The URL can be used to link to this page

Home My WebLink About20090106PAC to IIPA 36-44.pdfRECE 201 South Main. Suite 2300 Salt Lake City. Utah 84111~2~!o~OUNTAIN 2009 JAN -6 Plî /2: 50 December 31, 2008 Eric Olsen Idaho Irrigation Pumpers Assoc Racine, Olsen, Nye, Budge & Bailey 201 East Center Pocatello, ID 83204 RE: PAC-E-08-07 IIPA Data Request (36-44) Please find enclosed Rocky Mountain Power's Responses to lIPA Data Requests 36 - 44. Provided on the enclosed CD are Attachments lIPA 36, 37,38, 39b, 40 -(a,d), 41, 43 -(1-2), and 44 -(1-2). If you have any questions, please feel free to call me at (801) 220-2963. Sincerely, ~ltu~/~ Ted Weston, Manager, Regulation Enclosures PAC-E-08-07/Rocky Mountain Power December 31, 2008 IIPA Data Request 36 LIP A Data Request 36 Please provide a copy of the Company's jurisdictional allocation model(s) and its class cost of service study in Excel format with all formula's intact. Response to lIP A Data Request 36 Please refer to Attachment liP A 36. IDAHO P AC-E-08..07 2008 GENERAL RATE CASE ROCKY MOUNTAIN POWER IIPA DATA REQUEST (36-44) ATTACHMENT lIP A 36 ON THE ENCLOSED CD PAC-E-08-07/Rocky Mountain Power December 31, 2008 lIP A Data Request 37 IIPA Data Request 37 For each month for which the Company does not have load research data for the Irrigation class, please explain how the monthly system coincident peak used on Exhibit 22, Tab 5, page 7 and the monthly Distribution peaks used on Exhibit 22, Tab 5, page 12 are derived. Please provide the raw data used to establish these non-load research based data. Response to LIP A Data Request 37 For all irrigation non-season months where load research data is not available, monthly System coincident peaks and monthly Distribution peaks are derived assuming a 100% load factor for each hour of the month. Peaks are calculated by dividing the total monthly class kWh by the number of hours in the month. Please refer to Attachment lIPA 37. Note: Exhibit 22, Tab 5, page 7 is at Sales Level and Exhibit 22, Tab 5, page 12 is at Input leveL. IDAHO P A C- E-08-07 2008 GENERAL RATE CASE ROCKY MOUNTAIN POWER IIPA DATA REQUEST (36-44) ATTACHMENT IIPA 37 ON THE ENCLOSED CD PAC-E-08-07/Rocky Mountain Power December 31, 2008 nPA Data Request 38 IIPA Data Request 38 Please explain the methodology and provide the underlying data used to develop the non-coincident peak data used on Exhibit 22, Tab 5, page 13 for all rate schedules. Response to lIP A Data Request 38 Three methodologies are used to estimate non-coincident peak data: 1. KW/Cust MPU * Population (this method is available for samples where 15 minute data is collected). 2. NCP/Schedule Peak, 3 Yr. Ratio (this method is used for samples where 60 minute data is collected). 3. 100% Load Factor (used for street lighting and non-season irrgation months). Irrigation on-season and Schedule 006 used method 1. Non-season irrigation and street lighting used method 3. All other schedules used method 2. Please refer to Attachment LIP A 38, which provides the underlying data used to develop non-coincident peak data for all rate schedules. IDAHO PAC-E-08-07 2008 GENERAL RATE CASE ROCKY MOUNTAIN POWER iip A DATA REQUEST (36-44) ATTACHMENT ~~p A 38 ON THE ENCLOSED CD P AC-E-08-07 /Rocky Mountain Power December 31, 2008 LIP A Data Request 39 LIP A Data Request 39 With respect to the distribution peak data listed on Exhibit 22, Tab 5, page 12, please provide the following: a. The loss factors that are applied to each rates schedule listed; b. The hourly distribution value for each hour for 2005-07 in electronic format; c. The estimated hourly impact upon the distributions values listed in b above, due to the impact of the Irrgation load management programs. Response to lIP A Data Request 39 a. Secondary loss factor 14.668% Primar loss factor 10.418% Transmission loss factor 5.697% b. Please refer to Attachment IIPA 