Eric Whitley/Steve Ashbaker Joint MIC/OC/RAC February 21, 2019 Eric Whitley/Steve Ashbaker

AGENDA RC Transition Project Overview Update on Activities RC Transition Specifics Issues and Concerns RC Certification Timeline IRO-002-5 Regional Variance

RC Transition Project Overview Quick Status Just 4 ½ months left before first RC Transition (CAISO’s BAA footprint) 1 month from 1st RC Certification CAISO – March 2019 BCH in September, 2019 Certification (new development) – May 2019 CAISO larger footprint, November 2019 Certification – August 2019 SPP footprint in December, 2019 Gridforce is awaiting decision on their application as an RC by WECC and NERC. Stated go live is December 2019.

RC Transition Project Key Dates Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec CAISO – CA area Certification Shadow Go Live 7/1 BCH Readiness Review 9/2 CAISO – Large 11/1 SPP 12/3 Key Information CAISO on schedule to meet first RC Transition on July 1st, 2019 BCH on schedule to meet second RC Transition on September 2nd, 2019 CAISO on schedule to meet third RC Transition for the balance of their RC customers on Nov 1st, 2019 SPP on schedule to meet fourth RC Transition on Dec 3rd, 2019 Peak will maintain RC function for each transition up until their transition date, then begin their full wind down activities after the last transition on Dec 3rd Risks and Concerns Each RC has their RC function to prepare for as well as the pickup of several services important to the interconnection (ECC, WIT, Network Modeling, Data Sharing, Data Archival etc.). – These issues are being worked on via the RC-RC Coordination effort. Timely resolution of data sharing issue Peak staffing until the end is being tracked but initial concerns mitigated for now Seams issues continue to be a concern with levels of details being uncovered. Working groups engaged. Additional Points of Interest ECC will be administered by CAISO WIT tool administration via each RC Data Sharing transition from the UDSA to the Western Interconnection Data Sharing Agreement (WIDSA) is being worked on. Archived data from Peak is being discussed to determine it’s future. Western Interconnection Model will be administered by CAISO working with entities and each RC Gridforce has applied to become a RC

Update on Activities RC-RC Coordination Meetings and Subgroups RC to RC Coordination Meetings being held twice a month – working on decisions and resolving seams and processes RC Readiness activity tracking – RC’s are working with their future customers to track overall RC readiness for certification, shadow operations and go-live Western Interconnection tools and processes to address Governance document drafted to cover common tool guidance for WIT and ECC SOL Methodology comparisons between the different RC’s undertaken Subgroups formed to resolve technical issues on a variety of subjects Need for focus on RC “Seams” issues – RC’s working on known issues (cranking path coordination, frequency recovery, RAS coordination) Canvassing BA and TOP entities for issues (RCTCG engaging entities regionally) Seams specific items to be discussed in March with RC’s and interconnection SME’s.

Update on Activities Track 2 – Peak Wind Down activities People – In December of last year, Peak and RCTCG met to review Peak’s readiness plans to meet planned and un-planned attrition Process Peak shared Wind Down Project Plans and workstreams with RCTCG Peak has developed plans to mitigate any significant unplanned attrition (contracting externally, cross-training existing staff, management capable of fulfilling roles as attrition occurs) RCTCG and Peak drafting resource “Sharing Agreement” to mitigate un- planned attrition Peak Operations coordinating transition details with each new RC and engaged with RC-RC Coordination Peak continues to focus on reliability and operational excellence Technologies Determine tools and systems to be retired and when Historical data retention, use and future – Peak and NERC in separate discussions with PNNL, also discussing an “escrow” of relevant data by an entity or NERC itself or contract with a vendor (Iron Mt).

Update on Activities RC-RC Coordination Group continuing meetings and working towards decisions to finalize before December 3rd. Identifying and tracking key issues Keeping track of action items to ensure resolution of the issues and risks in a timely manner Resolution of key items continues with tracking each “Decision” that the RC’s make. Assigning technical tasks to various subgroups Focusing on Subgroups (now 12 Sub-groups) Subgroup formed to bring RC experts together to resolve technical issues. Beginning to report out on progress Each RC is represented in each Subgroup to ensure representation Subgroup status, issues, actions etc. being captured and reported on to the RC-Coordination group.

Update on Activities Decisions ECC - to be enhanced for multi-RC operation. CAISO will hold contract and integrate with their EMS systems WIT – to be modified to allow each RC to administrate their BA’s data – CAISO will assume Time Error monitoring and provide Delta Time Error value to WIT Westwide Interconnection Model to be administered by CAISO. Each RC will send their model updates to CAISO in an agreed upon format (CIM- 15XML) CAISO serves as the data repository for Western Interconnection for outage data and forecast data Each RC obtain interchange forecast data from WIT CAISO will be the only supporter of the Merchant Advisory Protocol through their messaging system (the other RC’s do not have a use for MAP) NERC/WECC have decided not to do a full “certification” of Peak for each RC Transition. They will hold a short “operational review” of Peak after each footprint change / downsize. UFMP - CAISO will manage and approve UFMP step 4 for Path 66 through the use of the ECC tool. SPP will manage and approve UFMP step 4 for Path 30,31 and 36 through the use of the ECC tool

