Description of The Southern's Business Segments

The Southern Company is a prominent energy provider that operates in several sectors, including electric and gas utilities, wholesale power generation, and telecommunications. Here is an extensive description of its segments, products, and services:

1. Retail Operating Companies

The Southern Company comprises several retail electric operating companies that serve regions primarily across the southeastern U.S. The retail electric utility companies include:

- Alabama Power
- Georgia Power
- Gulf Power
- Mississippi Power
- Savannah Electric

These companies are interconnected through high-voltage transmission lines, providing a robust and reliable power supply. They independently generate and purchase electricity while also managing the distribution of electricity to end customers. This interconnectedness allows for capacity exchanges and transactional flexibility with neighboring utilities, enhancing reliability and efficiency.

Core Activities:
- Electric Generation: All retail operating companies engage in generating electricity through various sources, including coal, natural gas, nuclear, and renewables.
- Wholesale and Retail Sales: They sell electricity to end customers at retail and engage with municipal and cooperative entities for wholesale transactions.

Southern Power

Southern Power operates as an electric wholesale generation subsidiary and manages a diverse portfolio of power generation assets. It constructs, sells, and operates generating facilities and can engage in long-term power purchase agreements (PPAs) with retail operating companies and other entities.

Key Features:
- Market-Based Rate Authority: Southern Power holds authority from the Federal Energy Regulatory Commission (FERC) to operate in competitive wholesale markets.
- Fuel Risk Management: The company aims to mitigate fuel supply, transportation, and transmission risks by structuring contractual agreements to transfer those risks to partners involved in PPAs.

Southern Company Gas

Southern Company Gas is a subsidiary focusing on natural gas distribution, serving millions of customers across the Southeast. It operates through several retail entities, including:

- Atlanta Gas Light
- Nicor Gas
- Peoples Gas

Services Offered:
- Natural Gas Distribution: Providing gas utility services to residential, commercial, and industrial customers.
- Gas Infrastructure Development: Investment in pipeline construction and maintenance.
- Energy Efficiency Programs: Implementing initiatives to reduce consumption and improve customer savings.

SouthernLINC Wireless

SouthernLINC Wireless is the telecommunications arm of Southern Company, providing communications solutions to its retail operating companies and commercial services to external customers.

Offerings:
- Integrated Communication Solutions: Bundling services such as cellular service, wireless data, InstantLINCSM Mobile-to-Mobile, and text messaging.
- Wide Coverage: Its network spans approximately 128,000 square miles across the Southeast, supporting consistent communication for both internal operations and customers.

Other Business Segments

- Southern Holdings: Acts as an intermediate holding subsidiary for the companys investments in synthetic fuels and leveraged leases and other energy-related ventures. This division focuses on identifying and developing growth opportunities beyond rate-regulated utilities.

- Southern Telecommunication: This subsidiary focuses on providing telecommunication services and may include offerings related to broadband and wired services.

Renewable Energy Initiatives

Southern Company is committed to expanding its renewable energy portfolio, focusing on solar, wind, and energy storage technologies. Investments in renewable resources align with broader national goals of carbon reduction and sustainability.

Programs Include:
- Utility-Scale Solar Projects: Large solar installations throughout the service territories to support clean energy goals.
- Wind Energy: Participation in wind farm projects that generate renewable energy for distribution.

Customer Service and Support

Southern Companys retail operations prioritize customer engagement through various channels:
- Online and Mobile Services: Customers can manage accounts, pay bills, and access energy usage data online and through mobile apps.
- Energy Efficiency Programs: Educational resources and incentives aimed at promoting energy-saving practices among customers.
- Emergency Response and Reliability: A robust response system for outages and emergencies, plus continuous improvement in service reliability.

8. Regulatory Approach and Reliability

The Southern Company and its operating subsidiaries work in coordination with regulatory bodies to ensure compliance with reliability standards and regulations. They form alliances with other utilities to enhance power supply reliability through agreements and planning initiatives.

Territory Served

The Southern Company’s retail utilities together deliver electricity to a territory spanning approximately 120,000 square miles, serving an estimated population of around 11 million people across Alabama, Georgia, Mississippi, and parts of Florida.

In summary, The Southern Company operates a diverse network of electric and gas utilities, a telecommunications arm, and various subsidiaries that enhance its operational capabilities. The company continues to invest in renewable energy, technology upgrades, and customer service improvements to adapt to the evolving energy market and the needs of its growing customer base.

