1. ColumbiaGrid Planning Meeting FERC Order 1000 Activities June 7, 2018

2. In This Presentation ITP Submittal Summary Status
Overview of ITPs – based on public information provided by project sponsors
Status
Ongoing activities
Milestones/Timeline

3. Interregional Transmission Project (ITP) Submittals

4. ITP: Six (6) Projects
For more information regarding these projects, please refer to: overview.cfm

5. TransWest Express Transmission DC Project
Project sponsor: TransWest Express LLC
Technology: Two-Terminal, 600kV, Bipole HVDC
Connections:
Northern terminal: Wyoming (NTTG & potential WestConnect)
Southern terminal: Nevada (CAISO, WestConnect)
Capacity: Phased 1,500/3,000 MW
In-Service Date: 2022
Cost Estimate: $2.11B (initial phase), $0.87B (increase the capacity to 3,000 MW)

6. TransWest Express Transmission DC Project*
*Based on a presentation from TransWest Express LLC , March 31, 2018

7. TransWest Express Transmission DC Project*
*Based on a presentation from TransWest Express LLC, March 31, 2018

8. TransWest Express Transmission AC&DC Project
Project sponsor: TransWest Express LLC
Technology: Two-Terminal, 500kV, Bipole HVDC and 500 kV AC
Connections:
Northern terminal: Wyoming (NTTG & potential WestConnect)
Southern terminal: Nevada (CAISO, WestConnect)
DC segment connects with the AC segment in Utah
Capacity: Phased 1,500/3,000 MW
In-Service Date: 2022
Cost Estimate
DC segment: $1.62B (1,500 MW), $0.87B (increase to 3,000 MW)
AC segment: $600M

9. TransWest Express Transmission AC &DC Project*
*Based on a presentation from TransWest Express LLC, March 31, 2018

10. TransWest Express Transmission AC&DC Project*
*Based on a presentation from TransWest Express LLC , March 31, 2018

11. Cross-Tie Transmission Project
Project sponsor: TRANSCANYON
Technology: 213 mile, 500 kV AC Transmission line
Connections: Clover (NTTG) & Robinson Summit (WestConnect) 500 kV substations
Anticipated Project rating: 1,500 MW
In-Service Date: Q4 2024
Cost Estimate: $667M

12. Cross-Tie Transmission Line*
*Based on a presentation from Transcanyon , May 18, 2018

13. Cross-Tie Transmission Line*
*Based on a presentation from Transcanyon, May 18, 2018

14. Southwest Intertie Project (SWIP) - North
Project sponsor: Great Basin Transmission (LS POWER)
Technology: 275 mile, 500 kV AC Transmission line
Connections: Midpoint (NTTG) & Robinson Summit (WestConnect) 500 kV substations
In-Service Date: As early as 2021
Cost Estimate: $525M

15. SWIP - North*
*Based on a presentation from LSPOWER , Great Basin Transmission, May, 2018

16. Southwest Intertie Project (SWIP) - North*
*Based on a presentation from LSPOWER , Great Basin Transmission, May, 2018

17. North Gila – Imperial Valley #2 Project
Development team: ITC Grid Development, LLC & Southwest Transmission Partners, LLC
Technology: 97-mile, 500 kV AC Transmission line
Connections: North Gila (WestConnect) & Imperial Valley (CAISO) 500 kV substations
Also interconnect with a new Highline substation (WestConnect)
In-Service Date: Q4 2022
Cost Estimate: $250M-$400M

18. North Gila – Imperial Valley #2*
*Based on a presentation from ITC Grid Development, LLC and Southwest Transmission Partners, LLC, May 18, 2018

19. North Gila – Imperial Valley #2*
*Based on a presentation from ITC Grid Development, LLC and Southwest Transmission Partners, LLC, May 18, 2018

20. Renewable Energy Express HVDC Conversion Project
Project sponsor: San Diego Gas and Electric (SDG&E)
Technology: Conversion of a portion of existing 500 kV AC Transmission line to a three-terminal HVDC system
Anticipated Project rating: 3,000 MW
In-Service Date: 2026
Cost Estimate: $900M – $1B

21. Renewable Energy Express HVDC Conversion Project*
*Based on a presentation from SDG&E

22. Renewable Energy Express HVDC Conversion Project*
*Based on a presentation from SDG&E

23. ITP Evaluation: Status
Evaluation plans are being drafted
For each ITP
Primarily, describe the scope, and methodology will be used by the Relevant Planning Regions to evaluate each project
Anticipated completion: End of 2019

24. Question: Paul Didsayabutra, paul@columbiagrid.org