20171004Wyoming Attachment OCS 2.2.docx

OCSData Request 2.2For each of the wind resources the Company proposes to repower (i.e., Glenrock I, Glenrock II, Rolling Hills, etc.), please provide in schedule form the following information:Amount included in rate base in the Company’s adjusted test year in the most recent rate case. This should be broken down by plant in service, accumulated depreciation and ADIT as well as the net resulting balance included in rate base. This should also include the impacts of the adjustments to the wind facilities for plant additions shown on Exhibit RMP__(SRM-3), page 8.6.23, submitted with the Company’s filing in the rate case.The amount of plant in service, accumulated depreciation, ADIT and resulting net book value amount (PIS – ADR – ADIT) as of the most recent date available;The projected amount of plant in service, accumulated depreciation, ADIT and resulting net book value amount (PIS – ADR – ADIT) anticipated immediately prior retiring the existing assets being replaced. Identify the date being used in the projection.
Response to OCSData Request 2.2Please refer to Attachment OCS 2.2-1 for the wind resources included in the Company’s original and rebuttal filings in Docket 13-035-184. The case was resolved via black box settlement. Not all specific adjustments to revenue requirement were determined. Therefore, there is not a specific level that can be identified as “in rates.”For the UT June 2015 GRC, ADIT was calculated through the Company’s PowerTax fixed asset software system which computes wind resources in total and not by individual wind farm. The total amount is included in Attachment OCS 2.2-1. Please refer to Attachment OCS 2.2-2 for the July 31, 2017 balances for the wind resources that the Company proposes to repower.The ADIT will be provided as soon as available.Please refer to Attachment OCS 2.2-3 for the balances as of the repower date for the wind resources that the Company proposes to repower.The ADIT will be provided as soon as available.