ERCOT Frequency Control Report July 2018 Summary
"Explore key insights from the ERCOT Frequency Control Report for July 2018, including CPS1 statistics, BAAL exceedances, energy generation data, and more."
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ERCOT Frequency Control Report July 2018 ERCOT Operations Planning PDCWG | October 22nd, 2018
Summary of September 2018 CPS1: 174.40% Current CPS1 12-Month Rolling Average: 176.01% 7 BAAL Exceedances Loss of ICCP Event Unit Losses 2 hourly CPS1 scores below 100% BAAL-003 Events have not been updated past May 2018 BAAL-003 FRM Performance: -788.77 2018 RMS1 Statistics Mean: 15.15 mHz Min: 13.77 mHz Max: 17.84 mHz September Energy Statistics Total Energy: 32,513,579 MWh Wind Energy: 3,770,566 MWh Percent Energy from Wind Generation: 11.60% September Minimum System Inertia Mean: 251,051 Min: 196,700 on September 30th Max: 281,526 on September 6th 2 PUBLIC
Frequency Control CPS1, BAAL, & RMS1 PUBLIC
Hourly CPS1 by Day September-18 CPS1 (%): 174.40 4 PUBLIC
BAAL Exceedances & Violations There were 7 BAAL exceedances September 23, 2018 Loss of ICCP Event 950 MW of generation ramp down Less than 59.91 Hz for 3 minutes September 26, 2018 Unit trip at 13:54:03 Loss of 1006 MW Less than 59.91 Hz for 3 minutes September 28, 2018 Unit trip at 12:00:14 Loss of 837 MW Less than 59.91 Hz for 1 minute 5 PUBLIC
15-Minute Average CPS1% September-18 CPS1 (%): 174.40 6 PUBLIC
12-Month Rolling Average CPS1 Current 12-Month Rolling Average: 176.01% 7 PUBLIC
Daily RMS1 of ERCOT Frequency by Month 10 PUBLIC
Daily RMS1 of ERCOT Frequency by Month 11 PUBLIC
Frequency Profile Comparison PUBLIC
Frequency Profile Comparison 13 PUBLIC
Frequency Profile Comparison 14 PUBLIC
Time Error Correction PUBLIC
ERCOT Daily Time Error 16 PUBLIC
Time Error Corrections Log Summary There have been no time error corrections since December 2016 17 PUBLIC
BAL-003 Performance PUBLIC
Op. Year 2018 BAL-003 Selected Events BA Time Zone CST CST CST BA BA Bias DelFreq -0.098 -0.105 -0.033 -0.085 -0.041 -0.076 -0.048 -0.048 -0.095 -0.081 SEFRD (FRM) for Bias Exclude for data error * N N N N N N Y Y N N Value "A" Information (MW) Load Loss 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Value "B" Information (MW) Load Loss Adjust. (MW/0.1Hz) (MW/0.1Hz) 816.0 0.0 784.2 0.0 513.5 0.0 797.3 0.0 434.1 0.0 438.0 0.0 349.0 0.0 408.0 0.0 536.3 0.0 460.5 0.0 Date/Time (t-0) BA Time 2/5/2018 14:04:41 2/14/2018 06:30:17 3/5/2018 00:51:20 3/24/2018 15:47:15 CDT 3/29/2018 10:09:40 CDT 4/13/2018 20:02:08 CDT 4/14/2018 19:11:25 CDT 4/28/2018 12:15:43 CDT 5/5/2018 10:19:04 CDT 5/21/2018 02:06:23 CDT B to A DelFreq -0.098 -0.105 -0.033 -0.085 -0.041 -0.076 -0.048 -0.048 -0.095 -0.081 for R1 Time 14:04:46 6:30:21 6:51:20 20:47:15 16:09:40 2:02:08 1:11:25 18:15:43 16:19:04 8:06:23 Adjust 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -829.9 -747.7 -1552.2 -943.3 -1049.1 -577.9 -829.9 -747.7 -1552.2 -943.3 -1049.1 -577.9 -563.5 -568.4 -563.5 -568.4 Maybe. Will be valuated at the end of the year. 19 PUBLIC
Op. Year 2018 BAL-003 FRM Performance FRM Performance Results for 2018 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) 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 2018 -381.0 -381.0 -788.77 -854.0 0.0 20 PUBLIC
ERCOT Energy Statistics PUBLIC
Total Energy 22 PUBLIC
Total Energy from Wind Generation 23 PUBLIC
% Energy from Wind Generation 24 PUBLIC
ERCOT System Inertia PUBLIC
Daily Minimum System Inertia 26 PUBLIC
Questions? Thank you! PUBLIC
