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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported)April 29, 2021

Commission
File Number
Registrant,
State of Incorporation,
Address and Telephone Number
I.R.S. Employer
Identification No.
1-3526The Southern Company58-0690070
(A Delaware Corporation)
30 Ivan Allen Jr. Boulevard, N.W.
Atlanta, Georgia 30308
(404) 506-5000
1-3164Alabama Power Company63-0004250
(An Alabama Corporation)
600 North 18th Street
Birmingham, Alabama 35203
(205) 257-1000
1-6468Georgia Power Company58-0257110
(A Georgia Corporation)
241 Ralph McGill Boulevard, N.E.
Atlanta, Georgia 30308
(404) 506-6526
001-11229Mississippi Power Company64-0205820
(A Mississippi Corporation)
2992 West Beach Boulevard
Gulfport, Mississippi 39501
(228) 864-1211
001-37803Southern Power Company58-2598670
(A Delaware Corporation)
30 Ivan Allen Jr. Boulevard, N.W.
Atlanta, Georgia 30308
(404) 506-5000
1-14174Southern Company Gas58-2210952
(A Georgia Corporation)
Ten Peachtree Place, N.E.
Atlanta, Georgia 30309
(404) 584-4000

The names and addresses of the registrants have not changed since the last report.




This combined Form 8-K is furnished separately by six registrants: The Southern Company, Alabama Power Company, Georgia Power Company, Mississippi Power Company, Southern Power Company and Southern Company Gas. Information contained herein relating to each registrant is furnished by each registrant solely on its own behalf. Each registrant makes no representation as to information relating to the other registrants.

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrants under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

RegistrantTitle of each classTrading
Symbol(s)
Name of each exchange
on which registered
The Southern CompanyCommon Stock, par value $5 per shareSONew York Stock Exchange
The Southern CompanySeries 2016A 5.25% Junior Subordinated Notes due 2076SOJBNew York Stock Exchange
The Southern CompanySeries 2017B 5.25% Junior Subordinated Notes due 2077SOJCNew York Stock Exchange
The Southern Company2019 Series A Corporate UnitsSOLNNew York Stock Exchange
The Southern CompanySeries 2020A 4.95% Junior Subordinated Notes due 2080SOJDNew York Stock Exchange
The Southern Company
Series 2020C 4.20% Junior Subordinated Notes due 2060
SOJENew York Stock Exchange
Alabama Power Company5.00% Series Class A Preferred StockALP PR QNew York Stock Exchange
Georgia Power CompanySeries 2017A 5.00% Junior Subordinated Notes due 2077GPJANew York Stock Exchange
Southern Power CompanySeries 2016A 1.000% Senior Notes due 2022SO/22BNew York Stock Exchange
Southern Power CompanySeries 2016B 1.850% Senior Notes due 2026SO/26ANew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). (Response applicable to each registrant)
Emerging growth company  
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  




Item 2.02Results of Operations and Financial Condition
The information in this Current Report on Form 8-K, including the exhibits attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities under that Section. Furthermore, such information, including the exhibits attached hereto, shall not be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.
On April 29, 2021, The Southern Company (“Southern Company”) issued a press release regarding its earnings for the three months ended March 31, 2021. A copy of this release is being furnished as Exhibit 99.01 to this Current Report on Form 8-K. In addition, certain additional information regarding the financial results for the three months ended March 31, 2021 is being furnished as Exhibits 99.02 through 99.07 to this Current Report on Form 8-K.
Use of Non-GAAP Financial Measures
Exhibits 99.01, 99.02, 99.03 and 99.04 to this Current Report on Form 8-K include earnings and earnings per share in accordance with generally accepted accounting principles (“GAAP”) for the three-month periods ended March 31, 2021 and 2020. These exhibits also include earnings and earnings per share (1) for the three-month periods ended March 31, 2021 and 2020, excluding charges (net of salvage proceeds), associated legal expenses (net of insurance recoveries), and tax impacts related to plants under construction and earnings from the Wholesale Gas Services business and (2) for the three-month period ended March 31, 2020 excluding acquisition and disposition impacts. The attached exhibits include additional information regarding these excluded items, as well as reconciliations of each non-GAAP financial measure to the most comparable financial measure under GAAP. Southern Company believes the presentation of earnings and earnings per share, excluding these items, is useful to investors because it provides investors with additional information to evaluate the performance of Southern Company’s ongoing business activities.  Southern Company management also uses earnings and earnings per share,



