Michigan Electric Transmission Company



ITC Transmission CompanyGenerator Status VerificationITC has scheduled the following transmission outage which impacts generation. ITC plans to contact the generator and/or their designee to verify the generator status in preparation for the planned outage.MISO Transmission Planned Outage:Posting Date:9/20/2016MISO Ticket Number:1-11298734KV:120 KVFrom Station:DeanTo Station:RemerEquipment Name:Dean – Remer #1 & Dean Remer #2 Planned Start Date/Time:10/2/2016 0630 ESTPlanned End Date/Time:10/8/2016 1330 ESTOutage Type:PlannedComments:All Dean Units (GT-1, GT-2, GT-3, and GT-4) must be unavailable for the duration of this outage. The units will have no output path for the duration.Posting Date:8/2/2016MISO Ticket Number:1-11003332KV:120 KVFrom Station:Rapson To Station:SeasideEquipment Name:Rapson Transformer 305 and Rapson – Seaside 120 kVPlanned Start Date/Time:8/08/2016 0900 ESTPlanned End Date/Time:8/10/2016 1400 ESTOutage Type:PlannedComments:The output of the Sigel Wind Park and Big Turtle must be restricted to 40 MW gross output for the duration of this outage, to prevent Tie 5611 from exceeding its emergency rating, for the contingency loss of the Minden – Rapson 120kV line.Posting Date:7/5/2016 originally posted 7/1/2016MISO Ticket Number:1-1109374 and 1-11009642KV:120 KVFrom Station:Bad Axe To Station:WyattEquipment Name:Bad Axe – Wyatt #1 120kV and Bad Axe – Wyatt #2 120kVPlanned Start Date/Time:7/06/2016 0700 ESTPlanned End Date/Time:7/31/2016 1500 ESTOutage Type:PlannedComments:The combined output of Harvest Wind I and II will be restricted to 65 MW to prevent any post-contingent overloads on the Arrowhead 120/40kV Transformer and 40kV tie lines out of Arrowhead.** Revised from the original 0 MW restrictionPosting Date:6/29/2016MISO Ticket Number:1-11019988KV:120 KVFrom Station:Bad Axe To Station:Cosmo TapEquipment Name:Bad Axe – Cosmo 120kV Line Planned Start Date/Time:7/13/2016 1700 ESTPlanned End Date/Time:7/31/2016 1830 ESTOutage Type:PlannedComments:The combined output of Harvest Wind I and II will be restricted to 65 MW to prevent any post-contingent overloads on the Arrowhead 120/40kV Transformer and 40kV tie lines out of Arrowhead. Posting Date:06/03/2016MISO Ticket Number:1-10340608KV:120kVFrom Station:MindenTo Station:RapsonEquipment Name:Minden – Rapson 120 kV LinePlanned Start Date/Time:06/07/2016 0630 EDTPlanned End Date/Time:06/09/2016 1830 EDTOutage Type:PlannedComments:The output of the Sigel Wind Park and Big Turtle must be restricted to 40 MW gross output for the duration of this outage, to prevent Tie 5611 from exceeding its emergency rating, for the contingency loss of Rapson – Seaside, Harbor Beach – Seaside, or Rapson – Wyatt #2 120kV lines.Posting Date:12/11/2015MISO Ticket Number:1-09610058KV:345kVFrom Station:KilgoreTo Station:LeeEquipment Name:Kilgore – Lee 120 kV LinePlanned Start Date/Time:12/07/2015 1330 EDTPlanned End Date/Time:12/11/2015 1400 EDTOutage Type:PlannedComments:With the Greenwood – Kilgore line out of service and the contingency loss of the Greenwood Transformer 301, the System Service 61 transformer at Greenwood will no longer have a power source that is capable of supporting and properly shutting down the Greenwood MTG 1. Therefore Greenwood MTG 1 must be made “unavailable”. The Greenwood peakers can run un-restricted for the duration of this outage.Posting Date:4/15/2015MISO Ticket Number:1-07594018KV:345kVFrom Station:GreenwoodTo Station:GreenwoodEquipment Name:Greenwood Transformer 301Planned Start Date/Time:04/18/2015 0700 EDTPlanned End Date/Time:04/19/2015 1600 EDTOutage Type:PlannedComments:The combined output of Michigan Wind I and II will be restricted to 50 MW to prevent any post-contingent overloads on the Sandusky 120/40kV Transformer and 40kV tie lines out of Sandusky. Posting Date:3/2/2015MISO Ticket Number:1-07244968KV:120 KVFrom Station:ArrowheadTo Station:Bad AxeEquipment Name:Arrowhead - Bad Axe 120kV Planned Start Date/Time:3/03/2015 0700 ESTPlanned End Date/Time:3/03/2015 1830 ESTOutage Type:PlannedComments:The combined output of Harvest Wind I and II will be restricted to 70 MW to prevent any post-contingent overloads on the Arrowhead 120/40kV Transformer and 40kV tie lines out of Arrowhead. Posting Date:1/5/2015MISO Ticket Number:1-06921575KV:120 KVFrom Station:Bad Axe Bus 102To Station:Equipment Name:Bad Axe Bus 102 120kV Planned Start Date/Time:1/08/2015 0630 ESTPlanned End Date/Time:1/08/2015 1630 ESTOutage Type:PlannedComments:The combined output of Harvest Wind I and II will be restricted to 70 MW to prevent any post-contingent overloads on the Arrowhead 120/40kV Transformer and 40kV tie lines out of Arrowhead. Posting Date:12/30/2014MISO Ticket Number:N/AKV:120 KVFrom Station:LeeTo Station:SanduskyEquipment Name:Lee - Sandusky 120kV Planned Start Date/Time:12/31/2014 0151 ESTPlanned End Date/Time:4/15/2015 1530 ESTOutage Type:PlannedComments:There are no restrictions to Michigan Wind One and Two PRE-contingent. The combined output of Michigan Wind One and Two will be restricted to 50MW when the Sandusky 120/40kV Transformer must be placed back in service. The restriction will lift once the Sandusky Transformer can be re-opened. Posting Date:12/5/2014MISO Ticket Number:1-06729570KV:120 KVFrom Station:RemerTo Station:St. ClairEquipment Name:Remer – St. Clair #2 120kV line Planned Start Date/Time:12/08/2014 0630 ESTPlanned End Date/Time:12/09/2014 1830 ESTOutage Type:PlannedComments:Dean Units GT-1 and GT-2 must be unavailable for the duration of this outage.Posting Date:11/26/2014MISO Ticket Number:1-06721583KV:120 KVFrom Station:ArrowheadTo Station:Cosmo TapEquipment Name:Arrowhead – Bad Axe 120kV Planned Start Date/Time:12/02/2014 0700 ESTPlanned End Date/Time:12/06/2014 1730 ESTOutage Type:PlannedComments:The combined output of Harvest Wind I and II will be restricted to 85MW to prevent the overload of several 40kV tie lines into the Arrowhead