20230728Compliance Filing.pdf

1407 W North Temple, Suite 330
Salt Lake City, Utah 84116

July 28, 2023

VIA ELECTRONIC FILING

Jan Noriyuki
Commission Secretary
Idaho Public Utilities Commission
11331 W Chinden Blvd.
Building 8 Suite 201A
Boise, ID 83714

Re: CASE NO. PAC-E-23-01
IN THE MATTER OF THE APPLICATION OF ROCKY MOUNTAIN POWER
FOR A CERTIFICATE OF CONVENIENCE AND NECESITY
AUTHORIZING CONSTRUCTION OF THE BOARDMAN-TO-
HEMMINGWAY 500-KV TRANSMISSION LINE PROJECT

Dear Ms. Noriyuki:

Rocky Mountain Power hereby submits for filing with the Idaho Public Utilities
Commission a detailed breakdown of the soft cap cost components in accordance with Order
No. 35839 in the above referenced case.

Informal inquiries related to this filing should be directed to Mark Alder, Idaho
Regulatory Affairs Manager, at [phone].

Very truly yours,

Joelle Steward
Senior Vice President, Regulation and Customer & Community Solutions

Enclosures

RECEIVED
Friday, July 28, 2023 12:44:53 PM
IDAHO PUBLIC
UTILITIES COMMISSION
B2H Project Estimate as o Jan 2023
Notes
B2H Permitting Estimate PAC
Direct Costs Estimate 65,376,056 Idaho Power overhead costs included in direct costs
B2H Pre‐Construction Estimate PAC
Direct Costs Estimate 11,567,845 Idaho Power overhead costs included in direct costs
B2H ROW Option Estimate PAC
Direct Costs Estimate 2,908,862 Idaho Power overhead costs included in direct costs
B2H Transmission Lines Estimate PAC
Direct Costs Estimate 483,877,348 Idaho Power overhead costs included in direct costs
Substations Estimate PAC
Direct Costs Estimate 63,817,755 Idaho Power overhead costs included in direct costs
Total Shared B2H Estimate PAC
Direct Costs Estimate 627,547,867 Total expected costs to Idaho Power
Unshared PAC Cost Estimate PAC
Direct Costs Estimate 18,834,129 Pacificorp overhead costs included in direct costs
PAC Property Tax Estimate 10,443,860
PAC AFUDC 137,727,592
PAC Contingency 48,663,192
Total PAC Unshared Cost Estimate 215,668,773
Grand Total Estimate for PAC 843,216,639