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LADWP Transmission Planning Stakeholder Meeting

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LADWP Transmission Planning Stakeholder Meeting LADWP Transmission Planning Stakeholder Meeting Attachment K Planning Q2 Meeting June 8, 2018 1 Agenda 1. Welcome & Introductory Remarks – 10 minutes 2. Safety Moment – 5 minutes 3. Overview of LADWP’s Local Transmission Planning Process – 30 minutes 4. LADWP’s Attachment K 2018 Planning Cycle – 20 minutes 5. LADWP’s Attachment K 2018 Website – 5 minutes 6. Draft Business Practice Preview –5 minutes 7. Break – 15 minutes 8. Planning Assumptions, Methodology, and Criteria for 2018 – 30 minutes 9. LADWP Transmission Plan from 2017 Planning Cycle – 45 minutes 10.Next Steps & Next Public Meeting 2 Welcome & Introductory Remarks • Introductions • FERC Standards of Conduct • Critical Energy Infrastructure Information (CEII) restrictions • Purpose of Local Transmission Planning Open Public Meeting • LADWP serves as a Transmission Planner for its system and as a Transmission Coordinator for the embedded municipal systems 3 Safety Moment • Review surroundings • Emergency exit locations 4 Overview of LADWP’s Local Transmission Planning Process • Incorporated in Attachment K of the OATT • Separate Processes Different Than – Generator to Transmission Interconnection – Transmission to Transmission Interconnection – Once-Thru Cooling (OTC) Study – 100% Renewable Energy Study • Feeds into the regional and inter-regional planning processes 5 Overview of LADWP’s Local Transmission Planning Process • Comports with Order No. 890 Principles – Open Public Participation – Purpose of Planning Studies, among other things: • Transparent process that aligns with the FERC Planning Principles • Provide adequate transmission for resources in order to reliably and economically serve Network and Native Load requirements for planned loads and resources. • Accommodate requests for long-term transmission access. 6 Overview of LADWP’s Local Transmission Planning Process • Annual process • Ten year focus • Aligns with LADWP’s Strategic Long-Term Resource Plan • Factors in Public Policy Requirements applicable to LADWP and our customers • Two types of Local Planning Studies – Local Reliability Studies. – Local Economic Studies. • Introduces a process to exchange data between LADWP and our customers – Network customers are obligated to provide load and resource forecasts – Non-disclosure agreement to protect confidential data – May be an additional restriction on supplying information to competitive duty personnel (e.g., marketers) 7 Overview of LADWP’s Local Transmission Planning Process • Relationship to regional and inter-regional planning processes – The LADWP local transmission planning process coordinates with regional transmission planning processes through the Southwest Area Transmission (SWAT) group of WestConnect – LADWP engages in regional planning and coordination within the WestConnect regional planning process – LADWP coordinates its transmission plan on a west-wide inter-regional basis through SWAT and WestConnect 8 Attachment K 2018 Planning Cycle – Key Dates • May – July 2018: Transmission Planning Process (TPP) Model Development • June 2018: TPP Study Plan Finalized • June 8, 2018: Q2 Stakeholder Meeting – Status of any unresolved issues from prior local TPP cycle – Base cases, assumptions, and plan for local transmission planning study process – Local needs identified on the system to be considered – Alternatives under consideration to be evaluated • July – September 2018: TPP Analysis • November 2018: Draft TPP Results Released • Q4 Stakeholder Meeting – Overview and review of the local transmission planning study and draft results – Update on planned local transmission projects and non-transmission alternatives • December 2018: Final TPP Report Released 9 Attachment K Website • http://www.oasis.oati.com/LDWP/ • Transmission Planning Folder – Attachment K meeting notices – Presentations 10 Draft Business Practice In Development • LADWP is developing an Attachment K business practice • Will be posted on OASIS in draft for stakeholder comment before being finalized • Expected to be posted in Q3 2018 • Focus of Business Practice will be - – Process and Timing for requesting local economic transmission planning studies – Deposit requirements – Mechanisms to make requests • Economic study request process & form 11 Discussion 12 Meeting Break 13 2018 Planning Assumptions, Methodology, & Criteria • Base cases intended for use in the local transmission planning study Study Year Season WECC Base Case 2020 Heavy Summer 21HS2a Heavy Summer 23HS2a1 Light Winter 18LW2a1 2023 Heavy Winter 23HW1a1 Light Spring 21LSP1a1 2028 Heavy Summer 28HS1a1 • WECC base cases model expected seasonal power flows throughout the West • All heavy summer cases will be stressed for High PDCI