substation. Posting Date:10/03/2014MISO Ticket Number:1-06424528KV:120 KVFrom Station:MindenTo Station:RapsonEquipment Name:Minden – Rapson 120kV Planned Start Date/Time:10/06/2014 0830 ESTPlanned End Date/Time:10/10/2014 1400 ESTOutage Type:PlannedComments:The output of the Sigel Wind Park must be restricted to 40 MW gross output for the duration of this outage, to prevent Tie 5611 from exceeding its emergency rating, for the contingency loss of Rapson – Seaside, Harbor Beach – Seaside, or Rapson – Wyatt #2 120kV lines.Posting Date:8/15/2014MISO Ticket Number:1-05910492, 1-06194058KV:120 KVFrom Station:MindenTo Station:RapsonEquipment Name:Minden – Rapson 120kV Planned Start Date/Time:8/18/2014 0800 ESTPlanned End Date/Time:8/24/2014 1700 ESTOutage Type:PlannedComments:The output of the Sigel Wind Park must be restricted to 40 MW gross output for the duration of this outage, to prevent Tie 5611 from exceeding its emergency rating, for the contingency loss of Rapson – Seaside, Harbor Beach – Seaside, or Rapson – Wyatt #2 120kV lines.Posting Date:6/20/2014MISO Ticket Number:1-05620671KV:120 KVFrom Station:SeasideTo Station:RapsonEquipment Name:Rapson - Seaside 120kV Planned Start Date/Time:6/11/2014 0630 ESTPlanned End Date/Time:6/24/2014 1700 ESTOutage Type:PlannedComments:The output of the Sigel Wind Park must be restricted to 45 MW gross output for the duration of this outage, to prevent Tie 5611 from exceeding its emergency rating, for the contingency loss of the Minden – Rapson line.Posting Date:6/10/2014MISO Ticket Number:1-05620671KV:120 KVFrom Station:SeasideTo Station:RapsonEquipment Name:Rapson - Seaside 120kV Planned Start Date/Time:6/11/2014 0630 ESTPlanned End Date/Time:6/24/2014 1700 ESTOutage Type:PlannedComments:The output of the Sigel Wind Park must be restricted to 40 MW gross output for the duration of this outage, to prevent Tie 5611 from exceeding its emergency rating, for the contingency loss of the Minden – Rapson line.Posting Date:5/23/2014MISO Ticket Number:1-05597918, 1-05597919KV:120 KVFrom Station:MindenTo Station:RapsonEquipment Name:Minden - Rapson 120kV Planned Start Date/Time:5/29/2014 0800 ESTPlanned End Date/Time:6/10/2014 1700 ESTOutage Type:PlannedComments:The output of the Sigel Wind Park must be restricted to 40 MW gross output for the duration of this outage, to prevent Tie 5611 from exceeding its emergency rating, for the contingency loss of Rapson – Seaside, Harbor Beach – Seaside, or Rapson – Wyatt #1 120kV lines.Posting Date:4/23/2014MISO Ticket Number:1-05227240KV:120 KVFrom Station:KilgoreTo Station:LeeEquipment Name:Kilgore – Lee 120kV Planned Start Date/Time:5/17/2014 0700 ESTPlanned End Date/Time:5/19/2014 1900 ESTOutage Type:PlannedComments:Greenwood MTG 1 must be offline for the duration of this outage.A condition of operation of any condensing steam unit, including Greenwood, is the unit must have two feeds from outside the plant capable of supporting the plant internal electrical load. This is necessary so that, in the event of loss of one of the feeds, there is an immediate availability of the second feed in order to safely shutdown the unit. Greenwood MTG 1 must not be available for operation, unless outside plant power is available to System Service 61 transformer via both Transformer 301 and the Greenwood-Kilgore line. These are the only two sources individually capable of supporting operation and a proper shutdown of Greenwood. Therefore Greenwood MTG 1 must be made “unavailable”. The Greenwood peakers can run un-restricted for the duration of this outage.Posting Date:4/23/2014MISO Ticket Number:1-05014250KV:345 KVFrom Station:Belle RiverTo Station:Greenwood – PontiacEquipment Name:Belle River – Greenwood - PontiacPlanned Start Date/Time:2/26/2014 0600 ESTPlanned End Date/Time:5/16/2014 2000 ESTOutage Type:PlannedComments:For the duration of this outage, because the entire 345kV Greenwood yard is out of service, there is no outlet for any generation at Greenwood. This includes both Greenwood MTG 1 and Greenwood Peakers CTG 11-1, 11-2, and 12-1. Posting Date:3/27/2014MISO Ticket Number:1-05014250KV:345 KVFrom Station:Belle RiverTo Station:Greenwood – PontiacEquipment Name:Belle River – Greenwood - PontiacPlanned Start Date/Time:2/26/2014 0600 ESTPlanned End Date/Time:5/05/2014 2000 ESTOutage Type:PlannedComments:Greenwood PeakersWhen Belle River-Greenwood-Pontiac line is open, Greenwood peakers CTG 11-1, 11-2 and 12-1 can run. The total output (all three peakers) must be below 75 MW. Above 75 MW, for the loss of Greenwood-Kilgore line, Bennett Transformer 102 exceeds its tripping limit.Other ConsiderationsIt is recommended to reschedule the outage if Greenwood generation is expected to be online at any time during the outage due to the following reasons:A condition of operation of any condensing steam unit, including Greenwood, is the unit must have two feeds from outside the plant capable of supporting the plant internal electrical load. This is necessary so that, in the event of loss of one of the feeds, there is an immediate availability of the second feed in order to safely shutdown the unit.Greenwood MTG 1 must not be available for operation, unless outside plant power is available to System Service 61 transformer via both Transformer 301 and the Greenwood-Kilgore line. These are the only two sources individually capable of supporting operation and a proper shutdown of Greenwood. If Greenwood-Bennett is the only power source available, it is not capable of starting any of the required large motors at Greenwood to start the plant. It is not capable of supporting the plant auxiliary loads while MTG 1 is already operating nor is it capable of supporting the safe shutdown of the plant. ?It can be used to maintain lights, ventilation, etc. in the plant, when the plant is already in a safe shutdown condition.Posting Date:1/15/2014MISO Ticket Number:1-04793979KV:345 KVFrom Station:Belle RiverTo Station:Greenwood – PontiacEquipment