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Study Results NW Resource Option Selkirk-Bell-Ashe Nicola-Chief Joseph Selkirk-Ashe DC Selkirk-Buckley DC This slide deck contains results from the 2012.

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Presentation on theme: "Study Results NW Resource Option Selkirk-Bell-Ashe Nicola-Chief Joseph Selkirk-Ashe DC Selkirk-Buckley DC This slide deck contains results from the 2012."— Presentation transcript:

1 Study Results NW Resource Option Selkirk-Bell-Ashe Nicola-Chief Joseph Selkirk-Ashe DC Selkirk-Buckley DC This slide deck contains results from the 2012 TEPPC Study Program related to the Northwest Resource Option. The results for the associated transmission expansion projects follow immediately along with flow information on impacted WECC paths.

2 Renewable Options Under High Load Cases The Basics Study Concept Starting case: 2022 High Load (PC1-5) –Increase WECC annual energy demand 8% Results in additional 12,000 GWh of RPS resource requirements (per statutes) Model added 12,000 GWh in regions throughout WECC (w/ transmission) Goal Compare different resource and transmission options Total (capital and production) cost comparisons –Will be shown at a later date

3 Add: 12,000 GWh to meet WECC RPS Add transmission Renewable Options Under High Load Cases Increase WECC-wide load 8% For these regions

4 Increase WECC-wide load 8% 1 8% 8% increase to peak and energy 10% 10% decrease to energy Higher Load = Additional RPS Energy

5 Calculate ratios of planned renewables in TEPPC 2022 Common Case Do not include existing resources Do not include DG IRP and LRS data Apply ratio to study build-out of 12,000 GWh Concept: development trends are best representation of what could be added to each state More resources available than what is identified in WREZ More granular information from CPUC/CAISO Locate resources using WREZ peer-analysis tool Extrapolation Method Add 12,000 GWh to meet WECC RPS 2

6 Wind Solar PV Solar Thermal Small Hydro Geothermal Biomass RPS Resource Option Studies Breakdown of Incremental 12,000 GWh

7 Higher load and new resources = 1- Check PRM 2 - Add CTs (if needed)

8 PC1-5 High Load PRM Gap 1) Added CTs in 100 MW increments to make up this 11,426 MW PRM Gap 2) CT’s were adjusted in Renewable Options Under High Load studies

9 Installed Generation Capacity Generation TypeAZ-NM-NVBasinAlberta British ColumbiaCA-NorthCA-SouthNWUSRMPAWECC Biomass RPS ,137 Geothermal ,4802, ,820 Small Hydro RPS ,759 Solar PV1, ,5173, ,377 Solar CSP ,591002,468 Solar CSP Wind1,9603,5974, ,1195,46012,0533,34435,009 Hydro3,9242, ,0467,8861,40130,9021,31366,811 Pumped Storage ,2121, ,296 Coal9,8759,9235, ,2396,52035,182 Nuclear4, ,2402,2461,16009,681 Combined Cycle17,1772,2636, ,00713,8047,1543,58662,900 Combustion Turbine4,3771,1464,619664,7597, ,62926,755 Other Steam1, , ,883 Other ,030 Negative Bus Load Dispatchable DSM1,1481, ,5792, ,597 Total47,37522,07722,65420,15841,11346,29957,26520,833277,775 Additional resources change this number

10 3 fewer CTs needed in Basin This makes sense: 3,000 MW wind × 10% = 300 MW to peak = 3 fewer CTs

11 WY-CO Intertie TransWest Express Zephyr A /B/C/D High Plains Express Path 8 Upgrade MSTI + SWIP N Selkirk – Bell – Ashe Nicola – Chief Joe Selkirk – Ashe DC Selkirk – Buckley DC SSPG East SSPG North SSPG South High Plains Express None Centennial West Transmission Expansion Projects 3 Add transmission

12 Now to the results… 1)Resource assumption overview 2)Portfolio Case generation results (versus PC1-5 High Load) 3)Transmission projects overview 4)Expansion case generation results (versus PC1-5 High Load and Portfolio Case) 5)Path flow results - Reviewed duration plots for key WECC paths. Will show some that are interesting in this presentation.

13 Northwest Resource Assumptions Wind Solar PV Solar Thermal Small Hydro Geothermal Biomass RPS

14 Production cost decreased $387 M (2.1%) Dump energy increased 94 GWh (29%) Emergency Energy increased 1% CO2 Emissions decreased 1.2% NV, CA, WA, OR

15 What is different? Loads Transmission Resources

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18 10-Year Study Results EC23-1 Selkirk-Bell-Ashe Project Selkirk – Bell – Ashe Nicola – Chief Joe Selkirk – Ashe DC Selkirk – Buckley DC

19 Production cost decreased $414 M (2.3%) Dump energy decreased 188 GWh (57%) Emergency Energy decreased.4% CO2 Emissions decreased 1.2% NV, CA, WA, OR

20 What is different? Loads Transmission Resources

21 What is different? Loads Transmission Resources

22 Selkirk – Bell – Ashe Nicola – Chief Joe Selkirk – Ashe DC Selkirk – Buckley DC AC projects

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25 10-Year Study Results EC23-2 Nicola-Chief Joseph Project Selkirk – Bell – Ashe Nicola – Chief Joe Selkirk – Ashe DC Selkirk – Buckley DC

26 Production cost decreased $413 M (2.3%) Dump energy decreased 203 GWh (61%) Emergency Energy increased.7% CO2 Emissions decreased 1.2% NV, CA, WA, OR, AZ

27 What is different? Loads Transmission Resources

28 Selkirk – Bell – Ashe Nicola – Chief Joe Selkirk – Ashe DC Selkirk – Buckley DC

29 What is different? Loads Transmission Resources

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32 10-Year Study Results EC23-3 Selkirk-Ashe DC Project Selkirk – Bell – Ashe Nicola – Chief Joe Selkirk – Ashe DC Selkirk – Buckley DC

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34 What is different? Loads Transmission Resources

35 What is different? Loads Transmission Resources

36 Selkirk – Bell – Ashe Nicola – Chief Joe Selkirk – Ashe DC Selkirk – Buckley DC

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39 10-Year Study Results EC23-3 Selkirk-Buckley DC Project Selkirk – Bell – Ashe Nicola – Chief Joe Selkirk – Ashe DC Selkirk – Buckley DC

40 Production cost decreased $419 M (2.3%) Dump energy decreased 329 GWh (99%) Emergency Energy decreased 5.5% CO2 Emissions decreased 1.2% NV, CA, WA, OR, AZ

41 What is different? Loads Transmission Resources

42 What is different? Loads Transmission Resources

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45 Selkirk – Bell – Ashe Nicola – Chief Joe Selkirk – Ashe DC Selkirk – Buckley DC DC projects AC projects

46 Questions or thoughts on this study?


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