and VIC-LA conditions • Light Winter case will be stressed to reflect PDCI South to North flow and high voltage conditions in LADWP system 14 2018 Planning Assumptions, Methodology & Criteria • Assumptions planned for use in the local transmission planning study – Modeled at the Receiving Station (RS) Bank Level • Historical Power Factors • Historical Loading • Station/Field Capacitors – Aggregate Load Forecast • Sept. 2017 Retail Electric Sales and Demand Forecast (detailed on next slide) • 1-in-10 heat storm throughout the City of Los Angeles 15 2018 Planning Assumptions, Methodology & Criteria • System Load Assumptions: A B1 B2 C=A+B D E=C+D F G=E‐F Coincident Peak of Owens Gross Native Generation Valley Energy 1-in-10 Coincidental Year Net 1-in-10 Gross 1-in-10 Load & Solar Efficiency * + EE Peak CHP Tran NEM Adjustments Losses 2018 6371 193 118 6682 46 6729 673 6055 2019 6353 193 128 6674 76 6750 679 6071 2020 6357 193 139 6689 101 6790 685 6105 2021 6374 193 149 6716 115 6831 693 6138 2022 6423 193 159 6775 124 6899 698 6201 2023 6469 193 170 6832 131 6963 700 6262 2024 6529 193 182 6904 135 7039 706 6333 2025 6580 193 200 6973 137 7110 713 6396 2026 6640 193 212 7044 139 7183 720 6463 2027 6698 193 222 7113 140 7253 727 6526 2028 6761 193 232 7187 142 7329 724 6605 2029 6819 193 242 7254 144 7398 714 6684 2030 6882 193 252 7327 147 7474 711 6763 2031 6938 193 263 7394 149 7543 699 6844 2032 7020 193 273 7486 151 7637 711 6926 2033 7064 193 283 7541 151 7692 683 7009 2034 7133 193 293 7620 151 7771 678 7093 2035 7197 193 302 7692 151 7843 665 7179 2036 7288 193 303 7784 151 7936 671 7265 * Assume only 50% of the 2017 forecasted EE will be installed. 16 2018 Planning Assumptions, Methodology & Criteria • Assumptions planned for use in the local transmission planning study – Solar Generation Output Assumptions: Seasons Months Hours Solar Generation Dispatch Heavy Summer Jun-Aug 14:00-16:00 70% of Pmax Heavy Winter Dec-Feb 17:00-19:00 0 Light Winter Dec-Feb 02:00-04:00 0 Light Spring Mar-Apr 12:00-14:00 100% of Pmax 17 2018 Planning Assumptions, Methodology & Criteria • Internal Generation Assumptions: Resource Type 2018 Capacity (MW) Pumped Storage 1265 Natural Gas (Basin Thermal) 3404 Wind (Pine Tree) 135 Solar (Pine Tree, Beacon, 679 Adelanto, RE-Cinco, Spring Bok(1 & 2), Spring Bok 3(In- service by 2019) Hydroelectric (Owens Gorge, 220 PP1 & PP2) Total Internal Generation 5703 % of Total Generation 61.5% 18 2018 Planning Assumptions, Methodology & Criteria • External Generation Assumptions: Resource Type 2018 Capacity (MW) Hydroelectric 496 Wind (Milford and PPM 369 Wyoming) Solar (Copper Mtn3, Moapa) 460 Coal (Intermountain) 1202 Geothermal 120 Nuclear (Palo Verde) 387 Natural Gas 531 Total External Generation 3565 % of Total Generation 38.5% 19 2018 Planning Assumptions, Methodology & Criteria • Renewable Energy Resources (2017 IRP) Capacity Project Type Status Location 2020 2023 2028 MW Pine Tree Wind 135 Existing Barren Ridge 135 135 135 Milford1 Wind 200 Existing IPP 185 185 185 Milford2 Wind 102 Existing IPP 102 102 102 CopperMountain Solar 210 Existing Marketplace 210 210 210 Pine Tree Solar 8.5 Existing Barren Ridge 8.5 8.5 8.5 Adelanto Solar 10 Existing Adelanto 10 10 10 Inyo-Barren Solar-Owens Solar 150 New x x 199 Ridge Springbok_65 Solar 105 Existing Barren Ridge 105 105 105 Sprinkbok2-65 Solar 155 Existing Barren Ridge 155 155 155 Springbok3-65 Solar 90 New Barren Ridge 90 90 88 Beacon Solar 250 Existing Barren Ridge 250 250 250 Recinco Solar 60 Existing Barren Ridge 60 60 60 Southern Moapa Solar 250 Existing 250 250 250 Nevada 20 2018 Planning Assumptions, Methodology & Criteria • Renewable Energy Resources (2017 IRP) continued Capacity Project Type Status Location 2020 2023 2028 MW Solar_PPA_2021_E + Solar 200 New Barren Ridge x 200 200 200 BESS (2hr) Solar_PPA_2023_E2 + Solar 200 New Barren Ridge x 200 200 200 BESS (2hr) Solar_PPA_2020_L + Solar 200 New IPP 200 200 200 140 BESS (4hr) Solar_PPA_2022_M + Solar 370 New Mohave x 370 370 185 BESS (4hr) Compressed Air Energy 160 New IPP x x 160 Energy Storage Storage 21 2018 Planning Assumptions, Methodology & Criteria • Major WECC Path Flow Path Rating SOL Flow Range (MW) Transmission Corridor (MW) Pacific DC Intertie (Path 65) 3220/-3100 500 to 3220 Intermountain DC (Path 27) 2400 400 to 2400 East-of-Colorado River (Path 49) 10100 3300 to 7500 West-of-Colorado River (Path 46) 11200 5000 to 8500 Victorville-Lugo 500 kV (Path 61) 2400/-900 300 to 2300 LADWP-SCE @ Sylmar (Path 41) 1600/1600 -600 to 1300 Adelanto-Toluca 500 kV Adelanto-Rinaldi 500 kV Victorville-R ina ldi 500 kV 3800 3800 Victorville-Century 287 kV Ln 1 & Ln 2 22 2018 Planning Assumptions, Methodology & Criteria • Study plan to guide the local transmission planning study – System Reliability Assessment • Subject to NERC TPL-001-4 • WECC Planning Voltage
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