Duke Energy Indiana, LLC 8-K

What Happened
Duke Energy Indiana, LLC filed an 8-K on March 6, 2026, announcing it consummated the issuance and sale of $500,000,000 aggregate principal amount of First Mortgage Bonds, Series DDDD, bearing interest at 4.95% and maturing March 15, 2036. The sale was completed under an underwriting agreement dated March 4, 2026, with BMO Capital Markets, CIBC World Markets, MUFG Securities Americas and U.S. Bancorp Investments acting as representatives of the underwriters.

Key Details

• Issuance date/filing: consummated and reported March 6, 2026 (Underwriting Agreement dated March 4, 2026).
• Securities: First Mortgage Bonds, Series DDDD, 4.95% coupon, due March 15, 2036, $500,000,000 principal amount.
• Sale terms: Bonds were sold to the underwriters at a discount to principal (so proceeds were less than $500M).
• Legal framework: Issued under the Company’s Indenture of Mortgage (dated Sept. 1, 1939) with Deutsche Bank National Trust Company as Trustee; a Seventy-Fourth Supplemental Indenture dated March 6, 2026 was filed.

Why It Matters
This 8-K shows Duke Energy Indiana raised long-term debt financing at a fixed 4.95% rate, which will increase the company’s debt outstanding and future interest obligations. The filing does not state how proceeds will be used. For investors, the key takeaways are the new long-term liability on the balance sheet and the fixed interest cost through 2036; monitor future filings for details on use of proceeds and any impact on credit metrics.