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| Announcements are in Eastern prevailing time. |
**Minimum Generation Emergency ALERT Declaration**
Market Footprint Minimum Generation Emergency ALERT in effect from 02:30 to 06:00 EST on Monday, September 8, 2008.
Based on the medium term Load Forecast, current scheduled interchange, on-line Resources, and transmission security requirements the Midwest ISO is anticipating a supply surplus condition on a market footprint-wide basis and is requesting MISO Generation Operators and Market Participants to prepare for a Minimum Generation Emergency Event between 02:30 to 06:00 EST. The event may result in utilization of the Emergency ranges of on-line Generation Resources, the de-commitment of Generation Resources, requests to reduce purchases, or other Emergency actions.
Thank you for your cooperation.
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**Minimum Generation Emergency Alert Terminated**
Midwest ISO is terminating the Minimum Generation Emergency ALERT as of 0700 EST Sunday September 7.
Thank you for your cooperation.
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*Minimum Generation Emergency ALERT Declaration*
The Midwest ISO has is declaring a Market Footprint Minimum Generation Emergency ALERT, in effect from 00:01 to 08:30 EST on Sunday, September 7, 2008.
Based on the medium term Load Forecast, current scheduled interchange, on-line Resources, and transmission security requirements the Midwest ISO (MISO) is anticipating a supply surplus condition on a market footprint-wide basis and is requesting MISO Generation Operators and Market Participants to prepare for a Minimum Generation Emergency Event between 00:01 to 08:30 EST.
The event may result in utilization of the Emergency ranges of on-line Generation Resources, the de-commitment of Generation Resources, requests to reduce purchases, or other Emergency actions.
Thank you for your cooperation.
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The Minimum Generation Emergency Alert is TERMINATED as of 0730 EST.
Thank you for your cooperation.
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**Minimum Generation Emergency ALERT Declaration **
Market Footprint Minimum Generation Emergency ALERT in effect from 02:30 to 08:00 EST on Saturday, September 6, 2008.
Based on the medium term Load Forecast, current scheduled interchange, on-line Resources, and transmission security requirements the Midwest ISO (MISO) is anticipating a supply surplus condition on a market footprint-wide basis and is requesting MISO Generation Operators and Market Participants to prepare for a Minimum Generation Emergency Event between 02:30 to 08:00 EST. The event may result in utilization of the Emergency ranges of on-line Generation Resources, the de-commitment of Generation Resources, requests to reduce purchases, or other Emergency actions.
Thank you for your cooperation.
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The Midwest ISO will be performing maintenance today, September 5, 2008 from 1155 - 1630 EST on the ASM System Cutover (BPT) Environment. As a result, stakeholders may experience intermittent outages in this environment during this time.
We appreciate your cooperation during this effort.
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At 1030 EST, a brief scheduled maintenance ICCP outage for a duration of 5 minutes will be performed by Midwest ISO. Basepoints and NSI will continue to be sent out via XML. During this outage period, please report to the Midwest ISO any system changes that may affect reliability.
Thank you for your cooperation.
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At 15:30 EST, a scheduled maintenance ICCP outage for a duration of about 5 minutes will be performed by Midwest ISO. Basepoints and NSI will continue to be sent out via XML. During this brief outage period, please report to Midwest ISO any system changes that may affect reliability.
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**ARC Procedure Initiated from 05:10EST-05:40EST This Morning**
The Midwest ISO initiated the ARC procedure (RTO-OP-007-R5) from 05:10EST to 05:40EST this morning, due to a temporary capacity shortage. The ARC procedure was initiated in order to release capacity above dispatch maximum for use by UDS.
Thank you for your cooperation.
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At approximately 12:30 EST an estimated 10 minute ICCP outage will be performed by the MISO. Set Point and NSI instructions will continue to be sent out via XML during this outage period. If you have a dynamic schedule that is changing during the outage, you should contact you Regional RGD to make the change. A follow up message will be sent out upon the return of ICCP data, and normal operations are resumed. During this brief outage period, please report to the MISO any system changes that may affect reliability.
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Minimum Generation Emergency Termination as of 08:00 EST
Market Footprint Minimum Generation Emergency Event/Warning/Alert Terminated as of 08:00 EST on Monday September 1, 2008. We will return to normal operations, thank you for your assistance.
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Minimum Generation Emergency EVENT Declaration
Market Footprint Minimum Generation Emergency EVENT as of 01:55 EST on Monday, September 1, 2008.
Based on the current short term Load Forecast, scheduled interchange, on-line Resources, and transmission security requirements the Midwest ISO (MISO) is declaring a supply surplus on a market footprint-wide basis. MISO is now proceeding with utilization of the Emergency minimum ranges of on-line Generation Resources and decommitment of Generation Resources with short start times as coordinated with Generation Operators and Market Participants.
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Minimum Generation Emergency WARNING Declaration
Market Footprint Minimum Generation Emergency WARNING in effect from 02:00 to 08:00 EST on Monday, September 1, 2008.
Based on the medium term Load Forecast, current scheduled interchange, on-line Resources, and transmission security requirements the Midwest ISO (MISO) is anticipating a supply surplus condition on a market footprint-wide basis and is requesting MISO Generation Operators and Market Participants to prepare for a Minimum Generation Emergency Event between 02:00 to 08:00 EST on Monday, September 1, 2008. The currently forecasted dispatchable down-room to the economic minimums of on-line resources is projected to be -300 MW (SURPLUS) during these hours. The event may result in utilization of the Emergency ranges of on-line Generation Resources, the decommitment of Generation Resources, requests to reduce purchases, or other Emergency actions.
