Draft RAC Transition Plan and Communications Plan posted for stakeholders’ review RAC Governing Body March 22, 2017 RAC transition update - Start discussion and seek guidance at PCC meeting RAC Governing Body 22, 2017 Announce Subcommittee Governing Body members RAC Nominating Committee March 31, 2017 Subcommittee Governing Body meetings begin RAC Subcommittees April 3, 2017 Solicitation for Subcommittee members RAC Subcommittees April 3, 2017 RAC Charter (first draft) posted for review RAC Governing Body April 3, 2017 Member Representatives Identify RAC Members WECC Member Representatives April 7, 2017 Stakeholders’ comments due on RAC Transition Plan and Communications Plan Stakeholders April 7, 2017 Subcommittee Charters (first draft) posted for review Subcommittees April 10. 2017 Comments due on RAC Charter (first draft) Stakeholders April 24, 2017 Comments due on Subcommittee Charters (first draft) Stakeholders April 24, 2017 RAC and Subcommittee Charters (second draft) posted for review RAC and Subcommittees April 28, 2017 Identify requested changes in RAC, RAC Subcommittee or Work Group governance RAC and Subcommittees Governing Bodies April 30, 2017 RAC transition update - seek guidance at TEPPC, TAS and SPSG meetings RAC Governing Body May 3-5, 2017
Comments due on RAC and Subcommittee Charters (second draft) Stakeholders May 10, 2017 RAC and Subcommittee Charters Finalized RAC Governing Body May 12, 2017 First draft of Work Group charters posted for review RAC Subcommittees May 19, 2017 Draft WECC Bylaws change (coordinated with Phase 3 Update of Bylaws) WECC staff June 1, 2017 Comments due on Work Group charters (first draft) Stakeholders June 2, 2017 Work Group charters (second draft) posted for review Subcommittees June 9, 2017 RAC Charter to Board of Directors RAC Governing Body June 20, 2017 RAC transition update at WECC Board meeting RAC June 21, 2017 Comments due on Work Group Charters (second draft) RAC Governing Body June 23, 2017 Work Group Charters finalized Subcommittees June 30, 2017 Post WECC Bylaws change for review RAC Governing Body June 30, 2017 Joint PCC-TEPPC -RAC meeting (tentative) RAC Governing Body July 18, 2017 Review and comment on WECC Bylaws change Stakeholders July 24, 2017 Finalize proposed WECC Bylaws change WECC staff July 31, 2017 RAC transition update at TEPPC, TAS and SPSG meetings RAC Governing Body August 15-17, 2017 Propose WECC Bylaws change RAC Governing Body September 13, 2017
process modification compiling base case data Annual PCC Study Program Contains the case description sheets for base cases to be developed and a process for accepting base case and study requests PCC SRWG RAC Studies Subcommittee Data Preparation Manual List of requirements for data submitters related to flow and dynamics data submittal PCC SRWG RAC Data Subcommittee Data checks and resolution Identify data error categories and reporting errors to stakeholders for resolution (replog) PCC SRWG RAC Data Subcommittee Program Work with vendors to enhance existing power flow programs (e.g., PSLF, PSS/E) PCC SRWG/ MVWG RAC Modeling Subcommittee Dynamic and power flow model structure development Develop dynamic model structures to be implemented in vendor programs (e.g., composite load models, RAS models) PCC MVWG/TSS RAC Modeling Subcommittee Approved dynamic model list Update the list of approved dynamic PCC MVWG RAC Modeling Subcommittee
models for use by data submitters System model validation (creation of disturbance validation cases) Develop disturbance validation (e.g., the September 8, 2011 case) and validate planning models PCC MVWG RAC Modeling and Data Subcommittee Identifying planning applications of data Wide of experts from the West that implement planning applications for synchrophasor data, directly related to modeling and system monitoring PCC & OC joint committee JSIS RAC & OC Modeling Subcommittee of power flow and models Address differences between the base case models and the West-wide System PCC RAC Modeling Subcommittee Annual Study Program Report Contains a description of the base cases developed during the previous year and the results of transient and simulations performed on the base cases for a set number of contingencies PCC SRWG/TSS RAC Studies Subcommittee
Load Shedding (UFLS) Assessment Report Contains the results of simulations that were ran to test the effectiveness of WECC's UFLS Program PCC/JGC UFLSRG RAC Studies Subcommittee Load forecast, resource inventory, resource and transmission additions Contains data used to perform WECC's 10-year resource adequacy assessments N/A Staff RAC Data Subcommittee Methods and Assumptions Data request guidelines for Loads and Resources data N/A Staff N/A Staff 10-year Power Supply Assessment report Address the Western Interconnection's resource adequacy over the next ten years PCC Staff RAC Studies Subcommittee Project Coordination and Path Rating Process logs Lists activity of transmission projects undergoing the WECC Project Coordination and Path Rating processes PCC PCC/TSS RAC Data Subcommittee Progress Reports for generation and Lists activity of generation and transmission projects that meet a PCC TSS RAC Data Subcommittee Frequency
Standards (and regional criteria) development related to planning functions Provide expertise to participate on or inform standard drafting teams developing regional standards or criteria and to develop Standards Authorization Requests (SARs) PCC RS RAC RAC WECC Load Shedding Plan Outlines WECC safety net for underfrequency load shedding including recommended trip points for load shedding OC OC RAC Studies Subcommittee BES Inclusion Guideline Provides guidance to entities on how to determine whether an element should be considered for inclusion in the Bulk Electric System PCC RS RAC RAC Performance Category Upgrade Request Process (PCUR) Provides a robust line design features and a process for transmission owners to demonstrate why contingencies have a low probability of occurrence and PCC RS RAC RAC
