UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): ~~August 7~~February 26, ~~2024~~2025

Commission

File Number

Exact name of registrant as specified in

its charter, address of principal executive

offices and registrant’s telephone number

IRS Employer

Identification Number

1-3198

Idaho Power Company

82-0130980

1221 W. Idaho Street

Boise, IDIdaho 83702-5627

(208) 388-2200

State or Other Jurisdiction of Incorporation: Idaho

Former name or former address, if changed since last report: None

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934:

Title of each class

Trading

Symbol(s)

Name of each exchange

on which registered

N/A

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01

Other Events.

~~On August 7, 2024,~~ Idaho Power Company (“Idaho Power”) entered into a Terms Agreement (the “Terms Agreement”) with J.P. Morgan Securities LLC, BofA Securities, Inc., U.S. Bancorp Investments, Inc., Wells Fargo Securities, LLC, Mizuho Securities USA LLC, Morgan Stanley & Co. LLC and MUFG Securities Americas Inc., as purchasers, whereby Idaho Power agreed to sell and the purchasers agreed to purchase, subject to the terms and conditions expressed therein, $300,000,000 aggregate principal amount of Idaho Power’s 5.20% First Mortgage Bonds due 2034, Secured Medium-Term Notes, Series M (the “Bonds”). The Bonds are expected to be issued on August 12, 2024, subject to the terms and conditions expressed in the Terms Agreement and in the Selling Agency Agreement, ~~dated June 30, 2022, between Idaho Power~~ and ~~each~~Supplemental ofIndenture ~~agents named therein, as amended by that certain Amendment No. 1, dated August 7, 2024 (the “Selling Agency Agreement”).~~

~~The~~On ~~Terms~~February 26, 2025, Idaho Power Company (“IPC”) entered into a Selling Agency Agreement (the “Selling Agency Agreement”) with each of BofA Securities, Inc., J.P. Morgan Securities LLC, Mizuho Securities USA LLC, Morgan Stanley & Co. LLC, MUFG Securities Americas Inc., U.S. Bancorp Investments, Inc. and Wells Fargo Securities, LLC in connection with the issuance and sale by IPC from time to time of First Mortgage Bonds, Secured Medium-Term Notes, Series O (the “Series O Notes”), to be issued under the Indenture of Mortgage and Deed of Trust, dated as of October 1, 1937, between IPC and Deutsche Bank Trust Company Americas (formerly known as Bankers Trust Company), as supplemented by all indentures supplemental thereto (the “Indenture”). The Selling Agency Agreement ~~contain~~contains representations, warranties and ~~agreements~~covenants of ~~Idaho Power~~IPC, customary conditions to closing, indemnification rights and obligations of the parties and termination provisions. ~~The~~IPC ~~Terms~~has ~~Agreement~~no isobligation ~~filed~~to assell ~~Exhibit~~any ~~1.1~~minimum ~~hereto.~~principal ~~The~~amount of Series O Notes under the Selling Agency Agreement, ~~was~~and ~~previously~~may ~~filed~~issue ~~(without~~up ~~Amendment~~to Noa maximum aggregate principal amount of $2,100,000,000 of Series O Notes under the Selling Agency Agreement. 1)The Selling Agency Agreement is filed as Exhibit 1.1 to ~~Idaho~~this ~~Power’s~~report. ~~Current~~The ~~Report~~foregoing ondescription ~~Form~~of ~~8-K~~the ~~filed~~Selling ~~with~~Agency ~~the~~Agreement ~~Securities~~is ~~and~~not ~~Exchange~~complete ~~Commission~~and onis ~~June 30,~~qualified ~~2022.~~in ~~Amendment~~its ~~No.~~entirety 1by isreference ~~filed~~to assuch ~~Exhibit 1~~exhibit.~~3 hereto.~~

On February 26, 2025, in connection with the offer and sale of the Series O Notes from time to time pursuant to a registration statement on Form S-3 filed by IPC with the U.S. Securities and Exchange Commission (File No. 333-285140-01), which became effective on February 21, 2025, IPC filed a prospectus supplement with the U.S. Securities and Exchange Commission pursuant to Rule 424(b) under the Securities Exchange Act of 1933.

Effective as of February 26, 2025, IPC entered into the Fifty-third Supplemental Indenture, to the Indenture. The Fifty-third Supplemental Indenture provides for, among other items, the issuance of Series O Notes pursuant to the Indenture and the increase from $3.5 billion to $5.5 billion of the maximum amount of obligations permitted to be secured at any one time by the Indenture.

A copy of the Fifty-third Supplemental Indenture is filed as Exhibit 4.1 to this report.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits. The following exhibits are being furnished as part of this report.

ExhibitNo.		Description
Exhibit Number		Description
1.1		~~Terms~~Selling Agency Agreement, dated ~~August~~February 726, ~~2024~~2025, between Idaho Power Company and each of ~~J.P. Morgan Securities LLC,~~ BofA Securities, Inc., UJ.SP. ~~Bancorp~~Morgan ~~Investments, Inc., Wells Fargo~~ Securities, LLC, Mizuho Securities USA LLC, Morgan Stanley & Co. LLC, ~~and~~ MUFG Securities Americas Inc., asU.S. ~~purchasers~~Bancorp Investments, Inc. and Wells Fargo Securities, LLC
1.2		Selling Agency Agreement, dated June 30, 2022, between Idaho Power Company and each of BofA Securities, Inc., J.P. Morgan Securities LLC, KeyBanc Capital Markets Inc., MUFG Securities Americas Inc., U.S. Bancorp Investments, Inc. and Wells Fargo Securities, LLC (incorporated by reference to Exhibit 1.1 to Idaho Power’s Current Report on Form 8-K filed with the Securities and Exchange Commission on June 30, 2022)
4.1		Idaho Power Company Fifty-third Supplemental Indenture, dated effective as of February 26, 2025, to Mortgage and Deed of Trust, dated as of October 1, 1937
1.3		Amendment No. 1 to Selling Agency Agreement, dated August 7, 2024, between Idaho Power Company and each of BofA Securities, Inc., MUFG Securities Americas Inc., J.P. Morgan Securities LLC, U.S. Bancorp Investments, Inc., KeyBanc Capital Markets Inc., Wells Fargo Securities, LLC, Mizuho Securities USA LLC and Morgan Stanley & Co. LLC
5.1		Opinion of Perkins Coie LLP, dated August 8, 2024, filed in connection with Registration Statement on Form S-3 (File No. 333-264984)
23.1		Consent of Perkins Coie LLP (included in Exhibit 5.1)
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: ~~August~~ 8February 26, ~~2024~~2025

IDAHO POWER COMPANY By: /s/ ~~Brian~~Lisa RA. ~~Buckham~~Grow ~~Brian~~Lisa RA. ~~Buckham~~GrowPresident ~~Senior~~and ~~Vice President,~~ Chief ~~Financial~~Executive Officer~~, and Treasurer~~

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