Kayne Anderson Energy Development (KED) 10-Q 2009 Q3 Quarterly report

Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Kayne Anderson Energy Development Company (the “Company”) on Form 10-Q for the period ending August 31, 2009 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, Kevin S. McCarthy, Chief Executive Officer of the Company, and Terry A. Hart, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

October 9, 2009	/s/ Kevin S. McCarthy
	Name:	Kevin S. McCarthy
	Chief Executive Officer (Principal Executive Officer)
October 9, 2009	/s/ Terry A. Hart
	Name:	Terry A. Hart
	Chief Financial Officer (Principal Financial Officer)

A signed original of this written statement required by § 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.