Name:Belle River – Greenwood - PontiacPlanned Start Date/Time:1/21/2014 0600 ESTPlanned End Date/Time:3/29/2014 1900 ESTOutage Type:PlannedComments:Greenwood PeakersWhen Belle River-Greenwood-Pontiac line is open, Greenwood peakers CTG 11-1, 11-2 and 12-1 can run. The total output (all three peakers) must be below 75 MW. Above 75 MW, for the loss of Greenwood-Kilgore line, Bennett Transformer 102 exceeds its tripping limit.Other ConsiderationsIt is recommended to reschedule the outage if Greenwood generation is expected to be online at any time during the outage due to the following reasons:A condition of operation of any condensing steam unit, including Greenwood, is the unit must have two feeds from outside the plant capable of supporting the plant internal electrical load. This is necessary so that, in the event of loss of one of the feeds, there is an immediate availability of the second feed in order to safely shutdown the unit.Greenwood MTG 1 must not be available for operation, unless outside plant power is available to System Service 61 transformer via both Transformer 301 and the Greenwood-Kilgore line. These are the only two sources individually capable of supporting operation and a proper shutdown of Greenwood. If Greenwood-Bennett is the only power source available, it is not capable of starting any of the required large motors at Greenwood to start the plant. It is not capable of supporting the plant auxiliary loads while MTG 1 is already operating nor is it capable of supporting the safe shutdown of the plant. ?It can be used to maintain lights, ventilation, etc. in the plant, when the plant is already in a safe shutdown condition.Posting Date:11/27/2013MISO Ticket Number:1-04620813KV:120 KVFrom Station:CusterTo Station:WhitingEquipment Name:Custer - Whiting 120kV LinePlanned Start Date/Time:12/2/2013 0700 ESTPlanned End Date/Time:12/3/2013 1530 ESTOutage Type:PlannedComments:This outage may require the use of the Fermi Peakers.In order to provide the necessary voltage support at the Fermi PP 120 kV station, all Fermi PP Peaking Units (11-3, and 11-4) should be available and used as necessary both pre and post-contingency.Posting Date:11/26/2013MISO Ticket Number:1- 04650477KV:120 KVFrom Station:St. ClairTo Station:Equipment Name:Bus 111Planned Start Date/Time:12/2/2013 06:30 EDTPlanned End Date/Time:12/13/2013 17:30 EDTOutage Type:PlannedComments:During this outage the output of St. Clair Units #2 and #3, CTG 11, and DG 12-1 and 12-2 will need to be restricted to a total of 175 MW to prevent overloads on the St. Clair Reactor 102 for loss of the St. Clair – Jacob – Victor 120kV path.Posting Date:11/8/2013MISO Ticket Number:1- 04585539KV:120 KVFrom Station:LeppekTo Station:WyattEquipment Name:Leppek – Wyatt 120kV LinePlanned Start Date/Time:12/2/2013 0630 ESTPlanned End Date/Time:12/31/2013 2030 ESTOutage Type:PlannedComments:Michigan Wind One & Two will be restricted to 50 MW to prevent the overloads on Sandusky Transformer 101 and 40kV lines in the area for the loss of the Lee - Sandusky 120kV line.Posting Date:11/7/2013MISO Ticket Number:2-00460498KV:120 KVFrom Station:Enrico Fermi PPTo Station:Seville 1Equipment Name:Fermi Breaker GKPlanned Start Date/Time:11/18/2013 0700 ESTPlanned End Date/Time:11/22/2013 1530 ESTOutage Type:OpportunityComments:This outage may require the use of the Fermi Peakers.In order to provide the necessary voltage support at the Fermi PP 120 kV station, all Fermi PP Peaking Units (11-1, 11-2, 11-3, and 11-4) should be available and used as necessary both pre and post-contingency.Posting Date:10/24/2013MISO Ticket Number:1-04440782KV:120 KVFrom Station:LeppekTo Station:WyattEquipment Name:Leppek – Wyatt 120kV LinePlanned Start Date/Time:10/29/2013 0630 ESTPlanned End Date/Time:11/2/2013 2030 ESTOutage Type:PlannedComments:Michigan Wind One & Two will be restricted to 50 MW to prevent the overloads on Sandusky Transformer 101 and 40kV lines in the area for the loss of the Lee - Sandusky 120kV line.Posting Date:10/16/2013Outage #:1-04373594KV:120kVFrom Station:MonroeTo Station:Equipment Name:Monroe Bues 102 and 103 including Transformer 304Planned Start Date/Time:10/21/13Planned End Date/Time:11/1/13Outage Type:PlannedComments:In order to provide the necessary voltage support and delta V requirements at the Fermi PP 120 kV station, all Fermi PP Peaking Units (11-2, 11-3, and 11-4) should be available and used as necessary both pre and post-contingency.. Real-time security/contingency analysis should be used in determining if/how many peakers should be utilized.Fermi PP Peaking Unit 11-1 is reserved for emergency black-start purpose and can be dispatched only at the discretion of the plant.At least 2 units at Whiting must be available and used as necessary.Posting Date:10/9/2013MISO Ticket Number:1-04366697KV:120 KVFrom Station:RadkaTo Station:Equipment Name:Radka 120kV Bus 101Planned Start Date/Time:10/17/2013 0700 ESTPlanned End Date/Time:10/19/2013 1530 ESTOutage Type:PlannedComments:This outage may require the use of the Fermi Peakers.In order to provide the necessary voltage support at the Fermi PP 120 kV station, all Fermi PP Peaking Units (11-1, 11-2, 11-3, and 11-4) should be available and used as necessary both pre and post-contingency.Posting Date:10/1/2013MISO Ticket Number:2-00377098KV:345 KVFrom Station:Belle RiverTo Station:Greenwood – PontiacEquipment Name:Belle River – Greenwood - PontiacPlanned Start Date/Time:10/7/2013 0700 ESTPlanned End Date/Time:10/25/2013 2100 ESTOutage Type:PlannedComments:Greenwood Peakers on and Michigan Wind OffWhen Belle River-Greenwood-Pontiac line is open, Greenwood peakers CTG 11-1, 11-2 and 12-1 can run. The total output (all three peakers) must be below 75 MW. Above 75 MW, for the loss of Greenwood-Kilgore line, Benet Transformer 102 exceeds its tripping limit.Greenwood Peakers on and Michigan Wind OnThe loss of Leppek-Wyatt line will overload the 40kV lines in the