BA(s) and GO(s) implement actions per Minimum Generation Emergency Alert (RTO-EOP-003)
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Minimum Generation Emergency ALERT Declaration
Market Footprint Minimum Generation Emergency ALERT in effect from 02:00 to 08:00 EST on Monday, September 1, 2008.
Based on the medium term Load Forecast, current scheduled interchange, on-line Resources, and transmission security requirements the Midwest ISO (MISO) is anticipating a supply surplus condition on a market footprint-wide basis and is requesting MISO Generation Operators and Market Participants to prepare for a Minimum Generation Emergency Event between 02:00 to 08:00 EST on Monday, September 1, 2008. The currently forecasted dispatchable down-room to the economic minimums of on-line resources is projected to be 474 MW during these hours. The event may result in utilization of the Emergency ranges of on-line Generation Resources, the decommitment of Generation Resources, requests to reduce purchases, or other Emergency actions.
BA(s) and GO(s) implement actions per Minimum Generation Emergency Alert (RTO-EOP-003)
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There will be an approximately 20 minute outage to the Midwest ISO Day Ahead Real Time (DART) system from 00:00 EST (midnight) until 00:20 EST on Monday, September 1, 2008. This outage is to facilitate the cut-over to the new September model.
During this time dispatch instructions will not be provided to Market Participants (MP) over ICCP or XML. MPs are instructed to use the last NSI provided just prior to the outage in your ACE equation and change generation output within your area to control ACE.
Please inform your RGD if your areas NSI needs to be changed due to inadequate or excessive generation in your area that will not allow for a generation dispatch that will balance your areas ACE.
Thank you for your cooperation.
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****UPDATE****
The Midwest ISO is terminating the Minimum Generation Emergency Warning as of 07:30 EST. The Minimum Generation Emergency Alert will also end as of 07:30 EST. Thank you for your assistance during this event.
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Minimum Generation Emergency Warning Declaration
Market Footprint Minimum Generation Emergency Warning now in effect 06:00 through 09:00 EST Today Sunday 08/31/08
Based on the current short-term Load Forecast, scheduled interchange, on-line Resources, and transmission security requirements the Midwest ISO is warning of a supply surplus on a market footprint-wide basis and is requesting MISO Generation Operators and Market Participants to prepare for a Minimum Generation Emergency Event. The short-term Load Forecast is currently -360 megawatts above (surplus) the sum of the output of the economic output levels of online generation in the Market Footprint . Generation Operators are requested to prepare the Generation Resources to operate at Emergency minimum levels and review their commitment to and communicate any potential decommitments to MISO.
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Minimum Generation Emergency ALERT Declaration
Market Footprint Minimum Generation Emergency ALERT in effect from 02:00 to 09:00 EST on Sunday, August 31, 2008.
Based on the medium term Load Forecast, current scheduled interchange, on-line Resources, and transmission security requirements the Midwest ISO (MISO) is anticipating a PROBABLE supply surplus condition on a market footprint-wide basis and is requesting MISO Generation Operators and Market Participants to prepare for a Minimum Generation Emergency Event between 02:00 to 09:00 EST on Sunday, August 31, 2008. The currently forecasted dispatchable down-room to the economic minimums of on-line resources is projected to be -1,990 MW (a supply surplus) during these hours. The event may result in utilization of the Emergency ranges of on-line Generation Resources, the decommitment of Generation Resources, requests to reduce purchases, or other Emergency actions.
BA(s) and GO(s) implement actions per Minimum Generation Emergency Alert (RTO-EOP-003).
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****UPDATE****
The ICCP update was completed at 1435 EST. Problems developed with the new data sets and a second outage was required to back out the update. ICCP links were restored with the pre-outage model at 1444 EST. If you have any ICCP data Issues going forward please contact the Midwest ISO RGD or RC.
We appreciate your cooperation during this effort.
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At 1430 EST, today, Friday Aug. 29, 2008, an ICCP update will be performed by Midwest ISO, which involves an estimated 5 to 10 minute ICCP data outage. Generator set points and NSI instructions will continue to be sent out via XML during this period. During this time, please report any system changes that may affect reliability to the regional RC.
We appreciate your cooperation during this effort.
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The Midwest ISO ASM Operational Test will end after the 1240 EST ASM UDS Case. Market Operations will return to the Energy Market Only System starting with the 1245 EST UDS Case.
The Midwest ISO thanks all participants for their cooperation during the test.
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****UPDATE****
Starting with the 1215 EST UDS case, the Midwest ISO will again enable dispatch bands.
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Starting with the 0855 EST UDS case, the Midwest ISO is disabling the use of Dispatch bands to meet ASM product requirements.
We appreciate your cooperation during this effort.
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****UPDATE****
The simulated failure UDS will be terminated with the 0815 EST ASM UDS Case. The UDS Setpoints will again be sent starting with the 0815 UDS Case.
Thank you for your cooperation.
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At 0742 EST, the Midwest ISO is simulating ASM UDS failure. The Backup UDS will be implemented per the ASM Loss of UDS Procedure. Please follow AGC Setpoints.
Thank you for your cooperation.
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