2020 & 2024 Draft LCR Study Draft Results Kern Area Abhishek - PowerPoint PPT Presentation

2020 & 2024 Draft LCR Study Draft Results Kern Area Abhishek Singh Regional Transmission Engineer Lead Stakeholder Meeting March 14, 2019 ISO Public ISO Public

Kern Area LCR Sub Areas Smyrna Famoso Ultra Power Lerdo Vedder Semitropic Mt Poso Midway 7TH STND Kern PP Kern Oil 4 5 3 Live Oak West Park Oildale Kern Magunden Front PSE Bear Mtn Bolthouse Farms Lamont Wheeler Jn(2024) Double C, High Sierra, Wheeler Ridge Bader Creek Slide 2 ISO Public

New Major Projects Project Name Expected ISD Kern PP 230 kV Area Reinforcement 2021 Kern PP 115 kV Area Reinforcement Project 2023 Midway – Kern PP #2 230 kV Line 2023 Wheeler ridge Junction Station Project 2024 ISO Public Slide 3

Kern Area Overall: Load and Resources Load (MW) 2024 Generation (MW) 2024 2020 2020 Gross Load 1,169 926* Market/ Net Seller/ Battery 354 354 AAEE -15 -34 Solar 103 103 Behind the meter DG 0 0 Wind 0 0 Net Load 1,155 892 Muni 0 0 Transmission Losses 14 11 QF 8 8 Future preferred resource Pumps 0 0 0 0 and energy storage Load + Losses + 1,169 903 Total Qualifying Capacity 465 465 Pumps *Kern Area LCR definition has changed due to modeling of approved transmission upgrades Slide 4 ISO Public

Kern Area LCR Westpark Sub-Area Midway Smyrna Famoso Ultra Power Lerdo Vedder LCR Semitropic Mt Poso Cate Limiting (MW) Year Limit Contingency 7TH STND (Deficienc gory Facility Kern PP y) Kern Oil Kern-West Park 4 5 3 Live Oak First Kern-West #1 115 kV and 60 2020 B/C Limit Park #2 115 kV PSE-Bear (14) Generation West Park Kern-West Park Oildale Kern Kern-West #1 or # 2 115 kV First Front 2024 C Park #2 or # 1 and Magunden- 14 Magunden Limit 115 kV Wheeler J # 115 Bolthouse Farms PSE kV line Bear Category B requirement gets eliminated in 2024 Wheeler Jn(2024) Lamont Wheeler Ridge Double C, High Sierra, Bader Creek ISO Public Slide 5

West Park Subarea: Load Profiles ISO Public Slide 6

Kern Area LCR Kern Oil Sub-Area-Contingencies Ultra Power Smyrna Famoso Lerdo Vedder Semitropic Mt Poso 7TH STND Dexel Kern PP Kern Oil 4 5 3 Live Oak Magunden West Park Discovery Oildale Kern Front PSE Bear Mtn Bolthouse Farms Lamont Double C, High Sierra, Bader Creek Wheeler Ridge ISO Public Slide 7

Kern Area LCR Kern Oil Sub-Area LCR (MW) Year Limit Cat Limiting Facility Contingency (Deficiency) First Kern PP-Magunden-Witco 115 kV Line Kern PP-7th Standard 115 kV lines & 2020 B 131 (20*) limit ( Kern PP-Kern Water section) Mount Poso Offline First Kern PP-Magunden-Witco 115 kV Line Kern PP-7th Standard 115 kV lines & 2020 C 131 (20*) limit ( Kern PP-Kern Water section) Kern PP-Live Oak 115 kV Line * NQC deficiency is 9 MW. LCR (MW) Year Limit Cat Limiting Facility Contingency (Deficiency) First 2024 B Not Applicable limit First Kern Oil Jn to Golden Bear 115 kV line Kern PP-7th Standard 115 kV lines & Kern 2024 C 65 limit section PP-Live Oak 115 kV Line ISO Public Slide 8

Kern PP 70 kV Sub Area : Requirements Kern Power 115 kV Kern PW 2 70 kV Kern PW 1 70 kV Old River 70 Semitropic 115 LCR (MW) Year Limit Category Limiting Facility Contingency (Deficiency) Kern PW2 115/70 T/F # 1 & Kern PW2 to Kern PW1 70 2020 First Limit C Midway-Smyrna Semi tropic 65 (61*) kV Bus Tie 115 kV line Kern PW2 115/70 T/F # 1 & Kern PW2 to Kern PW1 70 2024 First Limit C Midway-Smyrna Semi tropic 73 (69**) kV Bus Tie 115 kV line * NQC deficiency is 41 MW. ** NQC deficiency is 49 MW. ISO Public Slide 9

Kern PP 70 kV Subarea: Load Profiles ISO Public Slide 10

Kern Area LCR South Kern PP Sub-Area Midway Smyrna Famoso Ultra Power Semitropic Lerdo Vedder Mt Poso 7TH STND Kern Oil Kern PP Live Oak West Park Oildale Kern Magunden Front PSE Bear Mtn Bolthouse Farms Lamont Double C, High Sierra, Wheeler Ridge Badger Creek ISO Public Slide 11

Kern Area LCR South Kern PP Sub-Area LCR (MW) Year Limit Cat Limiting Facility Contingency (Deficiency) First Midway-Kern PP 230 kV # 2 230 kV line Midway-Kern PP # 3 230 kV line & 2020 B 136 limit (Kern PP-Bkrsfield J2) High Sierra Generation First Midway-Kern PP 230 kV # 4 230 kV line( Midway-Kern PP # 2 & # 3 230 kV 2020 C 592 (230*) limit Midway-Stockdale J1) lines * NQC deficiency is 125 MW LCR (MW) Year Limit Cat Limiting Facility Contingency (Deficiency) 2024 No requirement due to modeling of approved transmission projects. 2024 ISO Public Slide 12

Kern Total LCR Need Existing Generation NQC Deficiency Total MW Need 2020 LCR Need Capacity Needed (MW) (MW) Category B (Single) 181 9 190 Category C (Multiple) 467 125 592 Existing Generation NQC Deficiency 2024 LCR Need Total MW Need Capacity Needed (MW) (MW) Category B (Single) None None None Category C (Multiple) 103 49 152 Slide 13 ISO Public

Kern Overall Load Profile ISO Public Slide 14

Changes Compared to Previous LCR Requirements 2019 2020 2023 2024 Subarea Load LCR Load LCR Load LCR Load LCR Kern PP NA NA 147 65* NA NA 154 73* 70 kV West 151 51* 165 59* 149 51* 164 14 Park Kern Oil** 720 116 745 131* 745 131* 749 65 South 1088 472 1155 592* 1140 <131 NA NA Kern Kern 1088 478* 1155 592* 1140 182* 903 152* Overall Load is Net Load+Losses *Includes Deficiency ** Kern Oil Load includes West Park Load • Updated NQC • Kern PP 70 kV is the new pocket due to change of summer setup in Kern area • 2020 area load has increased by 81 MW. The LCR requirement increases proportionally to the load growth. • 2024 area load has decreased by 237 MW due to modeling of approved transmission projects. This resulted in smaller area definition. Slide 15 ISO Public