area. Therefore, the combined output of Greenwood peakers and Michigan Wind is restricted to 75 MW gross output for the duration of this outage.Other ConsiderationsIt is recommended to reschedule the outage if Greenwood generation is expected to be online at any time during the outage due to the following reasons:A condition of operation of any condensing steam unit, including Greenwood, is the unit must have two feeds from outside the plant capable of supporting the plant internal electrical load. This is necessary so that, in the event of loss of one of the feeds, there is an immediate availability of the second feed in order to safely shutdown the unit.Greenwood MTG 1 must not be available for operation, unless outside plant power is available to System Service 61 transformer via both Transformer 301 and the Greenwood-Kilgore line. These are the only two sources individually capable of supporting operation and a proper shutdown of Greenwood. If Greenwood-Bennett is the only power source available, it is not capable of starting any of the required large motors at Greenwood to start the plant. It is not capable of supporting the plant auxiliary loads while MTG 1 is already operating nor is it capable of supporting the safe shutdown of the plant. ?It can be used to maintain lights, ventilation, etc. in the plant, when the plant is already in a safe shutdown condition.Posting Date:9/19/2013MISO Ticket Number:1-04195056KV:120 KVFrom Station:RapsonTo Station:WyattEquipment Name:Rapson – Wyatt #2 120kV linePlanned Start Date/Time:9/22/2013 0630 ESTPlanned End Date/Time:9/27/2013 0830 ESTOutage Type:PlannedComments:With Harbor Beach on, the combined output of Harbor Beach and Sigel Wind Park will be restricted to 45 MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating.Posting Date:9/4/2013MISO Ticket Number:1-04184052KV:120 KVFrom Station:AtlantaTo Station:TuscolaEquipment Name:Atlanta - Tuscola 120kV linePlanned Start Date/Time:9/17/2013 0630 ESTPlanned End Date/Time:9/17/2013 2030 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for Thumb Load levels above 450MW (ITC load 9000MW).Posting Date:8/29/2013MISO Ticket Number:1-04195821KV:120 KVFrom Station:ArrowheadTo Station:TuscolaEquipment Name:Arrowhead - Tuscola 120kV linePlanned Start Date/Time:9/22/2013 0700 ESTPlanned End Date/Time:9/22/2013 1200 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 must run with an output of 45 MW (gross). The combined output of Harbor Beach, Michigan Wind 1 and 2, Harvest Wind, and Sigel must also be restricted to 200MW for the duration of this outage. Posting Date:8/29/2013MISO Ticket Number:1-04195823KV:120 KVFrom Station:LeppekTo Station:WyattEquipment Name:Leppek – Wyatt 120kV linePlanned Start Date/Time:9/22/2013 1200 ESTPlanned End Date/Time:9/22/2013 1630 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 must run with an output of 45 MW (gross). Michigan Wind 1 and 2 will be restricted to 75MWfor the duration of this outage. Posting Date:8/22/2013MISO Ticket Number:2-00380396 AND 2-00380899KV:120 KVFrom Station:To Station:Equipment Name:Minden – Rapson AND Rapson – Wyatt #1 120kV linesPlanned Start Date/Time:9/3/2013 0630 ESTPlanned End Date/Time:9/21/2013 2030 ESTOutage Type:PlannedComments:With Harbor Beach on, the combined output of Harbor Beach and Sigel Wind Park will be restricted to 45 MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating.Posting Date:8/9/2013MISO Ticket Number:N/AKV:N/AFrom Station:N/ATo Station:N/AEquipment Name:N/APlanned Start Date/Time:8/9/2013 Planned End Date/Time:N/AOutage Type:N/AComments:Due to the pending retirement of Harbor Beach generation ITC is providing the following information to ensure availability of generation is maintained to provide for reliable operation of the transmission system in the Thumb area throughout the summer and fall timeframes.? The anticipated Harbor Beach dispatch for voltage support, capacity needs and scheduled transmission outages through the fall of 2013 are provided below.? Note that this information does not include local dispatch needs due to 40 kV distribution outages in the area.? ?Harbor Beach Run Requirement due to scheduled transmission facility outages:??August 2013There are no scheduled outages that will require Harbor Beach to run. ?September 2013There are 2 outages planned for the month of September that will require Harbor Beach to run.Lepek – Wyatt 120kV line: 1 day duration (9/10/2013)Arrowhead – Tuscola 120kV line: 1 day duration (9/12/2013)It is currently anticipated that beyond October 1, 2013 Harbor Beach will not be required as a must run unit for scheduled transmission outages. ?The two Bauer – Rapson 345kV lines and three 345/120kV Rapson Transformers are scheduled to be placed into service on this date.? This date may change and is dependent on construction progress; weather forecast; unplanned generation, transmission, and distribution outages; and obtaining the necessary outages cited above.? ITC will review and update this posting periodically as well as when information resulting in material changes become available.?Posting Date:7/17/2013MISO Ticket Number:1-04015240KV:120 KVFrom Station:Hunters CreekTo Station:Equipment Name:Hunters Creek Bus 102Planned Start Date/Time:7/26/2013 0630 ESTPlanned End Date/Time:7/26/2013 1630 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for Thumb Load levels above 450MW (ITC load 9000MW).Posting Date:7/11/2013MISO Ticket Number:1-03949486KV:120 KVFrom Station:Hunters CreekTo Station:Equipment Name:Hunters Creek Bus 101Planned Start Date/Time:7/24/2013 0700 ESTPlanned End Date/Time:7/25/2013 1530 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for Thumb Load levels above 450MW (ITC load 9000MW).Posting Date:6/17/2013MISO Ticket Number:1-0905103KV:120 KVFrom Station:TuscolaTo Station:Equipment Name:Tuscola Section Breaker HGPlanned Start Date/Time:7/22/2013 0630 ESTPlanned End Date/Time:7/23/2013 1630 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for