should meet lower performance criteria Modeling guidelines for PV, wind, and composite loads Provide information to planners when developing power flow and dynamic models PCC MVWG RAC Modeling Subcommittee Methodology for Defining Planning Coordinator Areas in the WECC Region Outlines different ways in which Planning Coordinators can define their Planning Coordinator Area PCC PCC RAC RAC Updates from entities and Regional Planning Groups on project status Provided from utilities, transmission project sponsors, and Regional Planning Groups at stakeholder meetings PCC PCC/TSS RAC RAC Updates on NERC activities Provided to the PCC by the WECC representative on the NERC Planning Committee PCC PCC RAC RAC Updates on standards development activities Updates on NERC activities provided to the PCC by WECC PCC PCC RAC RAC
Program user groups The PSLF, PSS/E, PowerWorld, and Joint Users Groups provide a forum for program users to share lessons learned, discuss upcoming enhancements, and meet with program vendors to talk about issues and potential program enhancements PCC JUG, GEPUWG, PTIPUWG, PWUWG RAC Modeling Subcommittee Updates on other WECC activities Provided to stakeholders on WECC and TEPPC activities PCC All RAC RAC Short-circuit models Collect data and develop short circuit models PCC PCC RAC Modeling Subcommittee, Data Subcommittee Geomagnetic disturbance data and studies Currently development, but will likely develop a report with an assessment of the impact of geomagnetic disturbances (GMDs) on the system PCC TSS RAC Modeling Subcommittee, Data Subcommittee, Studies Subcommittee
Anchor Data Set Common foundation for developing flow and production cost models using Regional Planning Group plans as the basis for modeling assumptions N/A N/A RAC Modeling Subcommittee, Data Subcommittee Probabilistic resource adequacy studies Use stochastic models to determine reliability measures such as loss of load probability for future time frames PCC RAWG RAC Studies Subcommittee Products Currently Developed by TEPPC Product Description of Product/ Activity Current Parent Committee Current Responsible Proposed Parent Committee Proposed Responsible Group(s) Common Case Year ten outlook of the Western Interconnection using a production cost model, used by WECC and external entities for studies DWG, MWG RAC Data
10-year Study Cases Evaluation of transmission adequacy and resource mix based on stakeholders or WECC staff input parameters requests TEPPC SWG, DWG, MWG RAC Studies Production Cost (PCM) Licensing and application of desired PCM used for 10-year study cases. Includes consideration of model modifications to increase functionality needed for reliability analyses TEPPC DWG, MWG RAC Modeling Annual TEPPC Study Program Develop an annual study program that prioritizes study requests, recognizes staff and stakeholder resource availability, and assesses significant potential reliability risks in the 10-year and 20 planning horizons. SWG, SPSG RAC Studies Common Case Transmission Assumptions (CCTA) Lists future transmission projects included in the Common Case TEPPC RPCG-DWG RAC Data Additional modeling assumptions WECC stakeholder groups decide which PCM-specific information (e.g., hydro years) should be used TEPPC DWG RAC Modeling
to develop the Common Case 20-Year Cases Evaluation of potential infrastructure changes needed to accommodate the load/resource balance in various study cases requested by stakeholders Potential infrastructure changes are based on the results of a capital expansion model TEPPC SPSG RAC Studies Long-Term Planning Tool Capital expansion model that optimizes transmission and generation based on a leveled cost of energy (LCOE) TEPPC Staff with SPSG input RAC Modeling Capital Cost Calculator and Transmission Capital Cost Calculator Products developed by a third party vendor that are necessary for TEPPC’s Long Term Planning Tool and used by non-WECC entities in their processes TEPPC Staff with SPSG input RAC Data Load Forecast Tool A tool developed through a third-party vendor used to create forecasts of future load TEPPC 10 Year: DWG; 20- Year: MDTF RAC Data
Data Tool and Viewer Tool Used for running the long term planning tool Evaluates the relative risk of encountering environmental and cultural resource conflicts for resource additions or transmission upgrades needed to costeffectively meet reliability requirements or policy-driven system solutions TEPPC EDWG RAC Data Load forecast, resource inventory, resource and transmission additions Contains data used to perform WECC's resource adequacy assessments N/A Staff RAC Data Work Group Methods and Assumptions Data request guidelines for Loads and Resources data N/A Staff Staff Data 10-year Power Supply Assessment report Addresses the Western Interconnection's resource adequacy over the next ten PCC Staff RAC Studies Future scenarios of the Western Describes plausible futures for the 20year timeframe and enables planners to consider strategic options in consideration of a diverse set of drivers (e.g., policy, economic, TEPPC SPSG RAC Scenario Development
technological, social, political) Integrated Transmission and Resource Assessment (ITRA) Provides a summary of analytical activities completed during the year TEPPC SWG RAC Studies Reliability Impact Analyses Reflect special reliability analyses performed to evaluate the future system (e.g., Clean Power Plan) TEPPC Staff RAC Studies Project Portal Contains information on future transmission projects TEPPC RPCG RAC Data Updates from entities and Regional Planning Groups on project status Updates provided at stakeholder meetings TEPPC TEPPC RAC Reliability Assessment Committee Updates on other WECC activities Updates to stakeholders on other WECC and PCC activities TEPPC All RAC RAC Round-trip functionality Enables WECC to develop power flow snapshot cases from a selected hour of a production cost model TEPPC Staff RAC Modeling