Eastern Interconnection Frequency Events
(updated as events are recorded.)
All times are UTC.
Generated at 23:00:14 26-Jul-2024 UTC.
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/01/24 |
14:27:50 |
14:27:51 |
0.025 |
0.0036 |
VT ROC |
| 07/01/24 |
14:42:01 |
14:42:05 |
-0.030 |
-0.0056 |
VT ROC |
| 07/01/24 |
14:42:05 |
14:42:06 |
-0.029 |
-0.0036 |
VT ROC |
| 07/01/24 |
14:42:02 |
14:42:10 |
-0.030 |
-0.0051 |
Delta - |
| 07/01/24 |
23:00:06 |
23:00:08 |
-0.023 |
-0.0038 |
VT ROC |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/04/24 |
09:41:49 |
09:41:50 |
-0.022 |
-0.0036 |
VT ROC |
| 07/04/24 |
09:41:50 |
09:41:56 |
-0.025 |
-0.0036 |
Delta - |
| 07/04/24 |
10:01:04 |
10:01:06 |
0.025 |
0.0038 |
VT ROC |
| 07/04/24 |
10:01:04 |
10:01:10 |
0.027 |
0.0035 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/05/24 |
10:55:26 |
10:55:27 |
0.021 |
0.0037 |
VT ROC |
| 07/05/24 |
12:02:37 |
12:02:39 |
0.026 |
0.0037 |
VT ROC |
| 07/05/24 |
12:02:34 |
12:02:42 |
0.027 |
0.0036 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/06/24 |
10:59:31 |
10:59:33 |
0.026 |
0.0042 |
VT ROC |
| 07/06/24 |
10:59:30 |
10:59:43 |
0.027 |
0.0037 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/07/24 |
11:31:59 |
11:32:00 |
0.023 |
0.0036 |
VT ROC |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/08/24 |
15:33:24 |
15:33:37 |
59.938 |
|
Under 59.940 |
| 07/08/24 |
15:33:43 |
15:34:43 |
59.933 |
|
Under 59.940 |
| 07/08/24 |
19:24:13 |
19:24:17 |
-0.035 |
-0.0069 |
VT ROC |
| 07/08/24 |
19:24:11 |
19:24:22 |
-0.036 |
-0.0055 |
Delta - |
| 07/08/24 |
21:53:56 |
21:54:02 |
-0.024 |
-0.0040 |
Delta - |
| 07/08/24 |
21:57:33 |
21:57:50 |
59.938 |
|
Under 59.940 |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/09/24 |
01:26:04 |
01:26:12 |
-0.046 |
-0.0082 |
VT ROC |
| 07/09/24 |
01:26:02 |
01:26:16 |
-0.048 |
-0.0070 |
Delta - |
| 07/09/24 |
13:45:11 |
13:45:16 |
0.034 |
0.0054 |
VT ROC |
| 07/09/24 |
13:45:09 |
13:45:20 |
0.035 |
0.0049 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/10/24 |
11:00:27 |
11:00:31 |
0.029 |
0.0051 |
VT ROC |
| 07/10/24 |
11:00:26 |
11:00:35 |
0.030 |
0.0045 |
Delta + |
| 07/10/24 |
23:00:43 |
23:00:47 |
0.027 |
0.0046 |
VT ROC |
| 07/10/24 |
23:00:44 |
23:00:49 |
0.027 |
0.0047 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/11/24 |
12:59:09 |
12:59:10 |
-0.022 |
-0.0036 |
VT ROC |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/12/24 |
01:24:27 |
01:24:32 |
-0.024 |
-0.0037 |
Delta - |
| 07/12/24 |
13:01:22 |
13:01:30 |
0.027 |
0.0037 |
Delta + |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/20/24 |
12:24:25 |
12:24:28 |
0.028 |
0.0039 |
VT ROC |
| 07/20/24 |
12:24:24 |
12:24:33 |
0.029 |
0.0038 |
Delta + |
| 07/20/24 |
14:47:45 |
14:47:47 |
0.025 |
0.0037 |
VT ROC |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/21/24 |
00:46:32 |
00:46:41 |
-0.041 |
-0.0068 |
VT ROC |
| 07/21/24 |
00:46:32 |
00:46:45 |
-0.043 |
-0.0060 |
Delta - |
| 07/21/24 |
12:53:12 |
12:53:14 |
0.024 |
0.0036 |
VT ROC |
| 07/21/24 |
13:15:50 |
13:15:53 |
0.027 |
0.0038 |
VT ROC |
| 07/21/24 |
13:15:50 |
13:15:59 |
0.030 |
0.0040 |
Delta + |
| 07/21/24 |
21:51:40 |
21:51:45 |
-0.030 |
-0.0049 |
VT ROC |
| 07/21/24 |
21:51:40 |
21:51:49 |
-0.031 |
-0.0044 |
Delta - |
| 07/21/24 |
23:00:07 |
23:00:08 |
-0.023 |
-0.0035 |
VT ROC |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/22/24 |
04:00:06 |
04:00:09 |
-0.021 |
-0.0042 |
VT ROC |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/23/24 |
12:05:12 |
12:05:17 |
0.032 |
0.0041 |
VT ROC |
| 07/23/24 |
12:05:11 |
12:05:19 |
0.033 |
0.0040 |
Delta + |
| 07/23/24 |
19:47:51 |
19:47:53 |
-0.023 |
-0.0047 |
VT ROC |
| 07/23/24 |
19:47:52 |
19:47:57 |
-0.025 |
-0.0037 |
Delta - |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/24/24 |
09:51:11 |
09:51:13 |
0.020 |
0.0040 |
VT ROC |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/25/24 |
12:40:35 |
12:40:39 |
0.030 |
0.0042 |
VT ROC |
| 07/25/24 |
12:40:34 |
12:40:44 |
0.031 |
0.0038 |
Delta + |
| 07/25/24 |
13:06:02 |
13:06:04 |
0.022 |
0.0038 |
VT ROC |
| 07/25/24 |
16:28:09 |
16:28:14 |
-0.030 |
-0.0047 |
VT ROC |
| 07/25/24 |
16:28:09 |
16:28:18 |
-0.031 |
-0.0047 |
Delta - |
| 07/25/24 |
19:09:44 |
19:09:50 |
-0.038 |
-0.0071 |
VT ROC |
| 07/25/24 |
19:09:44 |
19:09:53 |
-0.039 |
-0.0058 |
Delta - |
| Date |
Pickup |
Dropout |
Delta (Hz) |
Slope(Hz/sec) |
Type |
| 07/26/24 |
02:48:04 |
02:48:06 |
-0.026 |
-0.0038 |
VT ROC |
| 07/26/24 |
02:48:02 |
02:48:09 |
-0.027 |
-0.0038 |
Delta - |
| 07/26/24 |
04:00:06 |
04:00:09 |
-0.023 |
-0.0045 |
VT ROC |
| 07/26/24 |
10:15:33 |
10:15:37 |
0.030 |
0.0038 |
VT ROC |
| 07/26/24 |
10:15:32 |
10:15:42 |
0.031 |
0.0037 |
Delta + |
| 07/26/24 |
13:00:19 |
13:00:21 |
0.026 |
0.0037 |
VT ROC |
| 07/26/24 |
13:00:18 |
13:00:26 |
0.028 |
0.0036 |
Delta + |
| 07/26/24 |
23:00:07 |
23:00:09 |
-0.022 |
-0.0035 |
VT ROC |
PSFM Hardware and software by Robert M. Orndorff
Generated at 23:00:14 26-Jul-2024 UTC.
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