Welcome to NTTG’s Quarter 1 Stakeholder Meeting To access Wi-Fi: Select “Meetings at Sheraton” from the networks Launch your internet browser Username: pdxi04 Password: pdxi04 NTTG Quarter 1 Stakeholder Meeting Portland, Oregon April 26, 2018 NTTG 2018-2019 Planning Cycle 3 NTTG Q1 Stakeholder Meeting Agenda 10:00 – 10:15 WELCOME and AGENDA REVIEW 10:15 – 11:30 QUARTER 1: TRANSMISSION PLANNING DATA SUBMISSION • NTTG Footprint Needs: Load and Resource Data • NTTG Public Policy Requirements REGIONAL TRANSMISSION PROJECTS • Energy Gateway and Antelope Project • Boardman to Hemingway 11:30 – 12:15 LUNCH BREAK 12:15 – 1:15 INTERREGIONAL TRANSMISSION PROJECTS • Cross-Tie Project • SWIP-N Project • TransWest Express Project (Invited but declined) 1:15 – 1:30 QUARTER 1: COST ALLOCATION UPDATE • Cost Allocation Requests and Status Update 4 NTTG Q1 Stakeholder Meeting Agenda (Cont’d.) QUARTER 1: OTHER DATA SUBMISSIONS 1:30 – 1:50 • Economic Congestion Studies • Public Policy Consideration Studies 1:50 – 2:00 BREAK ANCHOR DATA SET UPDATE 2:00 – 2:15 • NTTG’s use of ADS and Coordination Approach REGIONAL UPDATES • ColumbiaGrid 2:15 – 2:45 • CAISO • WestConnect 2:45 – 3:00 STAKEHOLDER COMMENTS/NEXT STEPS 3:00 ADJOURN 5 Quarter 1: Transmission Planning Data Submissions NTTG Quarter 1 Stakeholder Meeting Portland, OR April 26, 2018 Presented by: Chelsea Loomis, NTTG Planning Committee Chair Load Submissions 2026 2028 2017 Actual Summer Summer Difference Peak Load Data Load Data (MW) 2026- SUBMITTED BY: Demand Submitted in Submitted 2028 (MW) Q1 2016 in Q1 2018 (MW) (MW) Deseret G&T Included in PacifiCorp East Idaho Power 3,806 4,346 4,412 66 NorthWestern 1,803 1,992 2,027 35 PacifiCorp East Confidential 9,442 9,697 255 PacifiCorp West Confidential 3,602 3,689 87 Portland General 3,572 3,885 3,928 43 UAMPS Included in PacifiCorp East TOTAL 23,637 23,753 116 7 Resource Submissions * Preliminary Data – Subject to Change 8 Transmission Submissions Sponsor Type Projects Voltage Circuits LTP Gateway West Project 500 kV 2 Idaho Power LTP B2H Project 500 kV – 230 kV 2 MATL LTP AC-DC-AC Back to Back Conversion 600 MW 1 Northwestern None Submitted LTP Gateway Central 345 kV 2 LTP Gateway South Project 500 kV 1 PacifiCorp East LTP Gateway West Project 500 kV – 230 kV LTP Antelope Projects 345 kV 2 LTP Shirley Basin - Standpipe 230 kV 1 PacifiCorp West LTP Wallula – McNary 230 kV 1 LTP Blue Lake Project 230 kV 2 Portland General LTP Harborton Project 230 kV 5 LTP Various Local Service Projects 115 kV 16 9 New Transmission Service Submitted by MW (1) Start Date POR POD 500/200 2026 Northwest IPCo Idaho Power 250/550 2026 LaGrande BPASEID Notes: (1) - Summer/Winter 10 Interregional Transmission Projects Submitted to NTTG Termination In Service Seeking Cost Project Name Company Termination To Status Project Type From Date Allocation? Cross-Tie Transmission Robinson Sponsored TransCanyon, LLC Clover, UT Conceptual 2024 Yes Project Summit, NV Project Great Basin Robinson Sponsored SWIP-North Midpoint, ID Permitted 2021 Yes Transmission LLC Summit, NV Project TransWest Express TransWest Sponsored Rawlins, WY Boulder City, NV Conceptual 2022 No Transmission Project Express, LLC Project 11 Public Policy Requirements • Idaho Power – No RPS Requirement • NorthWestern – 15% RPS Requirement – Met • PacifiCorp – Met – California – 45% - by 1/1/2028 – Oregon - 27% by 12/31/2025 and 35% - by 12/31/2030 – Washington - 15% by 1/1/2020 – Utah – 20% by 2025 • Portland General – Oregon - 27% by 12/31/2025 and 35% - by 12/31/2030 12 Questions? 13 Regional Transmission Projects NTTG Quarter 1 Stakeholder Meeting Portland, OR April 26, 2018 Northern Tier Transmission Group Gateway and Antelope Project Updates April 26, 2018 Gateway Transmission Project 16 New Transmission Transmission Projects 1) New 140-mile, 500 kilovolt Aeolus-to-Bridger/Anticline line; including new Aeolus and Anticline substations 2) New 5-mile, 345 kilovolt Anticline-to-Jim Bridger line; including modifications at Jim Bridger substation 3) New voltage control device at Latham substation 4) New 16-mile, 230 kilovolt line from Shirley Basin to proposed Aeolus substation, with substation modifications (TB Flats I & II) 5) Reconstruction of 16-mile, 230 kilovolt Shirley Basin-Freezeout-Aeolus line, with substation modifications (Cedar Springs) 6) Reconstruction of 15-mile, 230 kilovolt Freezeout-Standpipe-Aeolus line, with substation modifications (Cedar Springs) Aeolus-to-Bridger/Anticline Line; approximately 230 kV Network Upgrades; approximately The Transmission Projects 18 Wyoming Permitting Overview • NEPA − Element of Gateway West segment D, Record of Decision November 2013 − Plan of Development and Mitigations, currently in final development • Certificate of Public Convenience and