excluding the effect of these items, to evaluate the performance of Southern Company’s ongoing business activities.  The presentation of this additional information is not meant to be considered a substitute for financial measures prepared in accordance with GAAP.
Exhibits
The exhibits hereto contain business segment information for Alabama Power Company, Georgia Power Company, Mississippi Power Company, Southern Power Company and Southern Company Gas. Accordingly, this report is also being furnished on behalf of each such registrant.
The following exhibits relate to the three months ended March 31, 2021:
Exhibit 99.01
Exhibit 99.02
Exhibit 99.03
Exhibit 99.04
Exhibit 99.05
Exhibit 99.06
Exhibit 99.07
Exhibit 104Cover Page Interactive Data File – The cover page iXBRL tags are embedded within the inline XBRL document.

2


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, each of the registrants has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date:   April 29, 2021THE SOUTHERN COMPANY
By/s/Ann P. Daiss
Ann P. Daiss
Comptroller
ALABAMA POWER COMPANY
GEORGIA POWER COMPANY
MISSISSIPPI POWER COMPANY
SOUTHERN POWER COMPANY
SOUTHERN COMPANY GAS

By/s/Melissa K. Caen
Melissa K. Caen
Assistant Secretary

3

Exhibit 99.01
socologoa221a.gif
News
Media Contact:Southern Company Media Relations
404-506-5333 or 1-866-506-5333
www.southerncompany.com
Investor Relations Contact:
Scott Gammill
404-506-0901
[email protected]
April 29, 2021

Southern Company reports first-quarter 2021 earnings

ATLANTA – Southern Company today reported first-quarter 2021 earnings of $1.14 billion, or $1.07 per share, compared with $868 million, or 82 cents per share, in the first quarter of 2020.

Excluding the items described under “Net Income – Excluding Items” in the table below, Southern Company earned $1.04 billion, or 98 cents per share, during the first quarter of 2021, compared with $825 million, or 78 cents per share, during the first quarter of 2020.

Non-GAAP Financial MeasuresThree Months Ended March
Net Income - Excluding Items (in millions)20212020
Net Income - As Reported$1,135 $868 
Less:
Estimated Loss on Plants Under Construction(45)(3)
Tax Impact11 
   Acquisition and Disposition Impacts 38 
Tax Impact (16)
   Wholesale Gas Services166 31 
Tax Impact(40)(8)
Net Income - Excluding Items$1,043 $825 
       Average Shares Outstanding - (in millions) 1,060 1,057 
Basic Earnings Per Share - Excluding Items$0.98 $0.78 

NOTE: For more information regarding these non-GAAP adjustments, see the footnotes accompanying the Financial Highlights page of the earnings package..

Earnings drivers for the first quarter of 2021, as compared with 2020, were robust customer growth, higher residential sales and colder weather, partially offset by lower commercial and industrial sales.

“Southern Company experienced a strong start to the year,” said Chairman, President and CEO, Thomas A. Fanning. “The economies in our service territories are starting to recover from the COVID-19 pandemic,” added Fanning. “Customer demand is improving faster than we anticipated. Importantly,



programs we implemented to keep customers connected during the pandemic – including alternative payment arrangements – have helped those in need of assistance as we have continued to reliably provide for their energy needs. I am extremely proud of our employees and the ways we have partnered with our communities during this time.”

First-quarter 2021 operating revenues were $5.9 billion, compared with $5.0 billion for the first quarter of 2020, an increase of 17.8 percent. This increase was primarily due to colder weather and higher fuel costs.

Southern Company’s first-quarter earnings slides with supplemental financial information are available at http://investor.southerncompany.com.

Southern Company’s financial analyst call will begin at 1 p.m. Eastern Time today, during which Fanning and Chief Financial Officer Andrew W. Evans will discuss earnings and provide a general business update, including an update on the Vogtle units 3 and 4 construction project. Investors, media and the public may listen to a live webcast of the call and view associated slides at http://investor.southerncompany.com/webcasts. A replay of the webcast will be available on the site for 12 months.

