20171004Wyoming_DPU 1.10.docx

DPUData Request 1.10
Please provide detailed depreciation expenses for the property and equipment the Company intends to replace in its wind repowering but keep in rates. Include for each wind site, a description of the property and equipment, the remaining life, and the annual depreciation expense over the remaining life. If any property and equipment is not located at the site of any of the wind projects to be repowered, include that property and equipment separately.
Response to DPUData Request 1.10
Please refer to Confidential Attachment DPU 1.10.All property being replaced is included at the plant sites. The net book balance of the equipment being replaced will remain in accumulated depreciation and will be recovered over the 30 year life-span of the replacement equipment.
Confidential information is provided subject to Public Service Commission of Utah (UPSC) Rules 746-1-602 and 603.