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Debt and Credit Facilities (Tables)
 9 Months Ended
Sep. 30, 2023
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
The following table summarizes significant debt issuances (in millions).
Nine Months Ended September 30, 2023
Duke DukeDukeDukeDukeDuke
MaturityInterestDukeEnergyEnergyEnergyEnergy EnergyEnergy
Issuance DateDateRateEnergy(Parent)CarolinasProgressFloridaOhioIndianaPiedmont
Unsecured Debt
April 2023(a)
April 20264.125 %$1,725 $1,725 $— $— $— $— $— $— 
June 2023(b)
June 20335.400 %350 — — — — — — 350 
September 2023(c)
September 2033
5.750 %600 600 — — — — — — 
September 2023(c)
September 2053
6.100 %750 750 — — — — — — 
First Mortgage Bonds
January 2023(d)
January 20334.950 %900 — 900 — — — — — 
January 2023(d)
January 20535.350 %900 — 900 — — — — — 
March 2023(e)
March 20335.250 %500 — — 500 — — — — 
March 2023(e)
March 20535.350 %500 — — 500 — — — — 
March 2023(f)
April 20335.250 %375 — — — — 375 — — 
March 2023(f)
April 20535.650 %375 — — — — 375 — — 
March 2023(g)
April 20535.400 %500 — — — — — 500 — 
June 2023(h)
January 20334.950 %350 — 350 — — — — — 
June 2023(h)
January 20545.400 %500 — 500 — — — — — 
September 2023(i)
October 2073
4.960 %200 — — — 200 — — — 
Total issuances$8,525 $3,075 $2,650 $1,000 $200 $750 $500 $350 
(a)See "Duke Energy (Parent) Convertible Senior Notes" below for additional information.
(b)Proceeds will be used to repay $45 million of maturities due October 2023, to pay down a portion of short-term debt and for general corporate purposes.
(c)Proceeds were primarily used to repay $400 million of maturities due October 2023, to pay down a portion of short-term debt and for general corporate purposes.
(d)Proceeds were used to repay $1 billion of maturities due March 2023, to pay down a portion of short-term debt and for general company purposes.
(e)Proceeds will be used to repay $300 million of maturities due September 2023, to pay down a portion of short-term debt and for general company purposes.
(f)Proceeds will be used to repay $300 million of maturities due September 2023 and a portion of the $100 million term loan due October 2023. Remaining proceeds will be used to repay a portion of short-term debt and for general corporate purposes.
(g)Proceeds were used to repay the $300 million term loan due October 2023. Remaining proceeds will be used to repay a portion of short-term debt and for general company purposes.
(h)Proceeds were used to pay down a portion of short-term debt and for general company purposes.
(i)Proceeds were used to pay down a portion of short-term debt and for general company purposes.
The following table shows the significant components of Current maturities of long-term debt on the Condensed Consolidated Balance Sheets. The Duke Energy Registrants currently anticipate satisfying these obligations with cash on hand and proceeds from additional borrowings.
(in millions)Maturity DateInterest RateSeptember 30, 2023
Unsecured Debt
Duke Energy Ohio(a)
October 20235.813 %$150 
Duke Energy (Parent)October 20233.950 %400 
Duke Energy (Parent) Term Loan Facility(a)
March 20246.048 %1,000 
Duke Energy (Parent)April 20243.750 %1,000 
Duke Energy Florida(a)
April 20246.196 %800 
Other(b)
684 
Current maturities of long-term debt$4,034 
(a)Debt has a floating interest rate. In October 2023, Duke Energy Kentucky's $50 million two-year term loan facility was increased to $75 million and it's maturity was extended to April 2024. The term loan was fully drawn at the time of closing with incremental borrowings under the facility used to pay down short-term debt and for general corporate purposes.
(b)Includes finance lease obligations, amortizing debt, tax-exempt bonds with mandatory put options and small bullet maturities.
Schedule of Line of Credit Facilities
The table below includes the current borrowing sublimits and available capacity under these credit facilities.
September 30, 2023
DukeDukeDukeDukeDukeDuke
DukeEnergyEnergyEnergyEnergyEnergyEnergy
(in millions)Energy(Parent)CarolinasProgressFloridaOhioIndianaPiedmont
Facility size(a)
$9,000 $2,275 $1,575 $1,400 $1,250 $750 $950 $800 
Reduction to backstop issuances
Commercial paper(b)
(2,815)(106)(631)(841)(292)(298)(350)(297)
Outstanding letters of credit(39)(27)(4)(1)(7)— — — 
Tax-exempt bonds(81)— — — — — (81)— 
Available capacity under the Master Credit Facility$6,065 $2,142 $940 $558 $951 $452 $519 $503 
(a)Represents the sublimit of each borrower.
(b)Duke Energy issued $625 million of commercial paper and loaned the proceeds through the money pool to Duke Energy Carolinas, Duke Energy Progress, Duke Energy Ohio and Duke Energy Indiana. The balances are classified as Long-Term Debt Payable to Affiliated Companies on the Condensed Consolidated Balance Sheets.