all Thumb load levels.Posting Date:7/17/2013MISO Ticket Number:1-03994845KV:120 KVFrom Station:ArrowheadTo Station:Bad AxeEquipment Name:Arrowhead – Bad Axe 120kV linePlanned Start Date/Time:7/20/2013 0630 ESTPlanned End Date/Time:7/21/2013 1930 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for all Thumb load levels.Harvest Wind I and II will NOT be able to run for the duration of this outage. The combined output of Harbor Beach, Sigel, and Michigan Wind I and II will be restricted to 110MW for the duration of this outage. Posting Date:6/20/2013MISO Ticket Number:1-03875969KV:120 KVFrom Station:Hunters CreekTo Station:StratfordEquipment Name:Hunters Creek – Stratford 120kV linePlanned Start Date/Time:6/26/2013 0700 ESTPlanned End Date/Time:6/26/2013 1530 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for Thumb Load levels above 450MW (ITC load 9000MW).Posting Date:6/7/2013MISO Ticket Number:1-03850198KV:120 KVFrom Station:TuscolaTo Station:Equipment Name:Tuscola Section Breaker HGPlanned Start Date/Time:6/19/2013 0700 ESTPlanned End Date/Time:6/19/2013 1530 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for all Thumb load levels.Posting Date:6/7/2013MISO Ticket Number:1-03821419KV:120 KVFrom Station:RapsonTo Station:Equipment Name:Rapson Bus 104 + Rapson – Wyatt #2 120kV linePlanned Start Date/Time:6/17/2013 0630 ESTPlanned End Date/Time:6/19/2013 1700 ESTOutage Type:PlannedComments:With Harbor Beach on, the combined output of Harbor Beach and Sigel Wind Park will be restricted to 45 MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating.This outage may require the use of Harbor Beach peakers if the Rapson – Wyatt #1 120kV line is lost.Posting Date:6/7/2013MISO Ticket Number:1-03818661KV:120 KVFrom Station:RapsonTo Station:Equipment Name:Rapson Bus 102 + Rapson – Wyatt #1 120kV linePlanned Start Date/Time:6/10/2013 0630 ESTPlanned End Date/Time:6/12/2013 1700 ESTOutage Type:PlannedComments:With Harbor Beach on, the combined output of Harbor Beach and Sigel Wind Park will be restricted to 45 MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating.This outage may require the use of Harbor Beach peakers if the Rapson – Wyatt #2 120kV line is lost.Posting Date:5/27/2013MISO Ticket Number:1-03696215KV:120 KVFrom Station:ArrowheadTo Station:TuscolaEquipment Name:Arrowhead – Tuscola 120kV linePlanned Start Date/Time:6/5/2013 0700 ESTPlanned End Date/Time:6/7/2013 1530 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for all Thumb load levels for the entire duration of the outage.The maximum combined output of Harbor Beach Unit 1, and all thumb wind farms (Michigan Wind 1, Michigan Wind 2, Harvest Wind and Sigel) must be restricted to 200 MW for the duration of this outage.Thumb Load Min HBHPP Output (Gross) Max Combined Wind Farm OutputUp to 400 MW 45 MW155 MW 400 - 430 MW 55 MW145 MW 430 - 450 MW 70 MW130 MW 450 - 475 MW 85 MW115 MWPosting Date:5/27/2013MISO Ticket Number:1-03798033KV:120 KVFrom Station:RapsonTo Station:WyattEquipment Name:Rapson – Wyatt #2 120kV linePlanned Start Date/Time:6/4/2013 0700 ESTPlanned End Date/Time:6/4/2013 1630 ESTOutage Type:PlannedComments:With Harbor Beach on, the combined output of Harbor Beach and Sigel Wind Park will be restricted to 45 MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating.This outage may require the use of Harbor Beach peakers if the Rapson – Wyatt #1 120kV line is lost.Posting Date:5/22/2013MISO Ticket Number:N/AKV:N/AFrom Station:N/ATo Station:N/AEquipment Name:N/APlanned Start Date/Time:5/22/2013 Planned End Date/Time:N/AOutage Type:N/AComments:Due to the pending retirement of Harbor Beach generation ITC is providing the following information to ensure availability of generation is maintained to provide for reliable operation of the transmission system in the Thumb area throughout the summer and fall timeframes.? The anticipated Harbor Beach dispatch for voltage support, capacity needs and scheduled transmission outages through the fall of 2013 are provided below.? Note that this information does not include local dispatch needs due to 40 kV distribution outages in the area.? High Load Harbor Beach RequirementIf the Thumb area load exceeds 500MW on any given day, HB#1 will be required to run at a output between of 40 – 90MW.? As a reference Harbor Beach was required to run a total of 29 days throughout the summer of 2012 due to the Thumb area load exceeding the 500 MW load level during summer months. ?June: 7 daysJuly: 11 daysAugust: 11 days?Harbor Beach Run Requirement due to scheduled transmission facility outages?MayThere are no scheduled outages that will require Harbor Beach to run. ?June 2013There is one outage scheduled in the month of June that will require Harbor Beach to run for 4 days????????? Arrowhead – Tuscola 120kV: 4 Day Duration ??July 2013There is one outage planned for the month of July that will require Harbor Beach to run for 10 days:????????? Arrowhead – Cosmo Tap – Bad Axe 120kV: 10 Day Duration ???August 2013There are no scheduled outages that will require Harbor Beach to run. ?September 2013There are 2 outages planned for the month of September that will require Harbor Beach to run.Atlanta – Karn - Thetford line: 7 Day DurationTuscola Breaker GW (Tuscola – Atlanta line): 21 Day DurationOctober 2013There are no scheduled outages that will require Harbor Beach to run.November 2013There is 1 outage planned for the month of November that will NOT require Harbor Beach to run if Bauer-Rapson lines and Rapson Transformers placed in service as currently scheduled:???????? Bauer – Rapson #1 line: 7 Day Duration???It is currently anticipated that beyond November 1, 2013 Harbor Beach will not be required as a must run unit for scheduled transmission outages.? This date may change and is dependent on construction progress; weather forecast; unplanned generation, transmission, and distribution outages; and obtaining the necessary outages cited