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Study Results BLM Renewable Energy Zone Study

Study Results BLM Renewable Energy Zone Study. BLM Study Scoping BLM Priority Renewable Energy Development Areas. Initial Proposal - 2 Studies Outside CA Resource Areas + Transmission Brenda, Gillespie, Afton, Armargosa ~ 4,000 MW Solar Inside CA Resource Areas + Transmission

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Study Results BLM Renewable Energy Zone Study

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  1. Study ResultsBLM Renewable Energy Zone Study

  2. BLM Study ScopingBLM Priority Renewable Energy Development Areas Initial Proposal - 2 Studies • Outside CA Resource Areas + Transmission • Brenda, Gillespie, Afton, Armargosa • ~ 4,000 MW Solar • Inside CA Resource Areas + Transmission • Imperial East, Riverside East, Chocolate • ~ 15,000 MW Solar

  3. 2022 PC30–1 BLM OutsideCalifornia Goal and Process • Central Goal: The Bureau of Land Management (BLM) Renewable Energy Zone (REZ) study goal is to identify what transmission may be required to deliver resources from REZ’s to loads. • Process: • Add REZ resources to 2022 Common Case. REZ capacities (MW) are defined by the BLM. • Evaluate congestion impacts from resource additions • Add transmission in the form of hypothetical or actual projects to relieve apparent congestion and deliver of REZ resources to load. • The BLM REZ studies were broken into two-high priority studies: • PC30-1: All REZ’s outside of California (high priority) • PC30-2: All REZ’s within California (high priority)

  4. Study ResultsBLM Renewable Energy Zone StudyOutside-CA Case

  5. 2022 PC30–1 BLM Outside California Resource Additions - Location of SEZ 754 MW 298 MW 2,663 MW 233 MW

  6. Additional Generation: • 3,800 GWh Solar PV • 4,600 GWh Solar CSP 0 • Total 8,400 GWh • Delivered Generation = 6,700 GWh • Dump = 1,700 GWh

  7. ?

  8. 2022 PC30–1 BLM Outside California Impacted WECC Paths Path 52 754 MW Path 60 298 MW 233 MW Path 47 2,663 MW

  9. 2022 PC30–1 BLM Outside CaliforniaTransmission Congestion E to W W to E

  10. 2022 PC30–1 BLM Outside CaliforniaTransmission Congestion W to E

  11. 2022 EC30–1 BLM Outside California Transmission Additions • Path 52 and Path 60: • Amargosa-Northwest (500 kV) • Single circuit 500-kV line • Path 47: • Sunzia Project (Pinal Central to Deming Sub) • Used TEPPC EPC file

  12. 10-Year Study ResultsEC30-1 BLM Outside CA Amargosa-Northwest SunZia

  13. 2022 EC30–1 BLM Outside California Transmission Additions Sunzia Project (500-kV dbl) Amargosa-Northwest (500 kV) Path 52 754 MW Path 60 298 MW 233 MW Path 47 2,663 MW

  14. Additional Generation: • 3,800 GWh Solar PV • 4,600 GWh Solar CSP 0 • Total 8,400 GWh • Delivered Generation = 8,400 GWh

  15. CA, NV Production cost decreased $78 M (.5%) Dump energy decreased 98 GWh (20%) Emergency Energy decreased .3% CO2 Emissions decreased .1%

  16. 2022 EC30–1 BLM Outside CaliforniaTransmission Impacts

  17. 2022 EC30–1 BLM Outside CaliforniaTransmission Impacts

  18. Study ResultsBLM Renewable Energy Zone StudyInside-CA Case

  19. 2022 PC30–2 BLM Inside California Modeling Changes • Resource additions located in Riverside East SEZ (13,000 MW) exceeded load in that area • PROMOD will not solve for that condition • Modeling fix: • Assign resources to buses • Assign the resources to areas outside the SEZ (i.e. where they are not physically located) • Iteratively adjust resource energy to solve for load conditions.

  20. 2022 PC30–2 BLM Inside California Resource additions-Location of SEZ 12,524 MW 5,540 MW 508 MW

  21. Additional Generation: • 15,300 GWh Solar PV • 16,700 GWh Solar CSP 0 • 1,100 GWh Geo Thermal • Total = 33,100 GWh • Total Delivered Generation = 31,300 GWh • Dump = 1,800 GWh CA, AZ, NV Production cost decreased $885 M (6%) Dump energy increased 1,800 GWh (549%) Emergency Energy increased 4% CO2 Emissions decreased 3.1%

  22. 2022 PC30–2 BLM Inside California Impacted WECC Paths Path 26 Path 61 12,524 MW 5,540 MW 508 MW Path 45

  23. 2022 PC30–2 BLM Inside CaliforniaTransmission Impacts N to S S to N

  24. 2022 PC30–2 BLM Inside CaliforniaTransmission Impacts

  25. 10-Year Study ResultsBLM Inside CA DRECP Transmission Plan

  26. Desert Renewable Conservation Plan (DRECP)Leveraged for Transmission Additions • Developed By: • California Energy Commission • California Department of Fish and Game • Bureau of Land Management • U.S. Fish and Wildlife Service • Assumptions • Need for new transmission to serve 15,000 MW of added generation in southern CA • Pre-existing transmission (approved, operational, or under construction): • Sunrise Power Project • Tehachapi Renewable Transmission Project • Barren Ridge Renewable Transmission Project • Devers-Colorado River Project • (The new transmission lines identified through this exercise have not been evaluated for their specific locations, constructability, desirability, cost, or likelihood of their successful permitting. They also have not been studied by transmission planning groups, up to this point, to identify reliability concerns or effects on other transmission systems.)

  27. DRECP Proposed Transmission:Imperial County and Riverside Resource Additions • 500-kV Lines Included • Devers-Vincent • Devers-Rancho Vista • Imperial Valley-Sycamore (dbl) • Vincent-Lighthipe • Vincent-Mesa • MidwayX-Devers (triple) • MidwayX-Imperial Valley • Devers-Valley Link to full DRECP report: http://www.drecp.org/documents/docs/alternatives_eval/Appendices/Appendix_A_TTG_Report.pdf

  28. Additional Generation: • 15,300 GWh Solar PV • 16,700 GWh Solar CSP 0 • 1,100 GWh Geo Thermal • Total = 33,100 GWh • Total Delivered Generation = 33,100 GWh CA, AZ, NV Production cost decreased $993 M (6.7%) Dump energy Increased 32 GWh (8 %) Emergency Energy increased 2.7% CO2 Emissions decreased 3.7%

  29. DRECP Proposed Transmission: Path Flows LA Path San Diego Path

  30. DRECP TransmissionPath Flows E to W E to W

  31. 2022 EC30–2 BLM Inside CaliforniaTransmission Impacts N to S S to N

  32. 2022 EC30–2 BLM Inside CaliforniaTransmission Impacts

  33. Questions or thoughts on this study?

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