ERCOT Frequency Control Report June 2019 ERCOT Operations Planning PDCWG July 18 th 2019 Summary of June 2019 CPS1 17462 Current CPS1 12Month Rolling Average 17428 0 BAAL Exceedances 2 ID: 771289
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ERCOT Frequency Control Report June 2019 ERCOT Operations Planning PDCWG | July 18 th , 2019
Summary of June 2019 CPS1: 174.62%Current CPS1 12-Month Rolling Average: 174.28%0 BAAL Exceedances2 hourly CPS1 scores below 100%BAAL-003 Events have updated through 20182018 BAAL-003 FRM Performance: -843.17 2 2019 RMS1 Statistics Mean: 15.07 mHz Min: 13.38 mHz Max: 17.94 mHz Energy Statistics Total Energy: 35,157,820 MWh Wind Energy: 5,771,138 MWh Percent Energy from Wind Generation: 16.41% Minimum System Inertia Mean: 255,097 Max: 281,561 on Jun 19th Min: 195,835 on Jun 14th
Frequency Control CPS1, BAAL, & RMS1
Hourly CPS1 by Day 4 Jun-19 CPS1 (%): 174.62
BAAL Exceedances & Violations There were 0 BAAL exceedances in June5
15-Minute Average CPS1% 6 Jun-19 CPS1 (%): 174.62
12-Month Rolling Average CPS1 7 Current 12-Month Rolling Average: 174.28%
Daily RMS1 of ERCOT Frequency by Year 8
Daily RMS1 of ERCOT Frequency by Month 9
Daily RMS1 of ERCOT Frequency by Month 10
Frequency Profile Comparison
Frequency Profile Comparison 12
Frequency Profile Comparison 13
Time Error Correction
ERCOT Daily Time Error 15
Time Error Corrections Log Summary 16 There have been no time error corrections since December 2016
BAL-003 Performance
Op. Year 2018 BAL-003 Selected Events – Update18
Op. Year 2018 BAL-003 FRM Performance - Update19
ERCOT Energy Statistics
Total Energy 21
Total Energy from Wind Generation 22
% Energy from Wind Generation 23
ERCOT System Inertia
Daily Minimum System Inertia 25
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