Project overview - conversion from 69 kilovolts to 138 kilovolts
ATC converted about 73 miles of existing lines between Lakota Road and Quinnesec, Mich., from 69 kilovolts to 138 kilovolts. The upgraded lines were placed in service in March 2010.
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The electric transmission infrastructure serving northern Wisconsin and the western Upper Peninsula of Michigan needed reinforcement due to significant growth in the Rhinelander/Eagle River area, which resulted in an overloaded system vulnerable to interruptions and even blackouts under severe conditions. The lines to the east that connect northern Wisconsin and the Upper Peninsula were also among the most severely constrained in the ATC system, limiting our ability to move power in and out of the Upper Peninsula.
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PROJECT AT A GLANCE |
| Area benefited: |
Conover and Florence, Wis.; Iron River and Quinnesec, Mich.; improved reliability will benefit northern Wisconsin and the western areas of the Upper Peninsula |
| Line length: |
73 miles of existing transmission line |
| Voltage: |
Conover-Plains upgrade from 69-kilovolts to 138-kilovolts |
| End points: |
Conover Substation to Plains Substation in Quinnesec |
| Status of project: |
Construction began February 2008; placed in service March 2010 |
| Related project: |
Cranberry-Conover Project |
SCHEDULE |
| File construction application to PSC: |
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| Regulatory review and public comment: |
Winter 2005 |
| Receive PSC decision: |
Nov. 2006 |
| Begin construction: |
Jan. 2008
(Conover-Plains)
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| In-service date: |
March 2010
(Conover-Plains)
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Arrowhead-Weston