About Southern Company
Southern Company (NYSE: SO) is a leading energy company serving 9 million customers through its subsidiaries. The company provides clean, safe, reliable and affordable energy through electric operating companies in three states, natural gas distribution companies in four states, a competitive generation company serving wholesale customers across America, a leading distributed energy infrastructure company, a fiber optics network and telecommunications services. Southern Company brands are known for excellent customer service, high reliability and affordable prices below the national average. For more than a century, we have been building the future of energy and developing the full portfolio of energy resources, including carbon-free nuclear, advanced carbon capture technologies, natural gas, renewables, energy efficiency and storage technology. Through an industry-leading commitment to innovation and a low-carbon future, Southern Company and its subsidiaries develop the customized energy solutions our customers and communities require to drive growth and prosperity. Our uncompromising values ensure we put the needs of those we serve at the center of everything we do and govern our business to the benefit of our world. Our corporate culture and hiring practices have been recognized nationally by the U.S. Department of Defense, G.I. Jobs magazine, DiversityInc, Black Enterprise, Forbes and the Women’s Choice Award. To learn more, visit www.southerncompany.com.

###



Exhibit 99.02
Page 1
Southern Company
Financial Highlights
(In Millions of Dollars Except Earnings Per Share)
 Three Months Ended March
Net Income–As Reported (See Notes)20212020
  Traditional Electric Operating Companies$756 $642 
  Southern Power97 75 
Southern Company Gas398 275 
  Total1,251 992 
  Parent Company and Other(116)(124)
  Net Income–As Reported$1,135 $868 
  Basic Earnings Per Share1
$1.07 $0.82 
  Average Shares Outstanding (in millions)
1,060 1,057 
  End of Period Shares Outstanding (in millions)
1,059 1,056 
Non-GAAP Financial MeasuresThree Months Ended March
Net Income–Excluding Items (See Notes)20212020
  Net Income–As Reported$1,135 $868 
Less:
Estimated Loss on Plants Under Construction2
(45)(3)
Tax Impact11 
Acquisition and Disposition Impacts3
 38 
Tax Impact (16)
Wholesale Gas Services4
166 31 
Tax Impact(40)(8)
  Net Income–Excluding Items$1,043 $825 
  Basic Earnings Per Share–Excluding Items$0.98 $0.78 
-See Notes on the following page.





Exhibit 99.02
Page 2
Southern Company
Financial Highlights

Notes
(1)Dilution is not material in any period presented. Diluted earnings per share was $1.06 and $0.81 for the three months ended March 31, 2021 and 2020, respectively.
(2)Earnings for the three months ended March 31, 2021 include a charge of $48 million pre tax ($36 million after tax) for an estimated probable loss on Georgia Power Company's construction of Plant Vogtle Units 3 and 4. Further charges may occur; however, the amount and timing of any such charges are uncertain. Earnings for the three months ended March 31, 2021 and 2020 include charges (net of salvage proceeds), associated legal expenses (net of insurance recoveries), and tax impacts related to Mississippi Power Company's integrated coal gasification combined cycle facility project in Kemper County, Mississippi. Mississippi Power Company expects to incur additional pre-tax period costs to complete dismantlement of the abandoned gasifier-related assets and site restoration activities, including related costs for compliance and safety, asset retirement obligation accretion, and property taxes, totaling $10 million to $20 million annually through 2025.
(3)Earnings for the three months ended March 31, 2020 primarily include a $39 million pre-tax ($23 million after-tax) gain on the sale of Southern Power Company's Plant Mankato. Further impacts may be recorded in future periods in connection with acquisition and disposition activity.
(4)Earnings for the three months ended March 31, 2021 and 2020 include Wholesale Gas Services business results. Presenting earnings and earnings per share excluding Wholesale Gas Services provides an additional measure of operating performance that excludes the volatility resulting from mark-to-market and lower of weighted average cost or current market price accounting adjustments.



