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of Commerce and Xcel Energy agreed to further extend the comment period by an additional 25 days so as to allow comment on Xcel Energy's noise assessment study.6 Eight comments were received before 4:30 p.m. on Tuesday, January 31 , 2012.' The Commission will issue an order on the application following a review of this Summary, the hearing transcripts and the filings submitted into the hearing record. Description of the Project The Project, as proposed by the Applicant, would replace the existing 69 kV Orono Substation with a new 115 kV Substation at the same location. The Project would connect the new substation to the existing Xcel Energy 115 kV transmission line through a new set of double-circuited 115 kV transmission lines. The Project, as proposed, would also remove approximately 1 ,030 feet of 115 kV transmission line and replace it with approximately 1,100 feet of new single circuit 115 kV transmission line. While not part of the Route Permit requested by Xcel Energy, approximately 400 feet of the existing Great River Energy 69 kV transmission line would be rerouted around the new Orono Substation.8 Xcel Energy proposes to use steel single-pole structures with spans of approximately 300 to 500 feet between poles. The structure heights of these poles are anticipated to range between 70 to 90 feet for the single-circuit structures and between 75 to 115 feet for the double-circuit structures. Xcel Energy requested a route width of approximately 400 feet, or 200 feet either side of the proposed alignment. The anticipated right-of-way for the new transmission line would be 75 feet.9 The Project is located entirely within the city of Orono in Hennepin County. The Project will cost approximately $5.3 million dollars.19 Procedural History On June 7, 2011, Xcel Energy filed its application for an HVTL Route Permit and approval of the proposed Orono Substation replacement." On December 2, 2011 , the OES issued a Notice of Public Hearing giving advance notice of the public hearing to parties on the service list, interested persons, 6 Notice of Comment Period, OAH 8-2500-22429-2 at 1 (E-Docket No. 20121-70260-01). See, Hearing Transcript, OAH 8-2500-22429-2 at 2 (E-Docket No. 20121-69850-01). 8 Order, MPUC Docket No. E-002/TL-11-223, supra. 9 Id. 10 Id. 11 Application, MPUC Docket No. E-002/TL-11-223 (E-Docket No. 20116-63311-01). 2