1. Renewable Energy Transmission Initiative 2.0 Plenary Group Meeting April 18, 2016 Sacramento, CA Thomas Carr Western Interstate Energy Board TEPPC’s Resource Options Cases for RETI 2.0

2. TEPPC’s “Resource Options Cases” Meeting Purpose: Exploration renewables resources that could help meet California’s long-term greenhouse gas reduction and renewable energy goals TEPPC’s Resource Option Cases Western Electricity Coordinating Council (WECC) Transmission Expansion Planning Policy Committee (TEPPC) performs Interconnection-wide transmission planning In 2012-13, TEPPC modeled a set of cases assuming 12,000 GWh of renewable energy are added to the grid to meet higher loads and RPS requirements across the West in the study year 2022. Known as the 2022 “Resource Options Cases” 2

3. Data from Western Renewable Energy Zone (WREZ) project 3

4. Western Transmission Paths 4

5. Key Paths 5 P49 East of River P45 West of River P66 COI P65 PDCI P8 MT to NW P19 Bridger P27 IPP P18 MT to ID

6. PC20 Southwest 6

7. PC20 Southwest transmission Expansion Case Centennial West 7 P49 East of River P45 West of River Centennial West

8. PC21 Wyoming 8

9. PC20 Wyoming Transmission 9

10. PC22 Montana 10

11. PC20 Montana Transmission Expansion Cases 11 Path 8 Upgrade MISTI- SWIP

12. PC23 Northwest 12

13. PC23 Northwest Transmission Expansion Cases 13 BC to WA projects

14. PC24 Basin 14

15. PC24 Basin Transmission Expansion Cases 15

16. PC25 Colorado 16

17. PC25 Colorado Transmission 17

18. Synopsis of the cases 18

19. Summary of cost analysis 19

20. Questions? Thomas Carr Western Interstate Energy Board 303-573-8910 tcarr@westernenergyboard.org