Eastern Interconnection Frequency Events
(updated as events are recorded.)
All times are UTC.
Generated at 05:04:15 08-Sep-2024 UTC.
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 09/01/24 |
12:56:10 |
12:56:13 |
0.021 |
0.0038 |
VT ROC |
| 09/01/24 |
12:56:11 |
12:56:15 |
0.024 |
0.0038 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 09/02/24 |
12:31:47 |
12:31:49 |
0.027 |
0.0042 |
VT ROC |
| 09/02/24 |
12:31:47 |
12:31:57 |
0.029 |
0.0039 |
Delta + |
| 09/02/24 |
13:00:16 |
13:00:19 |
0.029 |
0.0039 |
VT ROC |
| 09/02/24 |
13:00:17 |
13:00:25 |
0.030 |
0.0039 |
Delta + |
| 09/02/24 |
13:44:50 |
13:44:57 |
0.027 |
0.0036 |
Delta + |
| 09/02/24 |
15:20:58 |
15:21:00 |
0.023 |
0.0040 |
VT ROC |
| 09/02/24 |
15:20:58 |
15:21:03 |
0.025 |
0.0036 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 09/03/24 |
10:24:47 |
10:24:58 |
0.028 |
0.0037 |
Delta + |
| 09/03/24 |
10:33:35 |
10:33:38 |
0.028 |
0.0044 |
VT ROC |
| 09/03/24 |
10:33:34 |
10:33:47 |
0.030 |
0.0039 |
Delta + |
| 09/03/24 |
11:08:41 |
11:08:51 |
0.032 |
0.0036 |
Delta + |
| 09/03/24 |
11:16:09 |
11:16:14 |
0.030 |
0.0045 |
VT ROC |
| 09/03/24 |
11:16:09 |
11:16:18 |
0.031 |
0.0043 |
Delta + |
| 09/03/24 |
12:49:16 |
12:49:18 |
0.028 |
0.0039 |
VT ROC |
| 09/03/24 |
12:49:14 |
12:49:26 |
0.031 |
0.0037 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 09/04/24 |
10:01:26 |
10:01:31 |
0.033 |
0.0048 |
VT ROC |
| 09/04/24 |
10:01:22 |
10:01:34 |
0.034 |
0.0048 |
Delta + |
| 09/04/24 |
13:01:33 |
13:01:37 |
0.027 |
0.0046 |
VT ROC |
| 09/04/24 |
13:01:33 |
13:01:41 |
0.028 |
0.0041 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 09/05/24 |
03:31:51 |
03:31:54 |
-0.030 |
-0.0037 |
VT ROC |
| 09/05/24 |
03:31:49 |
03:32:01 |
-0.033 |
-0.0036 |
Delta - |
| 09/05/24 |
09:10:55 |
09:11:06 |
0.030 |
0.0035 |
Delta + |
| 09/05/24 |
11:59:56 |
12:00:02 |
0.034 |
0.0063 |
VT ROC |
| 09/05/24 |
11:59:57 |
12:00:04 |
0.035 |
0.0057 |
Delta + |
| 09/05/24 |
19:02:34 |
19:02:40 |
-0.035 |
-0.0062 |
VT ROC |
| 09/05/24 |
19:02:34 |
19:02:44 |
-0.037 |
-0.0059 |
Delta - |
| 09/05/24 |
23:55:19 |
23:55:22 |
-0.026 |
-0.0062 |
VT ROC |
| 09/05/24 |
23:55:20 |
23:55:26 |
-0.030 |
-0.0047 |
Delta - |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 09/06/24 |
03:59:04 |
03:59:08 |
-0.030 |
-0.0043 |
VT ROC |
| 09/06/24 |
03:59:03 |
03:59:12 |
-0.032 |
-0.0041 |
Delta - |
| 09/06/24 |
10:00:04 |
10:00:10 |
-0.027 |
-0.0037 |
Delta - |
| 09/06/24 |
10:08:34 |
10:08:38 |
0.028 |
0.0041 |
VT ROC |
| 09/06/24 |
10:08:35 |
10:08:55 |
0.030 |
0.0038 |
Delta + |
| 09/06/24 |
10:11:31 |
10:11:33 |
0.026 |
0.0037 |
VT ROC |
| 09/06/24 |
10:11:29 |
10:11:38 |
0.031 |
0.0036 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 09/07/24 |
00:10:25 |
00:10:31 |
-0.025 |
-0.0036 |
Delta - |
| 09/07/24 |
04:00:05 |
04:00:09 |
-0.033 |
-0.0046 |
VT ROC |
| 09/07/24 |
04:00:01 |
04:00:11 |
-0.034 |
-0.0045 |
Delta - |
| 09/07/24 |
05:01:13 |
05:01:15 |
0.022 |
0.0038 |
VT ROC |
| 09/07/24 |
05:01:14 |
05:01:22 |
0.025 |
0.0037 |
Delta + |
| 09/07/24 |
11:15:47 |
11:15:51 |
0.025 |
0.0041 |
VT ROC |
| 09/07/24 |
11:15:48 |
11:15:54 |
0.026 |
0.0040 |
Delta + |
| 09/07/24 |
11:19:59 |
11:20:01 |
0.025 |
0.0040 |
VT ROC |
| 09/07/24 |
12:03:30 |
12:03:31 |
0.029 |
0.0041 |
VT ROC |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 09/08/24 |
04:00:06 |
04:00:08 |
-0.023 |
-0.0047 |
VT ROC |
| 09/08/24 |
05:00:05 |
05:00:10 |
-0.028 |
-0.0048 |
VT ROC |
| 09/08/24 |
05:00:06 |
05:00:13 |
-0.029 |
-0.0043 |
Delta - |
| 09/08/24 |
05:03:55 |
05:04:04 |
-0.029 |
-0.0036 |
Delta - |
PSFM Hardware and software by Robert M. Orndorff
Generated at 05:04:15 08-Sep-2024 UTC.
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