Item 2. Properties
ITEM 2. PROPERTIES
Idaho Power's properties consist of the physical assets necessary to support its utility operations, which include generation, transmission, and distribution facilities. In addition to these physical assets, Idaho Power has rights-of-way and water rights that enable it to use its facilities. Idaho Power’s system is composed of 17 hydropower generating plants located in southern Idaho and eastern Oregon, three natural gas-fired plants in southern Idaho, and interests in two coal-fired steam electric generating plants located in Wyoming and Nevada. As of December 31, 2022, the system also includes approximately 4,832 pole-miles of high-voltage transmission lines, 23 step-up transmission substations located at power plants, 21 transmission substations, 11 switching stations, 30 mixed-use transmission and distribution substations, 189 energized distribution substations (excluding mobile substations and dispatch centers), and approximately 29,384 pole-miles of distribution lines.
Idaho Power holds Federal Energy Regulatory Commission licenses for all of its hydropower projects that are subject to federal licensing. Relicensing of Idaho Power’s hydropower projects is discussed in Part II - Item 7 - "Management’s Discussion and Analysis of Financial Condition and Results of Operations – Regulatory Matters – Relicensing of Hydropower Projects" in this report.
IDACORP's and Idaho Power's headquarters are located in Boise, Idaho. The corporate headquarters campus consists of approximately 305,741 square feet of owned office space. Excluding Idaho Power's power generation facilities and substations, Idaho Power owns an additional 1,168,813 square feet of office, warehouse, and industrial space to support its operations in Idaho and Oregon.
Idaho Power owns all of its interests in principal plants and other important units of real property, except for portions of certain projects licensed under the Federal Power Act and reservoirs and other easements. Substantially all of Idaho Power’s property is subject to the lien of its Mortgage and Deed of Trust and the provisions of its project licenses. Idaho Power’s property is subject to minor defects common to properties of such size and character that it believes do not materially impair the value to, or the use by, Idaho Power of such properties. Idaho Power considers its properties to be well-maintained and in good operating condition.
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Through Idaho Energy Resources Co., Idaho Power owns a one-third interest in Bridger Coal Company and coal leases near the Jim Bridger power plant in Wyoming from which coal is mined and supplied to the plant. Ida-West Energy Company holds 50-percent interests in nine hydropower plants that have a total nameplate capacity of 44 MW. These plants are located in Idaho and California.
Idaho Power's hydropower projects and other owned and co-owned generating facilities and their nameplate capacities, as of the date of this report, are included in the table below.
Project Nameplate Capacity (Kilowatt) (1)
License Expiration
Hydropower Projects:
Properties Subject to Federal Licenses:
Lower Salmon 60,000 2034
Bliss 75,038 2034
Upper Salmon 34,500 2034
Shoshone Falls 14,729 2040
CJ Strike 82,800 2034
Upper Malad - Lower Malad 21,770 2035
Brownlee - Oxbow - Hells Canyon (Hells Canyon Complex) 1,256,501 2005 (2)
Swan Falls 27,170 2042
American Falls 92,340 2025
Cascade 12,420 2031
Milner 59,448 2038
Twin Falls 52,898 2040
Other Hydropower:
Clear Lake - Thousand Springs 9,300
Total Hydropower 1,798,914
Steam and Other Generating Plants:
Jim Bridger (coal-fired) (3)
775,286
North Valmy Unit 2 (coal-fired) (3)(4)
144,900
Danskin (gas-fired) 270,900
Langley Gulch (gas-fired) 318,453
Bennett Mountain (gas-fired) 172,800
Salmon (diesel-internal combustion) 5,000
Total Steam and Other 1,687,339
Total Generation 3,486,253
(1) Actual generation capacity from a facility may be greater or less than the rated nameplate generation capacity.
(2) Licensed on an annual basis while the application for a new multi-year license is pending.
(3) Idaho Power’s ownership interests are one-third for Jim Bridger and 50 percent for North Valmy. Amounts shown represent Idaho Power’s share.
(4) Pursuant to an agreement with NV Energy, Idaho Power's participation in coal-fired operations of North Valmy ended in December 2019 at unit 1 and is planned to end no later than the end of 2025 at unit 2.