NDCRC.RTC+B Updates and Changes Overview
Discover the latest updates and changes in NDCRC.RTC+B, including timeline adjustments, reactive test modifications, AVR test enhancements, unit database changes, and more. Stay informed about the upcoming release and project progress in December 2025.
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Presentation Transcript
NDCRC RTC+B Changes Nick Barbas April 24, 2025
NDCRC RTC+B Timeline Update o NDCRC RTC+B release planned for production in December 2025 to incorporate changes supporting the submission of test data for single model ESRs o Project is in execution phase with a release candidate currently deployed to test environment at ERCOT 2 PUBLIC
NDCRC RTC+B Reactive Test Changes o Launching a new ESR specific version of the reactive test that s similar to existing MVAR/IRR versions of the form with the following notable changes o Only allows selection of single model ESR units o Displays two separate sets of CURL points for discharging and charging rather than a single set like existing reactive tests o CURL Points (Charge) section expects negative Megawatt values o The 3 separate tests to gather metrics on are now classified as Test 1a (15 min) , Test 1b (15 min) , and Lagging Test 2 (1 hr) o VSS Validation section of form adds Max Net Discharge Power and Max Net Charge Power fields 3 PUBLIC
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NDCRC RTC+B AVR Test Changes o Users are expected to use the existing version of the form to submit single model AVR tests, unlike the reactive test o New field added to form called AVR Test Category with values ESRCharging , ESR Discharging , and Normal 7 PUBLIC
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NDCRC RTC+B Unit Changes - Database o Units with the designation PWRSTR (power storage) representing the generation side of a combo model ESR will be removed o Units with the designation CLR (controllable load resource) representing the load side of a combo model ESR will be removed, but other CLRs outside of combo model ESRs will remain in the database o New units with the designation ESR (energy storage resource) will be added to the database to replace the removed PWRSTR / CLR combo model units o Naming convention for ESR units are STATION_ESR1 , STATION_ESR2 9 PUBLIC
NDCRC RTC+B Unit Changes Existing NDCRC Forms o CT Freq. Resp. exclude single model ESRs from unit list o ESR Freq. Resp. only show single model ESRs in unit list o CLR Freq. Resp. only show CLRs that aren t part of a combo model ESR o Turbine Mech-Hydr. exclude single model ESRs from unit list o Turbine Electro-Hydr. exclude single model ESRs from unit list o Historical Freq. Resp. exclude single model ESRs from unit list o ESR Historical Freq. Resp. only show single model ESRs in unit list o Unannounced Seasonal HSL exclude single model ESRs from unit list 10 PUBLIC