above.? ITC will review and update this posting periodically as well as when information resulting in material changes become available.?Posting Date:5/17/2013MISO Ticket Number:1-03798032KV:120 KVFrom Station:CusterTo Station:Equipment Name:Custer HD 120kV BreakerPlanned Start Date/Time:5/23/2013 0700 ESTPlanned End Date/Time:5/24/013 1530 ESTOutage Type:PlannedComments:This outage may require the use of the Fermi Peakers.In order to provide the necessary voltage support at the Fermi PP 120 kV station, all Fermi PP Peaking Units (11-2, 11-3, and 11-4) should be available and used as necessary both pre and post-contingency.Posting Date:5/15/2013MISO Ticket Number:1-03743127KV:120 KVFrom Station:BrownstownTo Station:BerlinEquipment Name:Brownstown – Berlin 120kV linePlanned Start Date/Time:5/21/2013 0700 ESTPlanned End Date/Time:5/22/013 1530 ESTOutage Type:PlannedComments:This outage may require the use of the Fermi Peakers.In order to provide the necessary voltage support at the Fermi PP 120 kV station, all Fermi PP Peaking Units (11-2, 11-3, and 11-4) should be available and used as necessary both pre and post-contingency.Posting Date:5/15/2013MISO Ticket Number:1-03755232KV:120 KVFrom Station:FermiTo Station:Equipment Name:Fermi Bus 102 120kVPlanned Start Date/Time:5/18/2013 0530 ESTPlanned End Date/Time:5/19/013 1830 ESTOutage Type:PlannedComments:Loss of the Custer – Monroe 120kV line will force the Whiting – Custer 120kV line to feed the entire load at Custer, Shoal, and Fermi. For this reason, Whiting should run at with a minimum output of 120MW for the duration of this outage.Posting Date:5/9/2013MISO Ticket Number:1-03793830KV:120 KVFrom Station:FermiTo Station:Swan CreekEquipment Name:Fermi – Swan Creek120kV linePlanned Start Date/Time:5/15/2013 0530 ESTPlanned End Date/Time:5/16/2013 1830 ESTOutage Type:PlannedComments:This outage may require the use of the Fermi Peakers.In order to provide the necessary voltage support at the Fermi PP 120 kV station, all Fermi PP Peaking Units (11-1, 11-2, 11-3, and 11-4) should be available and used as necessary both pre and post-contingency.Posting Date:5/9/2013MISO Ticket Number:1-03793829KV:120 KVFrom Station:FermiTo Station:RadkaEquipment Name:Fermi - Radka 120kV linePlanned Start Date/Time:5/13/2013 0530 ESTPlanned End Date/Time:5/14/2013 1830 ESTOutage Type:PlannedComments:This outage may require the use of the Fermi Peakers.In order to provide the necessary voltage support at the Fermi PP 120 kV station, all Fermi PP Peaking Units (11-1, 11-2, 11-3, and 11-4) should be available and used as necessary both pre and post-contingency.Posting Date:4/29/2013MISO Ticket Number:1-03705907KV:120 KVFrom Station:MindenTo Station:RapsonEquipment Name:Minden - Rapson 120kV linePlanned Start Date/Time:5/6/2013 0700 ESTPlanned End Date/Time:5/7/2013 1530 ESTOutage Type:PlannedComments:This outage may require the use of Harbor Beach if the Rapson – Seaside 120kV line is lost.With Harbor Beach on, the combined output of Harbor Beach and Sigel Wind Park will be restricted to 45 MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating. Posting Date:4/29/2013MISO Ticket Number:1-03729592KV:120 KVFrom Station:Harbor BeachTo Station:MindenEquipment Name:Harbor Beach - Minden 120kV linePlanned Start Date/Time:5/8/2013 0700 ESTPlanned End Date/Time:5/9/2013 1930 ESTOutage Type:PlannedComments:This outage may require the use of Harbor Beach if the Rapson – Seaside 120kV line is lost.With Harbor Beach on, the combined output of Harbor Beach and Sigel Wind Park will be restricted to 45 MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating. Posting Date:4/23/2013MISO Ticket Number:1-03595627KV:345 KVFrom Station:Belle RiverTo Station:Greenwood – PontiacEquipment Name:Belle River – Greenwood - PontiacPlanned Start Date/Time:5/7/2013 0630 ESTPlanned End Date/Time:5/17/2013 1930 ESTOutage Type:PlannedComments:At this point in time the combined output of Harbor Beach and Sigel Wind must not exceed 100MW at any time. This posting states the guidelines for Harbor Beach if Sigel Wind is not producing any MW. However this number may be adjusted as long as the combined output of both units meets the minimum generation requirement.Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for all Thumb load levels over 400 MW when the Belle River-Greenwood-Pontiac line is outaged. It is recommended to reschedule the outage if Harbor Beach Unit 1 is unavailable and the thumb load is expected to exceed 400 MW.The contingency loss of Arrowhead-Tuscola 120kV line may result in extremely low voltages around the Bad Axe and Harbor Beach substations during the outage of the Belle River-Greenwood-Pontiac 345kV line. Therefore Harbor Beach Unit 1 must run pre-contingency, as indicated in the table below, in order to prevent low post-contingent voltages. Thumb Load Min HBHPP Output (Gross) 400MW - 425 MW 45 MW 425 MW – 450 MW 70 MWThere is no restriction on the maximum output.A condition of operation of any condensing steam unit, including Greenwood, is the unit must have two feeds from outside the plant capable of supporting the plant internal electrical load. This is necessary so that, in the event of loss of one of the feeds, there is an immediate availability of the second feed in order to safely shutdown the unit.Greenwood MTG 1 must not be available for operation, unless outside plant power is available to System Service 61 transformer via both Transformer 301 and the Greenwood-Kilgore line. These are the only two sources individually capable of supporting operation and a proper shutdown of Greenwood. If Greenwood-Bennett is the only power source available, it is not capable of starting any of the required large motors at Greenwood to start the plant. It is not capable of supporting the plant auxiliary loads while MTG 1 is already operating nor is it capable of supporting the safe shutdown of the plant. It can be used to maintain lights, ventilation, etc. in