CSU Integration into WEIS: Supporting Energy Collaboration

CSU INTEGRATION INTO WEIS Helping our members work together to keep the lights on... today and in the future. SPPorg southwest-power-pool SouthwestPowerPool

WEEKLY STATUS MEETING JUNE 13, 2022 2 Helping our members work together to keep the lights on... today and in the future. SPPorg southwest-power-pool SouthwestPowerPool

AGENDA Member Testing Overview MTE Testing & Data Submission WEIS Structured Test Scenarios Deployment Testing Recap of Key Points and Next Steps Questions 3

CSU MEMBER TESTING OVERVIEW CHRIS BALDWIN 4

TESTING CALENDAR Date Party Action February 11, 2022 SPP Members Member connectivity testing kick-off call and walk through of system changes February 14, 2022 May 8, 2022 SPP Members Member sets up web services application programming interfaces (APIs) and listeners in MTE, the local security administrator (LSAs) set up users with certificates and roles in MTE. Members start connectivity testing. May 9, 2022 SPP The full model with resources is effective in MTE. May 9, 2022 May 20, 2022 SPP Member Full connectivity testing in MTE May 23, 2022 July 25, 2022 SPP Member Weekly CSU Integration into WEIS test communication calls May 23, 2022 July 5, 2022 SPP Member Bid-to-Bill Unstructured Testing (Base Case Scenarios) May 25, 2022 July 5, 2022 SPP Member Bid-to-Bill Structured Testing (Structured Scenarios) May 30, 2022 July 1, 2022 SPP Member BAs West RC Deployment testing in MTE July 26, 2022 July 31, 2022 Member Member sets up APIs and listeners in production, LSAs set up users with certificates and roles in production August 1, 2022 SPP Member SPP Member goes live in the WEIS Market 5

MTE TESTING & DATA SUBMISSION DOUG CLARK 6

SOLUTION QUALITY DEPENDENCIES Updating (as appropriate): Resource parameters (Ramp Rates based offers Ensure real-time data (CMOD* & MW via ICCP available to SPP Resource (Commit Status Commit Status) and Ancillary Service (Fixed OR OR) Plans Enter tags using appropriate sources and sinks Submit realistic meter data on a regular basis and review meter reports to gain familiarity with the meter data process Contact SPP via RMS with any questions or issues Ramp Rates, Limits Limits) and dollar- CMOD* & MW via ICCP) is Fixed * Applies to Non-PPRs Only 7

ACTION ITEM Send SPP a list of resources and the ICCP points that are now reflective of actual conditions including: Control Mode (CMOD) MW We ll use this on our end to help us understand which overrides to release. * Applies to Non-PPRs Only 8

WEIS MARKET TRIALS SCENARIOS DOUG CLARK 9

STRUCTURED SCENARIOS Review the Scenario Test Guide document 10

LAST WEEK (REVIEW) Successful WRTBM (Mitigation Failure) Out-of-Merit Energy (OOME) Cap, Floor, Cap & Floor, & Fixed Resource Offer Caps To Do: Resolve SPP Overrides with action item to CSU to confirm expected use of CMOD and MW points Verify URD Exemptions & Misc. Charge from statements 11

LAST WEEK (REVIEW) Offer Caps (OD 6/9) Adjusted Scenario SPP adjusted MIT and RT Energy curves for the following hours as well as modified mitigation rules to assist with the scenario 0800 Mitigation rules, Conduct rules 0900 Conduct rules, No Mitigation, Approval of Offers between $1000-$2000 1700 Conduct rules, No Mitigation, No Approvals 1800 Conduct rules, No Mitigation, Offer Approval Review MUI offer adjustments and shadow settlement statements to verify results 12

THIS WEEK Base Case, Schedules, Mitigation URD Exemptions Resource Offer Caps 6/14 Out-of-Merit Energy (OOME) Continue with deployment testing Cap, Floor, Cap & Floor, & Fixed To Do: Review settlements and continue to reach out for any issues 13

NEXT WEEK Nearing the end Base Case, Schedules, Mitigation LMP Repricing Settlements OOME WRTBM Outage Simulation Contingency Reserve Simulation Scenario Re-Testing To Do: Review settlements and continue to reach out for any issues 14

DEPLOYMENT TESTS CHRIS BALDWIN 15

DEPLOYMENT TESTS SPP will schedule a series of deployment tests to demonstrate that CSU can follow Setpoints sent by SPP through ICCP. The 2nd deployment test is schedule for Wednesday, June 15 from 1:00 3:00 CST. The meeting notice will be sent out early this week. During every deployment test, SPP will open a call to include the participating BA, MP, SPP WEIS Market Operator, SPP West RC, and SPP testing staff. These open calls will allow for immediate communication of any issues experienced during the test and, if needed, early termination of the deployment test by any party on the call. 16

DEPLOYMENT TESTS CONT CSU should submit the following Resource offers for Resources participating in WEIS Deployment Tests: Commit Status Self Realistic operating limits and ramp rates Realistic Energy Offer Curve CSU is expected to follow the SPP setpoint instructions delivered by ICCP. No financially-binding Market Settlement calculation will be performed 17

DEPLOYMENT TESTS CONT Our 1st Deployment Test conducted on 6/8 was a success. We successfully tested the Front Range Power Plant and South Plant 6. Our 2nd Deployment Test is scheduled for 6/15. We will be testing the following resources: Nixon 1 South Plant 7 Grazing Yak Solar Palmer Solar 18

WRAPPING IT UP CHRIS BALDWIN 19

KEY POINTS Testing Period: May 23 July 5 Submit all testing questions and issues through the SPP Request Management System (RMS) using the Submit an Inquiry request template, the Inquiry request type, and the Projects / Initiatives subtype 1 and CSU Integration Into WEIS for subtype 2. Remember to turn in your 3 test checklist by mid-June so we can see where we stand. Next Steps 20

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