Exhibit

We consent to the incorporation by reference in this Registration Statement on Form S-3 of our reports dated February 19, 2019, relating to the financial statements and financial statement schedule of Southern Company Gas (the “Company”) appearing in the Annual Report on Form 10-K of the Company for the year ended December 31, 2018, and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement.