedley 115 kV
Category P1: No LCR need
Contingency Cat. P6 S-N
2019 LCR 5
2019 Deficiency 1
2023 LCR 12
2023 Deficiency 1
LCR Results (MW):
Slide 9
Reedley
McCall
Sanger
Wahtoke
Parlier
Kings
River
Reedley
Dinuba
Orosi
Sand Creek
Reedley
7MW BESS
in 2021
ISO Public
Limiting Contingency:
Category P3:
G-1/L-1: Herndon-Barton 115kV & Balch 1
Constraint: Herndon-Manchester 115 kV
Category P6:
L-2: Herndon-Woodward 115kV line and
Herndon-Barton 115kV
Constraint: Herndon-Manchester 115kV line
Fresno Area LCR
2019 Herndon Sub-Area
LCR Results (MW):
Slide 10Kings River,
Pine Flats
HelmsGregg
McCall
Herndon
Panoche
Henrietta
Sanger
Haas,
Balch
Rio Bravo
Fresno
KRCD Malaga
GWF
Hanford
Kerckhof
ClovisBullard
Woodward Coppermine
Kingsburg
Wilson
Le Grand
Gates
Manchester
Barton
ContingencyCat. P3
N-S
Cat. P6
N-S
2019 LCR 267 792
Ashlan
ISO Public
Limiting Contingency:
Category P3:
G-1/L-1: Herndon-Barton 115 kV line and Balch 1 unit
Constraint: Herndon-Manchester 115 kV line
Category P6:
L-2: Herndon-Woodward 115kV line and Herndon-
Barton 115kV
Constraint: Herndon-Manchester 115kV line
Fresno Area LCR
2023 Herndon Sub-Area
LCR Results (MW):
Slide 11Kings River,
Pine Flats
Helms
Gregg
McCall
Herndon
Panoche
Henrietta
Sanger
Haas,
Balch
Rio Bravo
Fresno
KRCD Malaga
GWF
Hanford
Kerckhof
ClovisBullard
Woodward Coppermine
Kingsburg
Borden
Gates
Manchester
Barton
Contingency Cat. P3 Cat. P6
2023 LCR 293 821
Ashlan
ISO Public
Fresno Area LCR
2019 Overall (Wilson Sub-Area)
Hanford
Borden
Reedley
Fresno
Haas,
Balch,
Pine Flats
Helms
Gregg
McCall
Herndon
Wilson
Panoche
Gates
KearneyMcMullin
Helm
Borden
Melones Warnerville
Henrietta
Limiting Contingencies:
Category P3:
L-1: Panoche-Mendota 115 kV line & one Helms unit out
Constraint: Panoche-Oro Loma 115 kV- (From Panoche
Jn To Hammonds)
Category P7:
L-2: Borden-Gregg 230kV line #1 and #2 DCTL ( Former
Wilson-Gregg 230kV line and Borden-Gregg)
Constraint: Panoche-Oro Loma 115 kV- (From Panoche
Jn To Hammonds
LCR Results (MW):
Slide 12
Oro Loma
El Nido
Mendota
ContingencyCat. P3
S-N
Cat. P7
S-N
LCR 1406 1670
Dairyland
Le Grand
Exchequer
ISO Public
Hanford
Mendota
Merced
Madera
Fresno
Haas,
Balch,
Pine
Flats
Helms
Gregg
McCall
Herndon
Wilson
Panoche
Gates
Los Banos
McMullin
Helm
Borden
Melones Warnerville
Henrietta
Slide 13
Fresno Area LCR
2023 Overall
Limiting Contingencies:
Category P3:
G-1/L-1: Gates-Mustang 230kV #1 or #2 line and
one Helms unit out
Constraint: Remaining Gates-Mustang 230kV line
Category P6:
L-2: Gates-Mustang 230kV #1 or #2 line and
Helms-Gregg 230kV line
Constraint: Remaining Gates-Mustang 230kV line
LCR Results (MW):
ContingencyCat. P3
S-N
Cat. P6
S-N
LCR 1688 1688 Mustang
Tranquility
ISO Public
Changes
Since last year:
1) Updated NQC
2) 2019 load decreased by 220 MW vs. 2018
3) LCR has decreased by 410 MW due to load decrease and new projects.
4) 2023 load decreased by 121 MW vs 2022
5) LCR has decreased by 171 MW due to load decrease andthe new Gates 500/230kV transformer bank.
Slide 14
ISO Public
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