ERCOT Frequency Control Report November 2019 Summary
Discover key findings from the ERCOT Frequency Control Report for November 2019, including CPS1 statistics, BAAL exceedances, RMS1 data, energy statistics, and more. Gain insights into the performance of the ERCOT grid and its frequency control measures.
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Presentation Transcript
ERCOT Frequency Control Report November 2019 ERCOT Operations Planning PDCWG | December 11th, 2019
Summary of November 2019 CPS1: 174.54% Current CPS1 12-Month Rolling Average: 174.58% 0 BAAL Exceedance 2 hourly CPS1 score below 100% BAAL-003 Events have updated through 2018 2018 BAAL-003 FRM Performance: -843.17 2019 RMS1 Statistics Mean: 15.08 mHz Min: 13.11 mHz Max: 18.90 mHz Energy Statistics Total Energy: 27,652,184 MWh Wind Energy: 6,358,646 MWh Percent Energy from Wind: 23.00% Solar Energy: 259.938 Percent Energy from Solar: 0.94% Minimum System Inertia Mean: 179,908 Max: 260,577 on Nov 12th Min: 144,925 on Nov 19th 2 PUBLIC
Frequency Control CPS1, BAAL, & RMS1 PUBLIC
Hourly CPS1 by Day Nov-19 CPS1 (%): 174.54 4 PUBLIC
BAAL Exceedances & Violations There was 0 BAAL exceedances in Nov 5 PUBLIC
15-Minute Average CPS1% Nov-19 CPS1 (%): 174.54 6 PUBLIC
12-Month Rolling Average CPS1 Current 12-Month Rolling Average: 174.58% 7 PUBLIC
Daily RMS1 of ERCOT Frequency by Month 10 PUBLIC
Frequency Profile Comparison PUBLIC
Frequency Profile Comparison 12 PUBLIC
Frequency Profile Comparison 13 PUBLIC
Time Error Correction PUBLIC
ERCOT Daily Time Error 4 4 3 3 2 2 Daily Time Error Delta (s) 1 1 Time Error (s) 0 0 -1 -1 -2 -2 -3 -3 -4 -4 Day Daily Delta Slow TEC Fast TEC Time Error 15 PUBLIC
Time Error Corrections Log Summary There have been no time error corrections since December 2016 16 PUBLIC
BAL-003 Performance PUBLIC
Op. Year 2018 BAL-003 Selected Events Update BA Time Zone CST CST CST CDT BA BA Bias DelFreq -0.098 -0.105 -0.085 -0.084 SEFRD (FRM) for Bias (MW/0.1Hz) (MW/0.1Hz) -829.9 -747.7 -943.3 -1434.3 Exclude for data error * N N N N Value "A" Information (MW) Value "B" Information (MW) Date/Time (t-0) BA Time 2/5/2018 14:04:41 2/14/2018 6:30:17 3/24/2018 14:47:15 8/13/2018 22:59:53 B to A DelFreq -0.098 -0.105 -0.085 -0.084 -0.102 for R1 Time 14:04:46 6:30:21 20:47:15 22:59:58 Load Loss 0.0 0.0 0.0 0.0 Adjust 0.0 0.0 0.0 0.0 Load Loss Adjust. 816.0 784.2 797.3 1197.9 0.0 0.0 0.0 0.0 -829.9 -747.7 -943.3 -1434.3 9/4/2018 19:30:17 CDT 19:30:23 -0.102 0.0 0.0 860.3 0.0 -843.2 -843.2 N 18 PUBLIC
Op. Year 2018 BAL-003 FRM Performance - Update FRM Performance Results for 2018 2018 -381.0 -381.0 Current data year (December thru November) Operating Year 2019 BA Frequency Response Obligation (FRO) for next year's FRM Operating Year 2018 BA Frequency Response Obligation (FRO) -843.17 2018 FRM - Median Estimated Frequency Response MW/0.1Hz for BA Compliance to R1, minimum Frequency Response 2018 FRM - Average Estimated Frequency Response MW/0.1 Hz using SEFRD for R1 2018 FRM - Regression Estimated Frequency Response MW/0.1Hz using SEFRD for R1 -959.7 0.0 19 PUBLIC
ERCOT Energy Statistics PUBLIC
Total Energy 21 PUBLIC
Total Energy from Wind Generation 22 PUBLIC
% Energy from Wind Generation 23 PUBLIC
Total Energy From Solar Generation 24 PUBLIC
% Energy from Solar Generation 25 PUBLIC
ERCOT System Inertia PUBLIC
Daily Minimum System Inertia 400,000 350,000 300,000 250,000 System Inertia (MW*s) 200,000 150,000 100,000 50,000 0 Outlier Mean 27 PUBLIC
Questions? Thank you! PUBLIC
