Operations Messages |
This section contains important messages from the ERCOT Control Room. Refresh this screen to see current operation messages. (Subscribe to Operations Messages 
RSS feed.)
| Feb 2012 | Jan 2012 | Dec 2011 | Nov 2011 |
| Date | Message | Type | Status | |
|---|---|---|---|---|
| Feb 08 2012 12:35:57 CST | ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW | Advisory | Cancelled | |
| Feb 08 2012 10:01:34 CST | Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW | Advisory | Active | |
| Feb 08 2012 07:27:21 CST | No sudden loss of generation greater than 450 MW occurred on 02/07/12. | Operational Information | Active | |
| Feb 08 2012 05:24:33 CST | DAM OD 2/9/2012 will be using West to North (W_TO_N) generic constraint limits of 2317 MW for HE 1-4 and 1947 MW for HE 5-24. | OCN | Active | |
| Feb 08 2012 02:40:26 CST | ERCOT has cancelled the following notice: ERCOT is constraining for the West-North stability limit. | Operational Information | Cancelled | |
| Feb 07 2012 19:17:46 CST | West-North Stability Limit: ERCOT is constraining for the West-North stability limit. | Operational Information | Active | |
| Feb 07 2012 11:50:14 CST | ERCOT has cancelled the following notice: At 16:20 on February 8, 2012, ERCOT will perform a site failover of its Energy Market Management Systems. During this time, market communications will be unavailable for about 40 minutes, and real-time communications will be unavailable for about 5 minutes. All systems should re-establish communications automatically. This event will be preceded by a "hot line" call shortly before beginning. | Operational Information | Cancelled | |
| Feb 07 2012 11:49:19 CST | At 16:20 on February 8, 2012, ERCOT will perform a site failover of its Energy Market Management Systems. During this time, market communications will be unavailable for about 40 minutes, and real-time communications will be unavailable for about 5 minutes. All systems should re-establish communications automatically. This event will be preceded by a "hot line" call shortly before beginning. | Operational Information | Cancelled | |
| Feb 07 2012 11:37:37 CST | At 16:20 on February 8, 2012, ERCOT will perform a site failover of its Energy Market Management Systems. During this time, market communications will be unavailable for about 40 minutes, and real-time communications will be unavailable for about 5 minutes. All systems should re-establish communications automatically. This event will be preceded by a "hot line" call shortly before beginning. | Operational Information | Active | |
| Feb 07 2012 07:21:53 CST | Planned Outage scheduled on the RailRoad DC Tie including associated circuit breakers and disconnects from Monday 02/13/2012 at 08:30 until 18:00 Tuesday 02/14/2012. | Operational Information | Active | |
| Feb 07 2012 07:15:45 CST | No sudden loss of generation greater than 450 MW occurred on 02/06/12. | Operational Information | Active | |
| Feb 07 2012 05:40:07 CST | DAM OD 2/8/2012 will be using West to North (W_TO_N) generic constraint limits of 2158 MW for HE 1-5 and 1580 MW for HE 6-24. | OCN | Active | |
| Feb 06 2012 06:29:26 CST | No sudden loss of generation greater than 450 MW occurred on 02/05/12. | Operational Information | Active | |
| Feb 06 2012 05:25:57 CST | DAM OD 2/7/2012 will be using West to North (W_TO_N) generic constraint limits of 2153 MW for HE 1-5,24 and 1576 MW for HE 6-23. | OCN | Active | |
| Feb 05 2012 07:17:18 CST | No sudden loss of generation greater than 450 MW occurred on 02/04/12. | Operational Information | Active | |
| Feb 05 2012 04:48:25 CST | DAM OD 2/6/2012 will be using West to North (W_TO_N) generic constraint limits of 2153 MW for HE 1-4,24 and 1576 MW for HE 5-23. | OCN | Active | |
| Feb 04 2012 16:10:33 CST | Test Message on Notice Builder/Twitter: This is a test of the ERCOT notification service. | Operational Information | Active | |
| Feb 04 2012 06:20:10 CST | No sudden loss of generation greater than 450 MW occurred on 02/03/12. | Operational Information | Active | |
| Feb 04 2012 05:22:03 CST | DAM OD 2/5/2012 will be using West to North (W_TO_N) generic constraint limits of 2150 MW for HE 1-7,16,17,24 and 1573 MW for HE 8-15,18-23. | OCN | Active | |
| Feb 03 2012 23:08:46 CST | ERCOT has cancelled the following notice: ERCOT is constraining for the West-North stability limit. | Operational Information | Cancelled | |
| Feb 03 2012 19:29:03 CST | ERCOT has cancelled the following notice: ERCOT is taking manual action for SAJORIO5 constraint. | Operational Information | Cancelled | |
| Feb 03 2012 19:22:48 CST | West-North Stability Limit: ERCOT is constraining for the West-North stability limit. | Operational Information | Active | |
| Feb 03 2012 11:37:26 CST | ERCOT is taking manual action for SAJORIO5 constraint. | Operational Information | Active | |
| Feb 03 2012 06:40:40 CST | No sudden loss of generation greater than 450 MW occurred on 02/02/12. | Operational Information | Active | |
| Feb 03 2012 06:09:43 CST | ERCOT has cancelled the following notice: ERCOT is constraining for the West-North stability limit. | Operational Information | Cancelled | |
| Feb 03 2012 06:04:43 CST | ERCOT has cancelled the following notice: ERCOT is taking manual action for SAJORIO5 constraint. | Operational Information | Cancelled | |
| Feb 03 2012 05:25:46 CST | DAM OD 2/4/2012 will be using West to North (W_TO_N) generic constraint limits of 2150 MW for HE 1-18,22-24 and 1573 MW for HE 19-21. | OCN | Active | |
| Feb 03 2012 02:56:51 CST | ERCOT is taking manual action for SAJORIO5 constraint. | Operational Information | Active | |
| Feb 03 2012 00:25:55 CST | ERCOT has cancelled the following notice: ERCOT is taking manual actions for the SAJORIO5 constraint. | Operational Information | Cancelled | |
| Feb 02 2012 18:38:34 CST | ERCOT is taking manual actions for the SAJORIO5 constraint. | Operational Information | Active | |
| Feb 02 2012 11:21:47 CST | West-North Stability Limit: ERCOT is constraining for the West-North stability limit. | Operational Information | Active | |
| Feb 02 2012 05:39:52 CST | DAM OD 2/3/2012 will be using West to North (W_TO_N) generic constraint limits of 2150 MW for HE 1-7,9-10,23-24 and 1573 MW for HE 8,11-22. | OCN | Active | |
| Feb 02 2012 05:04:23 CST | No sudden loss of generation greater than 450 MW occurred on 02/01/12 | Operational Information | Active | |
| Feb 01 2012 05:39:48 CST | DAM OD 2/2/2012 will be using a Valley Import limit value of 400MW for all hours. | OCN | Active | |
| Feb 01 2012 05:39:10 CST | DAM OD 2/2/2012 will be using West to North (W_TO_N) generic constraint limits of 2148 MW for HE 1-6,23-24 and 1572 MW for HE 7-22. | OCN | Active | |
| Feb 01 2012 04:56:22 CST | No sudden loss of generation greater than 450 MW occurred on 01/31/12 | Operational Information | Active | |