Exhibit 15

Board of Directors
Atmos Energy Corporation

We are aware of the incorporation by reference in the Registration Statements
(Form S-3, No. 33-37869; Form S-3 D/A, No. 33-70212; Form S-3, No. 33-58220;
Form S-3, No. 33-56915; Form S-3/A, No. 333-03339; Form S-3/A, No. 333-32475;
Form S-3/A, No. 333-50477; Form S-3/A, No. 333-93705; Form S-3, No. 333-95525;
Form S-3, No. 333-75576; Form S-4, No. 333-13429; Form S-8, No. 33-68852; Form
S-8, No. 33-57687; Form S-8, No. 33-57695; Form S-8, No. 333-32343; Form S-8,
No. 333-46337; Form S-8, No. 333-73143; Form S-8, No. 333-73145; Form S-8, No.
333-63738; and Form S-8, No. 333-88832) of Atmos Energy Corporation and in the
related Prospectuses of our report dated August 8, 2003, relating to the
unaudited condensed consolidated interim financial statements of Atmos Energy
Corporation which are included in its Form 10-Q for the quarter ended June 30,
2003.

                                                            ERNST & YOUNG LLP


Dallas, Texas
August 14, 2003