POWER OF ATTORNEY

The undersigned, an officer of Mississippi Power Company, hereby makes,
constitutes, and appoints Myra C. Bierria, Sarah E. Cash, Laura O. Hewett and
Marcia R. DeMar, my agents and attorneys-in-fact, for the limited purpose of
signing on my behalf, and causing to be filed with the Securities and Exchange
Commission Form ID and Initial Statement of Beneficial Ownership of Securities,
Statement of Changes in Beneficial Ownership, and Annual Statement of Changes in
Beneficial Ownership, on Forms 3, 4, and 5, respectively, and any appropriate
amendment or amendments thereto.

This power of attorney shall remain in effect until my obligation to file the
aforementioned reports as an officer of Mississippi Power Company ceases, unless
earlier revoked by me by written document delivered to the Corporate Secretary
of Mississippi Power Company.


Effective the 25th day of October, 2018.


/s/ JAMES P. HEILBRON