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Composition of The Southern Company Revenues by Segments


Residential	12.24 %	of total Revenue
Commercial	3.01 %	of total Revenue
Industrial	0.29 %	of total Revenue
Other	0.04 %	of total Revenue
Retail electric revenues	55.25 %	of total Revenue
Natural gas distribution revenues	22.51 %	of total Revenue
Transportation	5.24 %	of total Revenue
Wholesale electric revenues	8.74 %	of total Revenue
PPA energy revenues	5.91 %	of total Revenue
PPA capacity revenues	1.77 %	of total Revenue
Non-PPA revenues	1.06 %	of total Revenue
Other natural gas revenues	3.38 %	of total Revenue
Gas marketing services	3.35 %	of total Revenue
Other revenues	5.87 %	of total Revenue
Other revenue sources	4.25 %	of total Revenue
ALABAMA POWER CO	24.91 %	of total Revenue
ALABAMA POWER CO Residential	9.21 %	of total Revenue
ALABAMA POWER CO Commercial	5.68 %	of total Revenue
ALABAMA POWER CO Industrial	4.93 %	of total Revenue
ALABAMA POWER CO Other	0.04 %	of total Revenue
ALABAMA POWER CO Retail electric revenues	19.85 %	of total Revenue
ALABAMA POWER CO Wholesale electric revenues	2.18 %	of total Revenue
ALABAMA POWER CO PPA energy revenues	0.55 %	of total Revenue
ALABAMA POWER CO PPA capacity revenues	0.21 %	of total Revenue
ALABAMA POWER CO Non-PPA revenues	1.42 %	of total Revenue
ALABAMA POWER CO Other revenues	0.93 %	of total Revenue
ALABAMA POWER CO Other revenue sources	1.95 %	of total Revenue
GEORGIA POWER CO	37.42 %	of total Revenue
GEORGIA POWER CO Residential	13.7 %	of total Revenue
GEORGIA POWER CO Commercial	13.15 %	of total Revenue
GEORGIA POWER CO Industrial	5.22 %	of total Revenue
GEORGIA POWER CO Other	0.3 %	of total Revenue
GEORGIA POWER CO Retail electric revenues	32.36 %	of total Revenue
GEORGIA POWER CO Wholesale electric revenues	1.81 %	of total Revenue
GEORGIA POWER CO PPA energy revenues	0.76 %	of total Revenue
GEORGIA POWER CO PPA capacity revenues	0.52 %	of total Revenue
GEORGIA POWER CO Non-PPA revenues	0.52 %	of total Revenue
GEORGIA POWER CO Other revenues	2.81 %	of total Revenue
GEORGIA POWER CO Other revenue sources	0.44 %	of total Revenue
MISSISSIPPI POWER CO	5.62 %	of total Revenue
MISSISSIPPI POWER CO Residential	0.95 %	of total Revenue
MISSISSIPPI POWER CO Commercial	0.98 %	of total Revenue
MISSISSIPPI POWER CO Industrial	1.07 %	of total Revenue
MISSISSIPPI POWER CO Other	0.04 %	of total Revenue
