Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-222650 on Form S-3 of our reports dated February 26, 2019, relating to the consolidated financial statements of San Diego Gas & Electric Company, and the effectiveness of San Diego Gas & Electric Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of San Diego Gas & Electric Company for the year ended December 31, 2018.

/s/ DELOITTE & TOUCHE LLP

San Diego, California

February 26, 2019