Transmission Planning Attachment K Public Input Meeting FERC Order 1000, Quarter Three Meeting September 29, 2016

Agenda Topic Presenter Greetings and Introductions Pacific Time Topic Presenter 9:00 – 9:15 Greetings and Introductions Explain planning process; Discuss status of the local planning process Discuss the draft Local Transmission Plan. Jamie Austin 9:15 – 9:30 TPL Studies Brett Allsup 9:30 – 9:45 Upcoming Area Studies Mark Adams, Kevin Putnam 9:45 – 10:00 PACW Area Study: North Oregon Coast Area Study PACE Area Studies, Finding Reports Grace, Idaho Smithfield/Preston, Utah/Idaho Price, Utah PACE Area, Kickoff Studies: Tooele, Utah Southeast, Utah North Salt Lake, Utah Adam Lint Scott Murdock Carlton Jones Nicole DeGiulio Christiaan Riet Sachith Abayakoon

The Planning Process Jamie Austin

3rd Quarter Deliverables Process Discuss status of the local planning process and interim iterations of the draft Transmission System Plan: Technical Studies – for designing a reliable system Economic Studies - economic analysis to identify transmission congestion PacifiCorp has been Providing quarterly updates to Stakeholders on local transmission studies (5-yrs studies; reliability assessment studies) Current plan includes posting a draft TSP in Q4, 2016 Review of the Transmission System Plan Outline

Transmission System Plan Outline INTRODUCTION FERC ORDER 890\1000, ATTACHMENT K, LOCAL TRANSMISSION PLANNING PROCESS DISCUSSION THAT TIES THIS WORK TO OUR EXISTING PLANNING LOCAL PLANNING OBJECTIVES OF THE TRANSMISSION SYSTEM PLAN SUB-REGIONAL & REGIONAL COORDINATION PLANNING PROCESS AND TIMELINE TRANSMISSION SYSTEM PLAN INPUTS AND COMPONENTS ASSUMPTIONS\DATABASES GENERAL DESCRIPTION OF PACIFICORP’S TRANSMISSION SYSTEM PacifiCorp East Balancing Area – Description PacifiCorp West Balancing Area – Description LOAD AND RESOURCE PROCESS RELIABILITY ASSESSMENT AREA PLANNING STUDIES 10-YEAR PLANNING HORIZON ECONOMIC STUDIES COST ALLOCATION

Economic Planning Studies Background The Economic studies identify “significant and recurring” congestion. Stakeholders can submit study requests through the OASIS process. No study requests were submitted in Q1 Next chance to submit requests will be in Q5

Local Participation Focus Groups The Transmission Provider (TP), PacifiCorp, may at its discretion but with stakeholder input, establish focus groups during Quarter 1, to identified area planning issues The focus group will review available data and the impact of any previous Transmission System Plan (TSP) on Transmission Service to the identified area, and provide recommendations to the TP to be considered for incorporation into the planning assumptions and/or final TSP. Membership to the focus groups will be open to all stakeholders, Network Customers, and Eligible Customers. The Transmission Provider will act as the facilitator for the focus group. The focus group shall address as many issues as possible via email and teleconference. Each focus group shall select a chairperson to set the timeline for discussion and developing recommendations within the scope of 8 Quarter Planning Cycle. All recommendations of the focus group must be based on the consensus of the focus group. The TP may consider but is not required to implement recommendations.

PAC BIENNIAL TRANSMISISON PLANNING CYCLE 2014-2015 PacifiCorp 8 Quarter Process Time Line PAC BIENNIAL TRANSMISISON PLANNING CYCLE 2014-2015 Quarter Date Technical Studies Economic Studies Activities Year 1 -2016 Q1 Jan - Mar Data Collection Data Collection for Economic Studies Q2 Apr - Jun Reference Case Development Q3 Jul - Sep Technical Studies to determine System Adequacy Economic Studies to Identify Congestion Q4 Oct - Dec Draft Report on System Adequacy Draft Reporting Year 2 - 2017 Q5 Data Collection for Re-Study Re-Study Requests Economic Study Second Year Requests Q6 Draft Report Review Draft Re-Study Review Q7 Final Report and Review Q8 Final Transmission Plan approval

Local Area Studies Update - PACW Kevin Putnam

Time-line 5-yr studies – West

Local Area Studies Update - PACE Mark Adams

Time-line 5-yrs studies – East Study Area State Last Studied Update Park City/Midway UT Dec-12 Scheduled for 2017 North Salt Lake Feb 13 Tooele Mar-13 Big Horn WY Sep-13 Wyoming (West) Oct-13 Salt Lake Valley July -14 Ogden July 14 Nebo Oct-14 Utah (Southwest) Dec-14 Pavant Feb 15 Goshen ID Aug 15 Powder River Nov 15 Honeyville/Malad Mar 16 Montpelier Mar16 Utah Valley Jun 16 Grace Aug 16 Smithfield Price Sigurd Dec-11 4th Q 2016 – 40% complete Wyoming (Southern) Aug -11 Utah (Southeast) 4th Q 2016 – 30% complete Vernal 4th Q 2016 – 60% complete

NERC TPL-001-4 Standard Overview Brett Allsup, Dir, Engrg Strategy & Cost Control

Q & A Session Contact Information – Link to PacifiCorp OASIS: http://www.oasis.pacificorp.com/oasis/ppw/main.htmlx For Attachment K related comments\questions, address your requests to: TransmissionPlanningProposal@PacifiCorp.com

Attachment K 2016-17 Biennial Planning Cycle Q4 Public Meeting December, 2016 PacifiCorp

Questions / Comments?