MISSISSIPPI POWER CO Retail electric revenues	3.04 %	of total Revenue
MISSISSIPPI POWER CO Wholesale electric revenues	2.31 %	of total Revenue
MISSISSIPPI POWER CO PPA energy revenues	0.05 %	of total Revenue
MISSISSIPPI POWER CO PPA capacity revenues	0.25 %	of total Revenue
MISSISSIPPI POWER CO Non-PPA revenues	2.01 %	of total Revenue
MISSISSIPPI POWER CO Other revenues	0.18 %	of total Revenue
MISSISSIPPI POWER CO Other revenue sources	0.1 %	of total Revenue
SOUTHERN POWER CO	8.11 %	of total Revenue
SOUTHERN POWER CO Wholesale electric revenues	6.18 %	of total Revenue
SOUTHERN POWER CO PPA energy revenues	4.67 %	of total Revenue
SOUTHERN POWER CO PPA capacity revenues	0.99 %	of total Revenue
SOUTHERN POWER CO Non-PPA revenues	0.52 %	of total Revenue
SOUTHERN POWER CO Other revenues	0.05 %	of total Revenue
SOUTHERN POWER CO Other revenue sources	1.88 %	of total Revenue
SOUTHERN Co GAS	26.12 %	of total Revenue
SOUTHERN Co GAS Natural gas distribution revenues	22.51 %	of total Revenue
SOUTHERN Co GAS Residential	12.24 %	of total Revenue
SOUTHERN Co GAS Commercial	3.01 %	of total Revenue
SOUTHERN Co GAS Transportation	5.24 %	of total Revenue
SOUTHERN Co GAS Industrial	0.29 %	of total Revenue
SOUTHERN Co GAS Other	0.04 %	of total Revenue
SOUTHERN Co GAS Other natural gas revenues	3.38 %	of total Revenue
SOUTHERN Co GAS Gas marketing services	3.35 %	of total Revenue
SOUTHERN Co GAS Other revenue sources	0.2 %	of total Revenue
Traditional Electric Companies Wholesale revenues affiliates SOUTHERN POWER CO	1.19 %	of total Revenue
Electric Utilities	71.72 %	of total Revenue
Traditional Electric Companies	65.29 %	of total Revenue
Eliminations	-0.4 %	of total Revenue
Eliminations SOUTHERN Co GAS	-0.05 %	of total Revenue
Eliminations Electric Utilities	-1.68 %	of total Revenue
All Other	2.6 %	of total Revenue
All Other SOUTHERN Co GAS	0.02 %	of total Revenue
Reportable ALABAMA POWER CO	24.91 %	of total Revenue
Reportable GEORGIA POWER CO	37.42 %	of total Revenue
Reportable MISSISSIPPI POWER CO	5.62 %	of total Revenue
Reportable SOUTHERN POWER CO	8.11 %	of total Revenue
Electric Utilities Eliminations	-1.68 %	of total Revenue
Gas distribution operations SOUTHERN Co GAS	22.63 %	of total Revenue
Gas Pipeline Investments SOUTHERN Co GAS	0.1 %	of total Revenue
Gas marketing services SOUTHERN Co GAS	3.39 %	of total Revenue