the plant, when the plant is already in a safe shutdown condition. When Belle River-Greenwood-Pontiac line is open, Greenwood peakers CTG 11-1, 11-2 and 12-1 can run. The total output (all three peakers) must be below 75 MW. Above 75 MW, for the loss of Greenwood-Kilgore line, Benet Transformer 102 exceeds its tripping limit.Posting Date:3/13/2013MISO Ticket Number:1-03574043KV:120 KVFrom Station:River Rogue Power PlantTo Station:Equipment Name:River Rogue Power Plant Bus 101 and 111Planned Start Date/Time:3/25/2013 0630 ESTPlanned End Date/Time:4/26/2013 1730 ESTOutage Type:PlannedComments:River Rogue Generator 1 will not be able to run for the duration of this outage. Posting Date:3/12/2013MISO Ticket Number:2-00314156KV:120 KVFrom Station:LeeTo Station:SanduskyEquipment Name:Lee – Sandusky 120kV linePlanned Start Date/Time:3/18/2013 0700 ESTPlanned End Date/Time:3/22/2013 1830 ESTOutage Type:PlannedComments:Harbor Beach Unit 1 is required to run with a minimum output of 45 MW (gross) for the entire duration of this outage. It is recommended to reschedule the outage if Harbor Beach is unavailable or expected to offline at any time during the outage. It is also recommended to reschedule the outage if the Thumb Load is expected to exceed 450 MW at any time during the outage. Harbor Beach Generator 1 must run as mentioned in the table below for all Thumb load levels: Thumb Load Minimum HBHPP Output Up to 350 MW 45 MW 350-375 MW55 MW 375-400 MW 65 MW 400-430 MW75 MW 430-450 MW 85 MW To prevent 40kV distribution circuit overloads the combined output from Harbor Beach, Sigel, Michigan Wind One/Two and Harvest One/Two must be restricted to 215 MW. Michigan Wind One & Two will be restricted to 80 MW to prevent overload on Sandusky Transformer 101 for the loss of Wyatt – Lepek 120kV line. Posting Date:3/5/2013MISO Ticket Number:2-00289856KV:120 KVFrom Station:RapsonTo Station:WyattEquipment Name:Rapson – Wyatt #1 120kV linePlanned Start Date/Time:3/12/2013 0700 ESTPlanned End Date/Time:3/12/2013 1530 ESTOutage Type:PlannedComments:This outage may require the use of Harbor Beach if the Rapson – Wyatt #2 120kV line is lost.With Harbor Beach on, the combined output of Harbor Beach and Sigel Wind Park will be restricted to 60 MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating. Posting Date:1/19/2013MISO Ticket Number:1-03544416KV:120 KVFrom Station:SeasideTo Station:WyattEquipment Name:Seaside – Wyatt 120kV linePlanned Start Date/Time:2/25/2013 0530 ESTPlanned End Date/Time:3/8/2013 1830 ESTOutage Type:PlannedComments:This outage may require the use of Harbor Beach if the Harbor Beach – Minden 120kV line is lost.With Harbor Beach on, the combined output of Harbor Beach and Sigel Wind Park will be restricted to 45 MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating. Posting Date:1/14/2013MISO Ticket Number:1-03477399KV:345 KVFrom Station:Belle RiverTo Station:Greenwood – PontiacEquipment Name:Belle River – Greenwood - PontiacPlanned Start Date/Time:2/24/2013 0600 ESTPlanned End Date/Time:2/24/2013 1900 ESTOutage Type:PlannedComments:At this point in time the combined output of Harbor Beach and Sigel Wind must not exceed 100MW at any time. This posting states the guidelines for Harbor Beach if Sigel Wind is not producing any MW. However this number may be adjusted as long as the combined output of both units meets the minimum generation requirement.Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for all Thumb load levels under 300 MW when the Belle River-Greenwood-Pontiac line is outaged. It is recommended to reschedule the outage if Harbor Beach Unit 1 is unavailable and the thumb load is expected to exceed 300 MW.The contingency loss of Arrowhead-Tuscola 120kV line may result in extremely low voltages around the Bad Axe and Harbor Beach substations during the outage of the Belle River-Greenwood-Pontiac 345kV line. Therefore Harbor Beach Unit 1 must run pre-contingency, as indicated in the table below, in order to prevent low post-contingent voltages. Thumb Load Minimum Gross HBHPP Output Below 300 MW 45 MW 300 MW – 350 MW 55 MW 350 MW – 375 MW 70 MW 375 MW – 400 MW 80 MW 400 MW - 450 MW 90 MWThere is no restriction on the maximum output.A condition of operation of any condensing steam unit, including Greenwood, is the unit must have two feeds from outside the plant capable of supporting the plant internal electrical load. This is necessary so that, in the event of loss of one of the feeds, there is an immediate availability of the second feed in order to safely shutdown the unit.Greenwood MTG 1 must not be available for operation, unless outside plant power is available to System Service 61 transformer via both Transformer 301 and the Greenwood-Kilgore line. These are the only two sources individually capable of supporting operation and a proper shutdown of Greenwood. If Greenwood-Bennett is the only power source available, it is not capable of starting any of the required large motors at Greenwood to start the plant. It is not capable of supporting the plant auxiliary loads while MTG 1 is already operating nor is it capable of supporting the safe shutdown of the plant. It can be used to maintain lights, ventilation, etc. in the plant, when the plant is already in a safe shutdown condition. When Belle River-Greenwood-Pontiac line is open, Greenwood peakers CTG 11-1, 11-2 and 12-1 can run. The total output (all three peakers) must be below 75 MW. Above 75 MW, for the loss of Greenwood-Kilgore line, Benet Transformer 102 exceeds its tripping limit.There is no restriction on the maximum output.Posting Date:2/12/2013MISO Ticket Number:1-03530534KV:120 KVFrom Station:MindenTo Station:WyattEquipment Name:Minden – Wyatt 120kV linePlanned Start Date/Time:2/14/2013 0530 ESTPlanned End Date/Time:2/22/2013 1530 ESTOutage Type:PlannedComments:This outage will require the use of Harbor Beach if the Seaside – Wyatt 120kV line is lost.The combined output of Harbor Beach and