EXHIBIT 23.01 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement Nos. 333-45537, 33-51322, 33-53258, 33-59404, and 33- 52663 of Southern California Gas Company on Forms S-3 of our report dated February 4, 2000, appearing in this Annual Report on Form 10- K of Southern California Gas Company for the year ended December 31, 1999. /s/ DELOITTE & TOUCHE LLP San Diego, California March 28, 2000