EXHIBIT 23 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement No. 2-74613 on Form S-16 and No. 33-66474 on Form S-8 of EnergySouth, Inc. (the "Company"), as successor to Mobile Gas Service Corporation, and No. 333-02271 on Form S-3 of the Company, of our report dated November 6, 2002, appearing in this Annual Report on Form 10-K of the Company for the year ended September 30, 2002. /s/ Deloitte & Touche LLP DELOITTE & TOUCHE LLP Atlanta, Georgia December 20, 2002