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0 ( Mark One ) ANNUAL REPORT PURSUANT TO SECTION 13 OR ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 Commission File No. 1-14201 1-03779 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from 1-01402 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 SEMPRA ENERGY 488 8th Avenue San Diego , California 92101 ( 619 ) 696-2000 SAN DIEGO GAS & ELECTRIC COMPANY Exact Name of Registrants as Specified in their Charters , Address and Telephone Number Sempra Energy® 8326 Century Park Court San Diego , California 92123 ( 619 ) 696-2000 SOUTHERN CALIFORNIA GAS COMPANY 555 West Fifth Street Los Angeles , California 90013 ( 213 ) 244-1200 SEMPRA ENERGY : FORM 10 - K Title of Each Class Common Stock , without par value SECURITIES REGISTERED PURSUANT TO SECTION 12 ( b ) OF THE ACT : SAN DIEGO GAS & ELECTRIC COMPANY : None or SOUTHERN CALIFORNIA GAS COMPANY : None SDGE 6S SoCalGas 6.75 % Mandatory Convertible Preferred Stock , Series B , $ 100 liquidation preference 5.75 % Junior Subordinated Notes Due 2079 , $ 25 par value 1 to Trading Symbol SRE SREPRB SREA State of Incorporation California I.R.S. Employer Identification Nos . 33-0732627 California 95-1184800 California 95-1240705 Name of Each Exchange on Which Registered New York Stock Exchange New York Stock Exchange New York Stock Exchange