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Credit Facilities and Short-Term Debt | 6 Months Ended
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Jun. 30, 2026
Short-Term Debt [Abstract] |
Credit Facilities and Short-Term Debt | 9. Credit Facilities and Short-Term Debt The Registrants borrow, as necessary, by the issuance of commercial paper and by borrowings under their revolving credit agreements. On June 12, 2026, OGE Energy and OG&E each entered into new $650.0 million unsecured five-year revolving credit facilities to replace existing facilities. Each of these new facilities is scheduled to terminate on June 12, 2031. However, each of OGE Energy and OG&E have the right to request an extension of the revolving credit facility termination date under their respective facility for an additional one-year period, which extension option can be exercised up to two times. All such extension requests are subject to majority lender group approval (and only the commitments of those lenders that consent to such extension (or that agree to replace any non-consenting lender) will be extended for such additional period). Borrowings under OGE Energy's new facility bear interest at rates equal to either the SOFR, plus a margin of 0.80 percent to 1.475 percent, or an alternate base rate, plus a margin of 0.0 percent to 0.475 percent. OGE Energy's new facility has a facility fee that ranges from 0.075 percent to 0.275 percent. Interest rate margins and facility fees are based on OGE Energy's then-current senior unsecured credit ratings. Borrowings under OG&E's new facility bear interest at rates equal to either the SOFR, plus a margin of 0.69 percent to 1.275 percent, or an alternate base rate, plus a margin of 0.0 percent to 0.275 percent. OG&E's new facility has a facility fee that ranges from 0.06 percent to 0.225 percent. Interest rate margins and facility fees are based on OG&E's then-current senior unsecured credit ratings. Each of the new facilities provides for issuance of letters of credit, provided that (i) the aggregate outstanding credit exposure shall not exceed the amount of the revolving credit facilities and (ii) the aggregate outstanding stated amount of letters of credit issued under such facility shall not exceed $100.0 million for each of OGE Energy and OG&E. Advances under the new facilities may be used to refinance existing indebtedness and for working capital and general corporate purposes of the respective borrower and its subsidiaries, including commercial paper liquidity support, letters of credit, acquisitions and distributions. Each of the facilities is unsecured and, under certain circumstances, may be increased (by up to $150.0 million in each case for OGE Energy and OG&E) to a maximum revolving commitment limit of $800.0 million for each of OGE Energy and OG&E. Advances of revolving loans and letters of credit under the facilities are subject to certain conditions precedent, including the accuracy of certain representations and warranties and the absence of any default or unmatured default. The following table presents information regarding the Registrants' revolving credit agreements at June 30, 2026.
Entity |  | Aggregate Commitment |  |  | Amount Outstanding (A) |  |  | Weighted-Average Interest Rate (F) |  |  | Expiration
|  | (In millions) |  |  |  |  |  |
OGE Energy (B) |  | $ | 650.0 |  |  | $ | 129.1 |  |  |  | 4.04 | % |  | June 12, 2031
OGE Energy (C) |  |  | 60.0 |  |  |  | — |  |  |  | — | % |  | May 24, 2027
OG&E (D)(E) |  |  | 650.0 |  |  |  | 0.4 |  |  |  | 1.20 | % |  | June 12, 2031
Total |  | $ | 1,360.0 |  |  | $ | 129.5 |  |  |  | 4.03 | % |  |
(A) Includes direct borrowings under the revolving credit agreements, commercial paper borrowings and letters of credit at June 30, 2026. Typically, OGE Energy issues commercial paper to address consolidated operational activity, and OG&E will borrow from OGE Energy under the intercompany borrowing agreement as discussed below in footnote (E). (B) This bank facility is available to back up OGE Energy's commercial paper borrowings and to provide revolving credit borrowings. This bank facility can also be used as a letter of credit facility. (C) OGE Energy has a $120.0 million floating rate unsecured three-year credit agreement, of which $60.0 million is considered a revolving loan, which is included in the table above, and $60.0 million is considered a term loan. The credit agreement, under certain circumstances, may be increased to a maximum commitment limit of $155.0 million and includes a maximum leverage ratio of 0.70 to 1.0. The other covenants under this credit agreement are substantially the same as OGE Energy's existing $650.0 million revolving credit agreement. OGE Energy previously drew $60.0 million on the term loan, and as of June 30, 2026, the $60.0 million due May 24, 2027 is presented as Long-term Debt due within One Year in the 2026 consolidated balance sheet. (D) This bank facility is available to back up OG&E's commercial paper borrowings and to provide revolving credit borrowings. This bank facility can also be used as a letter of credit facility. (E) On June 12, 2026, OG&E increased its intercompany borrowing agreement with OGE Energy whereby OG&E has access to up to $650.0 million of OGE Energy's revolving credit amount. This agreement has a termination date of June 12, 2031. At June 30, 2026, there were no borrowings under this agreement. (F) Represents the weighted-average interest rate for the outstanding borrowings under the revolving credit agreements, commercial paper borrowings and letters of credit. OG&E must obtain regulatory approval from the FERC in order to borrow on a short-term basis. OG&E has the necessary regulatory approvals to incur up to $1.0 billion in short-term borrowings at any one time for a two-year perio d beginning January 1, 2025 and ending December 31, 2026.

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- Definition The entire disclosure for short-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 470 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/470/tableOfContent + Details
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