Exhibit 99.03
Page 1
Southern Company
Significant Factors Impacting EPS
 Three Months Ended March
 20212020Change
Earnings Per Share–
As Reported1 (See Notes)
$1.07 $0.82 $0.25 
  Significant Factors:
  Traditional Electric Operating Companies$0.11 
Southern Power0.02 
Southern Company Gas0.12 
Parent Company and Other 
Increase in Shares 
  Total–As Reported$0.25 
Three Months Ended March
Non-GAAP Financial Measures20212020Change
Earnings Per Share–
Excluding Items (See Notes)$0.98 $0.78 $0.20 
  Total–As Reported$0.25 
Less:
Estimated Loss on Plants Under Construction2
(0.03)
Acquisition and Disposition Impacts3
(0.02)
Wholesale Gas Services4
0.10 
  Total–Excluding Items$0.20 
- See Notes on the following page.




Exhibit 99.03
Page 2
Southern Company
Significant Factors Impacting EPS

Notes
(1)Dilution is not material in any period presented. Diluted earnings per share was $1.06 and $0.81 for the three months ended March 31, 2021 and 2020, respectively.
(2)Earnings for the three months ended March 31, 2021 include a charge of $48 million pre tax ($36 million after tax) for an estimated probable loss on Georgia Power Company's construction of Plant Vogtle Units 3 and 4. Further charges may occur; however, the amount and timing of any such charges are uncertain. Earnings for the three months ended March 31, 2021 and 2020 include charges (net of salvage proceeds), associated legal expenses (net of insurance recoveries), and tax impacts related to Mississippi Power Company's integrated coal gasification combined cycle facility project in Kemper County, Mississippi. Mississippi Power Company expects to incur additional pre-tax period costs to complete dismantlement of the abandoned gasifier-related assets and site restoration activities, including related costs for compliance and safety, asset retirement obligation accretion, and property taxes, totaling $10 million to $20 million annually through 2025.
(3)Earnings for the three months ended March 31, 2020 primarily include a $39 million pre-tax ($23 million after-tax) gain on the sale of Southern Power Company's Plant Mankato. Further impacts may be recorded in future periods in connection with acquisition and disposition activity.
(4)Earnings for the three months ended March 31, 2021 and 2020 include Wholesale Gas Services business results. Presenting earnings and earnings per share excluding Wholesale Gas Services provides an additional measure of operating performance that excludes the volatility resulting from mark-to-market and lower of weighted average cost or current market price accounting adjustments.


Exhibit 99.04
Page 1
Southern Company
EPS Earnings Analysis
Three Months Ended March 2021 vs. March 2020
DescriptionCents
Retail Sales(1)¢
Retail Revenue Impacts2
Weather6
Wholesale & Other Operating Revenues4
Depreciation and Amortization, Interest Expense, Other3
Total Traditional Electric Operating Companies14¢
Southern Power4
Southern Company Gas2
Total Change in EPS (Excluding Items)20¢
Estimated Loss on Plants Under Construction1
(3)
Acquisition and Disposition Impacts2
(2)
Wholesale Gas Services3
10
Total Change in EPS (As Reported)25¢
- See Notes on the following page.
 



Exhibit 99.04
Page 2
Southern Company
EPS Earnings Analysis

Notes
(1)Earnings for the three months ended March 31, 2021 include a charge of $48 million pre tax ($36 million after tax) for an estimated probable loss on Georgia Power Company's construction of Plant Vogtle Units 3 and 4. Further charges may occur; however, the amount and timing of any such charges are uncertain. Earnings for the three months ended March 31, 2021 and 2020 include charges (net of salvage proceeds), associated legal expenses (net of insurance recoveries), and tax impacts related to Mississippi Power Company's integrated coal gasification combined cycle facility project in Kemper County, Mississippi. Mississippi Power Company expects to incur additional pre-tax period costs to complete dismantlement of the abandoned gasifier-related assets and site restoration activities, including related costs for compliance and safety, asset retirement obligation accretion, and property taxes, totaling $10 million to $20 million annually through 2025.
(2)Earnings for the three months ended March 31, 2020 primarily include a $39 million pre-tax ($23 million after-tax) gain on the sale of Southern Power Company's Plant Mankato. Further impacts may be recorded in future periods in connection with acquisition and disposition activity.
(3)Earnings for the three months ended March 31, 2021 and 2020 include Wholesale Gas Services business results. Presenting earnings and earnings per share excluding Wholesale Gas Services provides an additional measure of operating performance that excludes the volatility resulting from mark-to-market and lower of weighted average cost or current market price accounting adjustments.


