Duke Energy launches InterNotes investment program

              Duke Energy launches InterNotes investment program

Separate PremierNotes offering continues

PR Newswire

CHARLOTTE, N.C., Nov. 14, 2012

CHARLOTTE, N.C., Nov. 14, 2012 /PRNewswire/ --Duke Energy Corp. (NYSE: DUK)
today announced it has filed a prospectus supplement with the Securities and
Exchange Commission (SEC) for the issuance of corporate notes through
Incapital's InterNotes® program.

(Logo: http://photos.prnewswire.com/prnh/20040414/DUKEENERGYLOGO)

Duke Energy InterNotes will be senior unsecured obligations of Duke Energy
Corp. to be issued on a recurring basis.

Duke Energy InterNotes may be issued with fixed or floating interest rates, in
denominations of $1,000 or integral multiples of $1,000 and with maturities
between one and 30 years. The specific terms of the notes will be set prior to
the time of sale and described in a pricing supplement.

Under the program, Duke Energy Corp. will use the net proceeds from the sale
of the notes for general corporate purposes, which may include capital
expenditures and the repayment of other debt.

Duke Energy InterNotes differ from Duke Energy PremierNotes, which the company
launched in a separate offering in April 2011. PremierNotes are variable rate
demand notes where investors may use checks to redeem their investments on

PremierNotes are short-term in nature with floating interest rates while
InterNotes are longer term in nature and may be issued with fixed or floating
interest rates.

Incapital will serve as the purchasing agent and will also oversee
distribution of the Duke Energy InterNotes.

Copies of the prospectus supplement and the accompanying prospectus relating
to the offering of Duke Energy InterNotes® may be obtained by calling toll
free at 800-659-DUKE (3853).

About Duke Energy

Duke Energy Corporation's regulated utility operations serve approximately 7
million customers located in six states in the Southeast and Midwest. Its
commercial power and international business segments own and operate diverse
power generation assets in North America and Latin America, including a
growing portfolio of renewable energy assets in the United States. Duke Energy
Corporation is headquartered in Charlotte, N.C., and its common stock is
traded on the New York Stock Exchange under the symbol DUK.

InterNotes® is a registered service mark of Incapital Holdings LLC.

CONTACT: Tom Shiel
Phone:   704-382-2355
24-Hour: 800-559-3853

SOURCE Duke Energy
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