39b. c. This analysis has not been performed. IDAHO P AC-E-08-07 2008 GENERAL RATE CASE ROCKY MOUNTAIN POWER IIPA DATA REQUEST (36-44) ATTACHMENT IIPA 39b ON THE ENCLOSED CD PAC-E-08-07/Rocky Mountain Power December 31, 2008 LIP A Data Request 40 LIP A Data Request 40 With respect to the data used to establish the Substation Peaks weighting factors on the top of page 1 i of Tab 5 of Exhibit 22, please provide the following; a. The name of each substation used in the analysis; b. The MW of peak recorded at each substation; c. The time and date of the peak of each substation; d. The original cost of the substation or any cost value that is available on the Company's property records; and e. A list of all substations not included in the analysis and the reason for the non- inclusion. Response to IIPA Data Request 40 a. Please refer to Attachment IIPA 40a; which provides the name of each substation, MW of peak recorded and time/date of peak. b. Please refer to the Company's response to subpar a above. c. Please refer to the Company's response to subpart a above. d. Please refer to Attachment lIP A 40d. e. All Idaho substations are included in the analysis except for two hydro substations, marked with "#" in Attachment LIP A 40a. These substations were excluded because they are used in hydro generation and do not serve customer load. IDAHO P AC-E-08-07 2008 GENERAL RATE CASE ROCKY MOUNTAIN POWER IIPA DATA REQUEST (36-44) ATTACHMENT IIPA 40 -(a,d) ON THE ENCLOSED CD PAC-E~08-07/Rocky Mountain Power December 31, 2008 lIP A Data Request 41 LIP A Data Request 41 Please provide a listing by size the number of the line transformers that are presently used in the field to service customers. If available, please list the customer type (Res, Comm, Irr, Ind, other) that is served. Response to LIP A Data Request 41 Please refer to Attachment lIP A 41, Tab i, for a list of line transformers by size and type of customer served for the State of Idaho. IDAHO P AC-E-08-07 2008 GENERAL RATE CASE ROCKY MOUNTAIN POWER lIP A DATA REQUEST (36-44) ATTACHMENT LIP A 41 ON THE ENCLOSED CD P AC-E-08-07/Rocky Mountain Power December 3 i, 2008 LIP A Data Request 42 LIP A Data Request 42 Please provide a listing by size the number of single phase line transformers that are grouped for a single customer that are presently used in the field to service 3- phase customers. Response to lIP A Data Request 42 Please refer to the Company's response to LIP A Data Request 41; specifically Attachment lIP A 4 i, Tab 2, for a listing by size the number of single phase line transformers that are grouped together in the field to service 3-phase customers. PAC-E-Og-07/Rocky Mountain Power December 31, 2008 LIP A Data Request 43 LIP A Data Request 43 What size range of line transformers are normally used to serve residential load? Response to lIP A Data Request 43 Please refer to Attachments IIPA 43 -1 and LIP A 43 -2 for detail of standard line transformer sizes and transformer sizing criteria. IDAHO PAC-E-08-07 2008 GENERAL RATE CASE ROCKY MOUNTAIN POWER IIPA DATA REQUEST (36-44) ATTACHMENT IIPA 43 -(1-2) ON THE ENCLOSED CD P AC-E-08-07/Rocky Mountain Power December 31, 2008 LIP A Data Request 44 LIP A Data Request 44 For new line transformers that have been ordered by the Company over the last few years (for any of the jurisdictions), please provide a typical price for each size and type of line transformers. This data is being requested in relationship to the typical sizes and types of line transformers listed in 41 above and need only reflect these types of line transformers. Response to liP A Data Request 44 Please refer to Attachments IIPA 44 -i and IIPA 44 -2 for detail of the typical cost for multiple sizes of line transformers. . c . IDAHO P AC-E-08-07 2008 GENERAL RATE CASE ROCKY MOUNTAIN POWER IIPA DATA REQUEST (36-44) ATTACHMENT IIPA 44 -(1-2) ON THE ENCLOSED CD