Q1 three months ended (Mar 31 2026)
Revenues by Business Segments	Revenues (in millions $)	% (of total Revenues)
Residential	1,028.00	12.24 %
Commercial	253.00	3.01 %
Industrial	24.00	0.29 %
Other	3.00	0.04 %
Retail electric revenues	4,639.00	55.25 %
Natural gas distribution revenues	1,890.00	22.51 %
Transportation	440.00	5.24 %
Wholesale electric revenues	734.00	8.74 %
PPA energy revenues	496.00	5.91 %
PPA capacity revenues	149.00	1.77 %
Non-PPA revenues	89.00	1.06 %
Other natural gas revenues	284.00	3.38 %
Gas marketing services	281.00	3.35 %
Other revenues	493.00	5.87 %
Other revenue sources	357.00	4.25 %
ALABAMA POWER CO	2,092.00	24.91 %
ALABAMA POWER CO Residential	773.00	9.21 %
ALABAMA POWER CO Commercial	477.00	5.68 %
ALABAMA POWER CO Industrial	414.00	4.93 %
ALABAMA POWER CO Other	3.00	0.04 %
ALABAMA POWER CO Retail electric revenues	1,667.00	19.85 %
ALABAMA POWER CO Wholesale electric revenues	183.00	2.18 %
ALABAMA POWER CO PPA energy revenues	46.00	0.55 %
ALABAMA POWER CO PPA capacity revenues	18.00	0.21 %
ALABAMA POWER CO Non-PPA revenues	119.00	1.42 %
ALABAMA POWER CO Other revenues	78.00	0.93 %
ALABAMA POWER CO Other revenue sources	164.00	1.95 %
GEORGIA POWER CO	3,142.00	37.42 %
GEORGIA POWER CO Residential	1,150.00	13.7 %
GEORGIA POWER CO Commercial	1,104.00	13.15 %
GEORGIA POWER CO Industrial	438.00	5.22 %
GEORGIA POWER CO Other	25.00	0.3 %
GEORGIA POWER CO Retail electric revenues	2,717.00	32.36 %
GEORGIA POWER CO Wholesale electric revenues	152.00	1.81 %
GEORGIA POWER CO PPA energy revenues	64.00	0.76 %
GEORGIA POWER CO PPA capacity revenues	44.00	0.52 %
GEORGIA POWER CO Non-PPA revenues	44.00	0.52 %
GEORGIA POWER CO Other revenues	236.00	2.81 %
GEORGIA POWER CO Other revenue sources	37.00	0.44 %
MISSISSIPPI POWER CO	472.00	5.62 %
MISSISSIPPI POWER CO Residential	80.00	0.95 %
MISSISSIPPI POWER CO Commercial	82.00	0.98 %
MISSISSIPPI POWER CO Industrial	90.00	1.07 %
MISSISSIPPI POWER CO Other	3.00	0.04 %
MISSISSIPPI POWER CO Retail electric revenues	255.00	3.04 %
MISSISSIPPI POWER CO Wholesale electric revenues	194.00	2.31 %
MISSISSIPPI POWER CO PPA energy revenues	4.00	0.05 %
MISSISSIPPI POWER CO PPA capacity revenues	21.00	0.25 %
MISSISSIPPI POWER CO Non-PPA revenues	169.00	2.01 %
MISSISSIPPI POWER CO Other revenues	15.00	0.18 %
MISSISSIPPI POWER CO Other revenue sources	8.00	0.1 %
SOUTHERN POWER CO	681.00	8.11 %
SOUTHERN POWER CO Wholesale electric revenues	519.00	6.18 %
SOUTHERN POWER CO PPA energy revenues	392.00	4.67 %
SOUTHERN POWER CO PPA capacity revenues	83.00	0.99 %
SOUTHERN POWER CO Non-PPA revenues	44.00	0.52 %
SOUTHERN POWER CO Other revenues	4.00	0.05 %
SOUTHERN POWER CO Other revenue sources	158.00	1.88 %
SOUTHERN Co GAS	2,193.00	26.12 %
SOUTHERN Co GAS Natural gas distribution revenues	1,890.00	22.51 %
SOUTHERN Co GAS Residential	1,028.00	12.24 %
SOUTHERN Co GAS Commercial	253.00	3.01 %
SOUTHERN Co GAS Transportation	440.00	5.24 %
SOUTHERN Co GAS Industrial	24.00	0.29 %
SOUTHERN Co GAS Other	3.00	0.04 %
SOUTHERN Co GAS Other natural gas revenues	284.00	3.38 %
SOUTHERN Co GAS Gas marketing services	281.00	3.35 %
SOUTHERN Co GAS Other revenue sources	17.00	0.2 %
Traditional Electric Companies Wholesale revenues affiliates SOUTHERN POWER CO	100.00	1.19 %
Electric Utilities	6,022.00	71.72 %
Traditional Electric Companies	5,482.00	65.29 %
Eliminations	-34.00	-0.4 %
Eliminations SOUTHERN Co GAS	-4.00	-0.05 %
Eliminations Electric Utilities	-141.00	-1.68 %
All Other	218.00	2.6 %
All Other SOUTHERN Co GAS	2.00	0.02 %
Reportable ALABAMA POWER CO	2,092.00	24.91 %
Reportable GEORGIA POWER CO	3,142.00	37.42 %
Reportable MISSISSIPPI POWER CO	472.00	5.62 %
Reportable SOUTHERN POWER CO	681.00	8.11 %
Electric Utilities Eliminations	-141.00	-1.68 %
Gas distribution operations SOUTHERN Co GAS	1,900.00	22.63 %
Gas Pipeline Investments SOUTHERN Co GAS	8.00	0.1 %
Gas marketing services SOUTHERN Co GAS	285.00	3.39 %
Total	8,397.00	100 %