Sigel Wind Park will be restricted to 50MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating. Posting Date:2/4/2013MISO Ticket Number:1-03458795KV:138 KVFrom Station:AtlantaTo Station:Karn - ThetfordEquipment Name:Atlanta – Karn – Thetford 138kV linePlanned Start Date/Time:2/6/2013 2000 ESTPlanned End Date/Time:2/23/2013 1830 ESTOutage Type:PlannedComments:With Harbor Beach unit 1 off and no wind generation, when the thumb load exceeds 450MW, the loss of Lee - Sandusky 120kV line can cause very low voltages in the thumb region. For this reason, Harbor Beach should run at with a minimum output of 40MW when the thumb load is expected to exceed 450MW. During the timeframe of the outage, the load of the thumb is about 6% of the total ITC load.Posting Date:1/18/2013MISO Ticket Number:1-03418965KV:120 KVFrom Station:SeasideTo Station:WyattEquipment Name:Seaside – Wyatt 120kV linePlanned Start Date/Time:1/29/2013 0630 ESTPlanned End Date/Time:2/6/2013 1830 ESTOutage Type:PlannedComments:This outage will require the use of Harbor Beach if the Harbor Beach – Minden 120kV line is lost.With Harbor Beach on, the combined output of Harbor Beach and Sigel Wind Park will be restricted to 50MW gross output for the duration of the outage. This will prevent Tie 5611 from exceeding its emergency rating. Posting Date:1/14/2013MISO Ticket Number:1-03390582KV:345 KVFrom Station:Belle RiverTo Station:Greenwood – PontiacEquipment Name:Belle River – Greenwood - PontiacPlanned Start Date/Time:1/26/2013 0700 ESTPlanned End Date/Time:1/29/2013 1900 ESTOutage Type:PlannedComments:At this point in time the combined output of Harbor Beach and Sigel Wind must not exceed 100MW at any time. This posting states the guidelines for Harbor Beach if Sigel Wind is not producing any MW. However this number may be adjusted as long as the combined output of both units meets the minimum generation requirement.Harbor Beach Unit 1 must run with a minimum output of 45 MW (gross) for all Thumb load levels under 300 MW when the Belle River-Greenwood-Pontiac line is outaged. It is recommended to reschedule the outage if Harbor Beach Unit 1 is unavailable and the thumb load is expected to exceed 300 MW.The contingency loss of Arrowhead-Tuscola 120kV line may result in extremely low voltages around the Bad Axe and Harbor Beach substations during the outage of the Belle River-Greenwood-Pontiac 345kV line. Therefore Harbor Beach Unit 1 must run pre-contingency, as indicated in the table below, in order to prevent low post-contingent voltages. Thumb Load Minimum Gross HBHPP Output Below 300 MW 45 MW 300 MW – 350 MW 55 MW 350 MW – 375 MW 70 MW 375 MW – 400 MW 80 MW 400 MW - 450 MW 90 MWThere is no restriction on the maximum output.A condition of operation of any condensing steam unit, including Greenwood, is the unit must have two feeds from outside the plant capable of supporting the plant internal electrical load. This is necessary so that, in the event of loss of one of the feeds, there is an immediate availability of the second feed in order to safely shutdown the unit.Greenwood MTG 1 must not be available for operation, unless outside plant power is available to System Service 61 transformer via both Transformer 301 and the Greenwood-Kilgore line. These are the only two sources individually capable of supporting operation and a proper shutdown of Greenwood. If Greenwood-Bennett is the only power source available, it is not capable of starting any of the required large motors at Greenwood to start the plant. It is not capable of supporting the plant auxiliary loads while MTG 1 is already operating nor is it capable of supporting the safe shutdown of the plant. It can be used to maintain lights, ventilation, etc. in the plant, when the plant is already in a safe shutdown condition. When Belle River-Greenwood-Pontiac line is open, Greenwood peakers CTG 11-1, 11-2 and 12-1 can run. The total output (all three peakers) must be below 75 MW. Above 75 MW, for the loss of Greenwood-Kilgore line, Benet Transformer 102 exceeds its tripping limit.There is no restriction on the maximum output.Posting Date:1/14/2013MISO Ticket Number:1-03375656KV:120 KVFrom Station:LeppekTo Station:WyattEquipment Name:Leppek – Wyatt 120kVPlanned Start Date/Time:1/23/2013 0700 ESTPlanned End Date/Time:12/25/2012 1830 ESTOutage Type:PlannedComments:At this point in time the combined output of Harbor Beach and Sigel Wind must not exceed 100MW at any time. This posting states the guidelines for Harbor Beach if Sigel Wind is not producing any MW. However this number may be adjusted as long as the combined output of both units meets the minimum generation requirement.Harbor Beach Unit 1 is required to run with a minimum output of 45 MW (gross) for the entire duration of this outage. It is recommended to reschedule the outage if Harbor Beach is unavailable or expected to offline at anytime during the outage. It is also recommended to reschedule the outage if the Thumb Load is expected to exceed 450 MW at anytime during the outage.Harbor Beach Generator 1 must run as mentioned in the table below for all Thumb load levels: Thumb Load Minimum HBHPP Output (Gross) Up to 350 MW 45 MW 350-375 MW 55 MW 375-400 MW 65 MW 400-430 MW 75 MW 430-450 MW 85 MW At Thumb loads above 450 MW, loss of Arrowhead-Tuscola can result in extremely low voltages and severe overloads on Tuscola XF 101 and several 40kV Tie lines. If the Thumb Load unexpectedly exceeds 450 MW during the outage, it is recommended to return Lee-Sandusky line back to service as soon as possible. The Thumb peakers can be turned ON for voltage support if necessary. Michigan Wind One & Two will be restricted to 85 MW to prevent overload on Sandusky TRF 101 for the loss of Lee - Sandusky 120kV line. Also, to prevent high voltages at Sandusky, DTE may fix the LTC on Sandusky XF 101 to the neutral position prior to the start of the outage. ................
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