2020 & 2024 Draft LCR Study Results Stockton Area Ebrahim - - PowerPoint PPT Presentation

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Nov 19, 2022 232 likes •399 views

2020 & 2024 Draft LCR Study Results Stockton Area Ebrahim Rahimi Lead Regional Transmission Engineer Stakeholder Meeting March 14, 2019 ISO Public ISO Public Stockton Area Transmission System & LCR Subareas Legend: Rio Oso

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ISO Public ISO Public

2020 & 2024 Draft LCR Study Results Stockton Area

Ebrahim Rahimi Lead Regional Transmission Engineer Stakeholder Meeting March 14, 2019

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ISO Public

Stockton Area Transmission System & LCR Subareas

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Legend:

Bellota 230 kV Weber 60 kV

Weber LCR Sub-Area

60 kV

Weber 230 kV Tesla 230 kV

230 kV

Stockton A 60 kV Santa Fe 60 kV Santa Fe 60 kV Hazelton JCT 60 kV

Legend:

Rio Oso 230 kV Lockeford 60 kV

Lockeford LCR Sub-Area

Lodi 60 kV Industrial 60 kV 60 kV Colony 60 kV Victor 60 kV Lockeford 230 kV Bellota 230 kV 230 kV Wodberg 60 kV

Manteca 115 kV

Legend:

115 kV Kasson 115 kV Vierra 115 kV Schulte Tesla 115 kV Tracy Salado 115 kV Ingram Creek 115 kV

GWF Tracy Units Lammers

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ISO Public

New major transmission projects

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Project Name Expected ISD Year 2020 Ripon 115 kV Line Apr-19 Stockton A – Weber #1 & #2 60 kV lines Reconductor May-19 Year 2024 Vierra 115 kV Looping Project Feb-23

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ISO Public

Power plant changes

Additions:

No new resource addition

Retirements:

No new retirements

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ISO Public

Stockton Area Overall: Load and Resources

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Load (MW) 2020 2024 Generation (MW) 2020 2024 Gross Load 1,270 1,360 Market/ Net Seller/ Battery 497 543 AAEE

Solar 1 1 Behind the meter DG Wind Net Load 1,254 1,308 Muni 137 137 Transmission Losses 22 21 QF 18 18 Pumps Future preferred resource and energy storage Load + Losses + Pumps 1,275 1,329 Total Qualifying Capacity 653 699

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Lockeford Sub Area : Requirements

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Year Category Limiting Facility Contingency LCR (MW) (Deficiency) 2020 B Lockeford – Lodi #2 60 kV Lockeford-Industrial 60 kV line and Loci CT 48 (24) 2020 C Lockeford – Lodi #3 60 kV Lockeford-Industrial and Lockeford – Lodi #2 60 kV lines 97 (73) 2024 B Lockeford – Lodi #2 60 kV Lockeford-Industrial 60 kV line and Loci CT 53 (29) 2024 C Lockeford – Lodi #3 60 kV Lockeford-Industrial and Lockeford – Lodi #2 60 kV lines 102 (78)

Lockeford Lodi Industrial

New Hope Colony Victor Lodi Jct Lockeford-Lodi #1 Lockeford-Industrial Lockeford-Lodi #2 Lockeford-Lodi #3

Legend:

60 kV

X X X

Contingency Overload

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ISO Public

Lockeford Subarea: Load Profiles

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ISO Public

Weber Sub Area : Requirements

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Year Category Limiting Facility Contingency LCR (MW) (Deficiency) 2020 B None None No requirement 2020 C Stockton A-Weber #3 Stockton A-Weber #1 and #2 60 kV lines 26 2024 B None None No requirement 2024 C Stockton A-Weber #3 Stockton A-Weber #1 and #2 60 kV lines 26

Legend:

Bellota 230 kV Weber 60 kV

Weber LCR Sub-Area

60 kV 230 kV

Stockton A 60 kV Santa Fe 60 kV Hazelton JCT 60 kV

Contingency Overload

X X

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Weber Subarea: Load Profiles

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Stanislaus Sub Area : Requirements

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Year Category Limiting Facility Contingency LCR (MW) (Deficiency) 2020 B Manteca - Ripon 115 kV Line Bellota-Riverbank-Melones 115 kV line and Stanislaus PH unit 179 2020 C Same as Category B 2024 B Manteca - Ripon 115 kV Line Bellota-Riverbank-Melones 115 kV line and Stanislaus PH unit 185 2024 C Same as Category B

Manteca 115 kV Melones 115 kV Bellota 115 kV Riverbank 115 kV Tulloch 115 kV Stanislaus 115 kV Ripon 115 kV Bellota – Riverbank – Melones SW STA Bellota – Riverbank Riverbank JCT SW STA - Menteca Stanislaus – Melones SW STA - Manteca Stanislaus – Manteca #2 Riverbank JCT 115 kV

X Legend:

115 kV

Contingency Overload

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ISO Public

Stanislaus Subarea: Flow Profiles

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ISO Public

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Year

Tesla - Bellota Sub Area : Requirements

Manteca 115 kV

Legend:

115 kV Kasson 115 kV Vierra 115 kV Schulte Tesla 115 kV

Tesla-Bellota LCR Sub-Area in 2020

Tracy Salado 115 kV Ingram Creek 115 kV

GWF Tracy Units Lammers

X X Tesla-Bellota LCR Sub-Area in 2024

Manteca 115 kV Kasson 115 kV Schulte Tesla 115 kV Tracy Salado 115 kV Ingram Creek 115 kV

GWF Tracy Units Lammers Vierra 115 kV Thermal Energy

Legend:

115 kV

X X

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Tesla-Bellota Subarea: Flow Profiles

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ISO Public

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Subarea 2019 2020 Load LCR Load LCR Lockeford 184 83 (59) 190 97 (73) Weber 229 21 238 26 Stanislaus N/A 152 N/A 179 Tesla - Bellota 761 673 (291) 848 1,117 (543) Total 1,174 777 (350) 1,275 1,241 (616)

LCR increases is mostly due to load increase. The load has a much higher effectiveness factor than the most effective resource.

N/A=Flow-through area. No defined load pocket.

Changes from 2019 to 2020

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ISO Public

Changes from 2023 to 2024

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LCR increases is mostly due to load increase. The load has a much higher effectiveness factor than the most effective resource.

N/A=Flow-through area. No defined load pocket.

Subarea 2023 2024 Load LCR Load LCR Lockeford 198 103 (79) 193 102 (78) Weber 219 21 238 26 Stanislaus N/A 147 N/A 185 Tesla - Bellota 809 319 (78) 899 881 (260) Total 1,174 439 (157) 1,275 1,009 (338)

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Stockton Area Total LCR Need

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2020 LCR Need Existing Generation Capacity Needed (MW) Deficiency (MW) Total MW Need Category B (Single) 598 89 687 Category C (Multiple) 625 616 1,240 2024 LCR Need Existing Generation Capacity Needed (MW) Deficiency (MW) Total MW Need Category B (Single) 388 29 417 Category C (Multiple) 671 338 1,009