Op. Year 2017 BAL-003 Selected Events BA Time Zone CST CST CST CST CST CST CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT CDT BA BA Bias DelFreq -0.101 -0.087 -0.039 -0.086 -0.055 -0.100 -0.056 -0.080 -0.059 -0.111 -0.074 -0.039 -0.054 -0.038 -0.064 -0.080 -0.075 -0.043 -0.067 -0.113 -0.039 -0.074 -0.076 -0.099 -0.111 -0.100 -0.045 -0.084 SEFRD (FRM) for Bias (MW/0.1Hz) (MW/0.1Hz) -566.2 -843.4 -2015.8 -518.8 -774.2 -820.1 -672.6 -907.9 -584.9 -503.8 -496.1 -1135.3 -711.0 -898.3 -697.2 -735.5 -604.4 -1110.4 -658.9 -751.0 -1426.1 -797.9 -782.1 -692.7 -615.4 -798.7 -1012.7 -1438.0 Exclude for data error * N N N N N N N N N N N N N N N N N N N N N N N N N N N N Value "A" Information (MW) Value "B" Information (MW) Date/Time (t-0) BA Time 12/23/2016 16:54:10 1/6/2017 23:58:49 1/23/2017 21:50:18 2/13/2017 23:52:37 2/19/2017 22:49:05 3/9/2017 18:36:46 3/14/2017 22:20:54 3/29/2017 19:54:25 4/10/2017 17:02:59 4/13/2017 09:14:33 4/16/2017 08:47:50 4/26/2017 18:29:26 5/10/2017 20:38:47 5/19/2017 17:00:04 5/21/2017 18:25:01 6/2/2017 10:03:06 6/6/2017 18:07:58 6/7/2017 17:25:00 6/11/2017 03:52:31 6/11/2017 21:42:13 6/16/2017 07:46:23 6/27/2017 15:50:33 7/2/2017 00:19:35 7/26/2017 14:30:39 8/9/2017 18:33:54 8/23/2017 12:51:25 9/1/2017 16:56:08 9/1/2017 21:41:45 B to A DelFreq -0.100 -0.088 -0.042 -0.086 -0.055 -0.100 -0.056 -0.080 -0.059 -0.109 -0.075 -0.039 -0.052 -0.037 -0.064 -0.081 -0.074 -0.042 -0.066 -0.113 -0.038 -0.075 -0.077 -0.100 -0.111 -0.100 -0.044 -0.083 -0.043 -0.108 -0.099 -0.062 -0.082 -0.072 -0.096 -0.074 -0.123 for R1 Time 16:54:13 23:58:52 21:50:21 23:52:41 22:49:08 18:36:50 22:20:58 19:54:28 17:03:02 9:14:36 8:47:55 18:29:27 20:38:49 17:00:03 18:25:04 10:03:08 18:08:00 17:25:18 3:52:34 21:42:16 7:46:23 15:50:37 0:19:38 14:30:42 18:33:57 12:51:28 16:56:09 21:41:48 Load Loss 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Adjust 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Load Loss 570.2 731.2 796.0 447.0 429.0 823.0 375.0 727.0 343.7 559.8 368.6 438.0 380.8 339.9 447.9 589.0 452.0 472.0 443.0 848.0 550.0 594.0 595.5 702.0 700.5 797.2 456.5 1203.6 Adjust. 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16.0 16.0 0.0 0.0 0.0 -566.2 -843.4 -2015.8 -518.8 -774.2 -820.1 -672.6 -907.9 -584.9 -503.8 -496.1 -1135.3 -711.0 -898.3 -697.2 -735.5 -604.4 -1110.4 -658.9 -751.0 -1426.1 -797.9 -782.1 -692.7 -615.4 -798.7 -1012.7 -1438.0 9/9/2017 12:09:40 9/15/2017 17:50:45 CDT CDT 12:09:41 17:50:48 -0.044 -0.109 0.0 0.0 0.0 0.0 524.9 812.1 0.0 0.0 -1193.8 -744.2 -1193.8 -744.2 N N 10/6/2017 11:16:37 10/8/2017 05:00:54 10/29/2017 19:24:15 11/6/2017 09:08:19 11/13/2017 15:16:10 11/18/2017 02:30:34 11/25/2017 20:24:32 CDT CDT CDT CST CST CST CST 11:16:40 5:00:57 19:24:18 9:08:22 15:16:13 2:30:36 20:24:35 -0.098 -0.062 -0.082 -0.072 -0.097 -0.075 -0.122 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 831.4 692.5 561.1 550.1 659.9 474.1 1218.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 -844.9 -1122.7 -684.8 -759.0 -682.1 -635.6 -995.9 -844.9 -1122.7 -684.8 -759.0 -682.1 -635.6 -995.9 N N N N N N N 28 PUBLIC
Op. Year 2017 BAL-003 FRM Performance FRM Performance Results for 2017 2017 -381.0 -381.0 Current data year (December thru November) Operating Year 2018 BA Frequency Response Obligation (FRO) for next year's FRM Operating Year 2017 BA Frequency Response Obligation (FRO) -758.96 2017 FRM - Median Estimated Frequency Response MW/0.1Hz for BA Compliance to R1, minimum Frequency Response 2017 FRM - Average Estimated Frequency Response MW/0.1 Hz using SEFRD for R1 2017 FRM - Regression Estimated Frequency Response MW/0.1Hz using SEFRD for R1 -844.1 0.0 29 PUBLIC