Necessity − Filed June 30, 2017, Bench Order approval issued April 12, 2018 • Conditional Use Permit (Carbon County) − Planned application Spring 2018 • Wyoming Industrial Siting Permit − Planned application Summer 2018; decision expected October 2018 • Anticipated Construction award December 2018 • Construction start April 1, 2019 19 Other Gateway Segments • Segment D1 – Windstar to Aeolus − Federal record of decision issued November 2013 − In Service date 2024 at the earliest • Segments D3 – Bridger/Anticline to Populus. − Federal record of decision issued November 2013 − In service date 2024 at the earliest • Segment E – Populus to Hemingway. Two routes Populus – Cedar Hill – Hemingway and Populus – Midpoint - Hemingway − Federal record of decision issued November 2013 and supplemental record issued January 2018. − In service date 2024 at the earliest • Gateway South – Aeolus to Mona − Federal record of decision issued May 2017 − In service date 2023 at the earliest 20 Antelope • Have not received the generation interconnection request that will drive the project • Initial planning review identified the need with the proposed new generator • Design and permitting activities not started, will be driven by a signed interconnection agreement • Since 2015 UAMPS has identified this resource in the annual L&R submission to PacifiCorp • PacifiCorp has submitted this project, and anticipated transmission additions, to the Northern Tier Transmission Group (NTTG) as part of both the 2016-17 and 2018-19 biennial Regional Transmission Assessment 21 Boardman to Hemingway Project Jared Ellsworth Transmission Policy & Development, Idaho Power April 2017 Boardman to Hemingway (B2H) Project B2H Project Overview • 290 mile, 500 kV transmission line • ~1,000 MW of bi-directional capacity • ~30% on federal land • Permitting partners – PacifiCorp and Bonneville Power Administration • $1.0-$1.2 billion Background • Transmission upgrades to Pacific NW identified in 2002 IRP. • Originated in 2006 IRP • Will utilize existing resources from Northwest markets. • Presidential Priority Project B2H route alternatives considered in Community Advisory Process, 2009 Project Partners: PAC and BPA *Seasonally shaped capacity Objectives and Benefits • Customers – Serve IPC, PAC, and BPA customers (cost effectively) • Reliability - Increase reliability of bulk transmission system • Congestion - Relieve existing regional transmission constraints and increase opportunities to exchange energy between regions • Flexibility – Future system operations (i.e. EIM, coal plant retirements) • Environment – integrate and move regional renewable resources. Alternative to constructing carbon emitting resources Existing Transmission Constraints Idaho-Northwest Transmission Path Available Capacity (Import) = 0 MW Looking Ahead • BLM led NEPA process – ROD in 2017 • Oregon Energy Facility Siting Council (EFSC) process – Site Certificate expected in 2020 timeframe • Preliminary Construction Activities including right-of-way acquisition (3-4 years) • Construction (3-4 years) • In-service: 2024 or later Questions? LUNCH BREAK Interregional Transmission Projects NTTG Quarter 1 Stakeholder Meeting Portland, OR April 26, 2018 Cross-Tie 500 kV Transmission Line NTTG Stakeholder Meeting Portland April 26, 2018 Presentation Topics • TransCanyon Overview • Cross-Tie 500kV Transmission Line Overview • Project Benefits • Project Timeline • Permitting Activities • WECC Rating Process • Inter-regional Transmission Project Analysis by Regional Planning Groups • Cross-Tie Next Steps 34 Who We Are TransCanyon is an independent developer of electric transmission infrastructure for the western United States • Independent well-positioned to drive creative solutions • Leverage the combined energy expertise and financial strength of Berkshire Hathaway Energy and Pinnacle West • Focused on all phases – development through ongoing operation • Long-term stewards of the environment • Value collaboration to achieve success • Strategic alliance with PG&E on CAISO competitive projects 35 Deep Experience in the West Our team builds on the skills, resources and experience of its parent companies and utility affiliates across the western United States 1.2 million 1.8 million customers in 1.3 million customers in AZ CA, OR, UT, WA and WY customers in NV 27 Professionals Led by 4 Board Members and 3 Key Officers Board Members Key Officers Mark Schiavoni Bright Canyon Energy Jason Smith Bright Canyon Energy John Cupparo BHE U.S. Transmission JASON SMITH BOB SMITH TODD JENSEN President Vice President, Vice President, Doug Kusyk Transmission Project Delivery BHE U.S. Transmission Planning & Development 36 Cross-Tie Project Overview • 213-mile, 500kV AC transmission line from central UT to east-central