CHARLOTTE, N.C., Jan. 17, 2012 /PRNewswire/ -- Duke Energy (NYSE: DUK) will release its fourth quarter and year-end 2011 earnings results at 7 a.m. ET on Thursday, Feb. 16.

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

An earnings conference call for investors and analysts is scheduled for 10 a.m. ET Thursday, Feb. 16. In addition to discussing fourth quarter and year-end 2011 earnings, the company will provide its stand-alone 2012 adjusted diluted earnings per share guidance range.

The conference call can be accessed via the investors' section (http://www.duke-energy.com/investors/) of Duke Energy's website or by dialing 888-428-9506 in the United States or 719-325-2223 outside the United States. The confirmation code is 9104086. Please call in 10 to 15 minutes prior to the scheduled start time.

A replay of the conference call will be available until midnight ET, Feb. 25, 2012, by calling 888-203-1112 in the United States or 719-457-0820 outside the United States, and using the code 9104086. A replay and transcript also will be available by accessing the investors' section of the company's website.

Headquartered in Charlotte, N.C., Duke Energy is a Fortune 500 company traded on the New York Stock Exchange under the symbol DUK. More information about the company is available on the Internet at: www.duke-energy.com.

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

             ANALYSTS:
             Stephen De May                   704-382-2620
             Bill Currens                     704-382-1603

SOURCE Duke Energy