RC Coordination Subgroups Purpose ECC-WIT-USFM Subgroup formed to take up technical details of these tools and their administration by RC members ICCP and Data Share Subgroup Formed to coordinate ICCP and other protocols technical details and IRO-010 requirements Messaging Tool Subgroup Formed to ensure RC – RC messaging details are addressed Network Modeling Subgroup Formed to coordinate CAISO’s role as central interconnection model aggregator and each RC’s obligations Operations Planning Subgroup This team is to take up issues of data exchange that focuses on CD/ND, Outage Coordination, SOL and IROL exchange, load and dispatch forecast exchange. Shadow Operations Subgroup Formed to coordinate the upcoming RC Shadow Operations with all RC’s SOL Methodology Subgroup Each RC is looking at their SOL methodology and comparing it to all other RC’s to ensure no gaps Synchrophasor and WECC – NERC Reporting Needs Working with WECC and NERC and with all RC’s to ensure events and analytical data needs are met EOP and Restoration Procedures and Drills RC – RC Coordination on EOP Plans submissions, RC-RC Plan exchanges and Restoration Drills IRO-010 Details of RC-RC data requests RC-RC data exchange criteria, formats and periodicity to enable interconnection wide view and analysis Seams Issue Subgroup RC-RC Seams issue collection and technical resolutions Reserve Sharing Subgroup Changes in RSG members may become a Seams issue. Working to fully understand and assess

Issues and Concerns Tracking high level risks Peak viability - staff attrition Risk of not retaining key staff through the end of 2019 Mitigation – Peak retention plans and employee engagement appears to be working to retain key roles and staffing to complete the 2019 transitions. Peak assistance agreement with key entities in progress. Tracking key roles and staff levels monthly via Peak’s updates Any of the 3 new RC organizations having to delay their official RC start dates Peak is not planning to be operational post the last transition (Dec 3rd, 2019) Systems and support will be at minimal levels at the end of 2019 Mitigation – Clear communication that after the last transition on 12/3/2019, Peak will not be in a position to resume operations (Closure activities commencing immediately). Coordination and decision-making at RC-RC Coordination meetings Tracking – Certification dates, shadow operations and transition dates with each new RC and Peak’s status after each transition Multiple transition dates Risk of multiple seams transitions that could conflict with multiple RC operations Mitigation – Seams issue information gathering in progress Tracking – Subgroup and RC-RC Coordination information gathering taking place

Issues and Concerns WIDSA / UDSA Agreement transition – CAISO and SPP have not yet reached agreement on the details of the replacement of the Universal Data Sharing Agreement (UDSA) currently held by Peak RC and signed by the entities within the western interconnection. The goal of Western Interconnection Data Sharing Agreement (WIDSA) was to mimic the UDSA closely with some caveats regarding changes in RC footprints and the fact that this needed to ultimately be a western interconnection wide agreement. The UDSA will remain in effect until the end of 2019 and will cease once Peak is no longer a RC function. The data sharing agreement allows entities to use attained data for purposes of wide area views and various studies, research etc. apart from the data sharing required within the NERC regulatory standards between entities (TOP/IRO standards). The history of the UDSA was one of working with each of the interconnection entities to gain agreement to share data between other entities.

Regional Variance to IRO-002-5 The Variance Drafting Team includes representative from Peak and each of the future RCs as well as an observer from NERC Second comment period closed January 2, 2019 Draft variance being balloted Scheduled to go to WECC Board in March Does not require specific model Does identify what the model they use must achieve and include Validation against the West-wide System Model

Regional Variance to IRO-002-5 Each Reliability Coordinator shall, in coordination with other Reliability Coordinators, develop a common Interconnection- wide methodology to determine the modeling and monitoring of BES and non-BES Elements that are internal and external to its Reliability Coordinator Area, necessary for providing operational awareness of the impacts on Bulk Electric System Facilities within its Reliability Coordinator Area, including at a minimum: 1.1. A method for development, maintenance, and periodic review of a Western Interconnection-wide reference model to serve as the baseline from which Reliability Coordinator’s operational models are derived; 1.2 The impacts of Inter-area oscillations; 1.3 A method to determine Contingencies included in analyses and assessments; 1.4 A method to determine Remedial Action Schemes included in analyses and assessments; 1.5 A method to determine forecast data included in analyses and assessments; and 1.6 A method for the validation and periodic review of the Reliability Coordinator’s operational model for steady state and dynamic/oscillatory system response.

WECC RC Footprints

RC Certification Q1 Q2 Q3 Q4 2019 2020 3/26 CAISO certification on-site visit 7/1: CAISO Go-Live 7/30: CAISO certification review on-site visit 11/1: CAISO expansion Go-Live May-June CAISO shadow operations Sept-Oct: CAISO expansion shadow operations 8/13: SPP certification on-site visit Oct-Nov SPP shadow operations 12/3: SPP Go-Live 5/21: BCHA certification on-site visit July-Aug BCHA shadow operations 9/2: BCH Go-Live

RC Certification Q1 Q2 Q3 Q4 2019 2020 3/26 CAISO certification on-site visit May-June CAISO shadow operations 7/1: CAISO Go-Live 7/30: CAISO certification review on-site visit Sept-Oct: CAISO expansion shadow operations 11/1: CAISO expansion Go-Live 8/13: SPP certification on-site visit Oct-Nov SPP shadow operations 12/3: SPP Go-Live 5/21: BCHA certification on-site visit July-Aug BCHA shadow operations 9/2: BCH Go-Live 9/24: GRID certification on-site visit 12/3: GRID Go-Live

WECC Outage and RC Transition WECC RC Forums WECC RC Forum Public website Staff Participation in SPP and CAISO RC Transition Subgroups Stakeholder updates

Steve Ashbaker sashbaker@wecc.org