Exhibit 99.05
Southern Company
Consolidated Earnings
As Reported
(In Millions of Dollars)
 Three Months Ended March
 20212020Change
Income Account-
Retail Electric Revenues-
Fuel$838 $677 $161 
Non-Fuel2,504 2,401 103 
Wholesale Electric Revenues545 418 127 
Other Electric Revenues170 151 19 
Natural Gas Revenues1,694 1,249 445 
Other Revenues159 122 37 
Total Revenues5,910 5,018 892 
Fuel and Purchased Power1,055 817 238 
Cost of Natural Gas583 439 144 
Cost of Other Sales82 55 27 
Non-Fuel O&M1,372 1,296 76 
Depreciation and Amortization871 857 14 
Taxes Other Than Income Taxes345 330 15 
Estimated Loss on Plant Vogtle Units 3 and 448 — 48 
(Gain) Loss on Dispositions, net(44)(39)(5)
Total Operating Expenses4,312 3,755 557 
Operating Income1,598 1,263 335 
Allowance for Equity Funds Used During Construction46 34 12 
Earnings from Equity Method Investments45 42 
Interest Expense, Net of Amounts Capitalized450 456 (6)
Other Income (Expense), net58 103 (45)
Income Taxes190 145 45 
Net Income1,107 841 266 
Less:
Dividends on Preferred Stock of Subsidiaries4 — 
Net Loss Attributable to Noncontrolling Interests(32)(31)(1)
NET INCOME ATTRIBUTABLE TO SOUTHERN COMPANY$1,135 $868 $267 
Notes
- Certain prior year data may have been reclassified to conform with current year presentation.


Exhibit 99.06
Southern Company
Kilowatt-Hour Sales and Customers
(In Millions of KWHs)
 Three Months Ended March
20212020ChangeWeather Adjusted Change
Kilowatt-Hour Sales-
Total Sales46,422 44,263 4.9 %
Total Retail Sales-34,651 34,045 1.8 %(1.6)%
Residential12,040 10,866 10.8 %1.1 %
Commercial10,743 10,939 (1.8)%(3.1)%
Industrial11,708 12,066 (3.0)%(3.0)%
Other160 174 (7.7)%(8.2)%
Total Wholesale Sales11,771 10,218 15.2 %N/A
(In Thousands of Customers)
Period Ended March
20212020Change
Regulated Utility Customers-
Total Utility Customers-8,6738,5781.1%
Total Traditional Electric4,3384,2801.4%
Southern Company Gas4,3354,2980.9%






Exhibit 99.07
Southern Company
Financial Overview
As Reported
(In Millions of Dollars)
Three Months Ended March
20212020% Change
Southern Company –
Operating Revenues$5,910 $5,018 17.8 %
Earnings Before Income Taxes1,297 986 31.5 %
Net Income Available to Common1,135 868 30.8 %
Alabama Power –
Operating Revenues$1,559 $1,351 15.4 %
Earnings Before Income Taxes473 368 28.5 %
Net Income Available to Common359 280 28.2 %
Georgia Power –
Operating Revenues$1,970 $1,825 7.9 %
Earnings Before Income Taxes369 347 6.3 %
Net Income Available to Common351 331 6.0 %
Mississippi Power –
Operating Revenues$307 $277 10.8 %
Earnings Before Income Taxes49 38 28.9 %
Net Income Available to Common45 32 40.6 %
Southern Power –
Operating Revenues$440 $375 17.3 %
Earnings Before Income Taxes55 51 7.8 %
Net Income Available to Common97 75 29.3 %
Southern Company Gas –
Operating Revenues$1,694 $1,249 35.6 %
Earnings Before Income Taxes519 354 46.6 %
Net Income Available to Common398 275 44.7 %
Notes
- See Financial Highlights pages for discussion of certain significant items occurring during the periods