Q1 three months ended (Mar 31 2026)
Revenue Growth rates by Segment	Y/Y Revenue %	Q/Q Revenue %
Residential	21.66 %	-
Commercial	27.14 %	-
Industrial	33.33 %	-
Other	-25 %	-
Retail electric revenues	0.35 %	-
Natural gas distribution revenues	19.62 %	-
Transportation	8.37 %	-
Wholesale electric revenues	15.59 %	-
PPA energy revenues	19.52 %	-
PPA capacity revenues	0 %	-
Non-PPA revenues	25.35 %	-
Other natural gas revenues	9.23 %	-
Gas marketing services	9.77 %	-
Other revenues	0 %	-
Other revenue sources	94.02 %	-
ALABAMA POWER CO	3.98 %	-
ALABAMA POWER CO Residential	-3.98 %	-
ALABAMA POWER CO Commercial	-1.04 %	-
ALABAMA POWER CO Industrial	6.15 %	-
ALABAMA POWER CO Other	0 %	-
ALABAMA POWER CO Retail electric revenues	-0.77 %	-
ALABAMA POWER CO Wholesale electric revenues	21.19 %	-
ALABAMA POWER CO PPA energy revenues	-14.81 %	-
ALABAMA POWER CO PPA capacity revenues	-35.71 %	-
ALABAMA POWER CO Non-PPA revenues	72.46 %	-
ALABAMA POWER CO Other revenues	-6.02 %	-
ALABAMA POWER CO Other revenue sources	67.35 %	-
GEORGIA POWER CO	3.46 %	-
GEORGIA POWER CO Residential	-3.04 %	-
GEORGIA POWER CO Commercial	4.64 %	-
GEORGIA POWER CO Industrial	-1.35 %	-
GEORGIA POWER CO Other	-3.85 %	-
GEORGIA POWER CO Retail electric revenues	0.22 %	-
GEORGIA POWER CO Wholesale electric revenues	15.15 %	-
GEORGIA POWER CO PPA energy revenues	-23.81 %	-
GEORGIA POWER CO PPA capacity revenues	12.82 %	-
GEORGIA POWER CO Non-PPA revenues	388.89 %	-
GEORGIA POWER CO Other revenues	2.61 %	-
GEORGIA POWER CO Other revenue sources	-	-
MISSISSIPPI POWER CO	12.38 %	-
MISSISSIPPI POWER CO Residential	8.11 %	-
MISSISSIPPI POWER CO Commercial	9.33 %	-
MISSISSIPPI POWER CO Industrial	11.11 %	-
MISSISSIPPI POWER CO Other	50 %	-
MISSISSIPPI POWER CO Retail electric revenues	9.91 %	-
MISSISSIPPI POWER CO Wholesale electric revenues	25.97 %	-
MISSISSIPPI POWER CO PPA energy revenues	33.33 %	-
MISSISSIPPI POWER CO PPA capacity revenues	23.53 %	-
MISSISSIPPI POWER CO Non-PPA revenues	26.12 %	-
MISSISSIPPI POWER CO Other revenues	-25 %	-
MISSISSIPPI POWER CO Other revenue sources	-42.86 %	-
SOUTHERN POWER CO	20.11 %	-
SOUTHERN POWER CO Wholesale electric revenues	21.26 %	-
SOUTHERN POWER CO PPA energy revenues	38.03 %	-
SOUTHERN POWER CO PPA capacity revenues	1.22 %	-
SOUTHERN POWER CO Non-PPA revenues	-29.03 %	-
SOUTHERN POWER CO Other revenues	0 %	-
SOUTHERN POWER CO Other revenue sources	17.04 %	-
SOUTHERN Co GAS	19.25 %	-
SOUTHERN Co GAS Natural gas distribution revenues	19.62 %	-
SOUTHERN Co GAS Residential	21.66 %	-
SOUTHERN Co GAS Commercial	27.14 %	-
SOUTHERN Co GAS Transportation	8.37 %	-
SOUTHERN Co GAS Industrial	33.33 %	-
SOUTHERN Co GAS Other	-25 %	-
SOUTHERN Co GAS Other natural gas revenues	9.23 %	-
SOUTHERN Co GAS Gas marketing services	9.77 %	-
SOUTHERN Co GAS Other revenue sources	-	-
Traditional Electric Companies Wholesale revenues affiliates SOUTHERN POWER CO	-13.79 %	-
Electric Utilities	4.64 %	-
Traditional Electric Companies	3.22 %	-
Eliminations	-	-
Eliminations SOUTHERN Co GAS	-	-
Eliminations Electric Utilities	-	-
All Other	-4.8 %	-
All Other SOUTHERN Co GAS	-50 %	-
Reportable ALABAMA POWER CO	3.98 %	-
Reportable GEORGIA POWER CO	3.46 %	-
Reportable MISSISSIPPI POWER CO	12.38 %	-
Reportable SOUTHERN POWER CO	20.11 %	-
Electric Utilities Eliminations	-	-
Gas distribution operations SOUTHERN Co GAS	21.02 %	-
Gas Pipeline Investments SOUTHERN Co GAS	0 %	-
Gas marketing services SOUTHERN Co GAS	9.2 %	-
Total	-	-

Q1 three months ended (Mar 31 2026)
Income by Business Segments	Income (in millions $)	% (Profit Margin)
SOUTHERN POWER CO	4.00	0.59 %
SOUTHERN Co GAS	447.00	20.38 %
Electric Utilities	1,117.00	18.55 %
Traditional Electric Companies	1,113.00	20.3 %
Eliminations	6.00	-
All Other	-214.00	-
Total	1,338.00	15.93 %

Q1 three months ended (Mar 31 2026)
Income Growth rates by Segment	Y/Y Income %	Q/Q Income %
SOUTHERN POWER CO	-95.4 %	-
SOUTHERN Co GAS	6.94 %	-
Electric Utilities	0.36 %	-
Traditional Electric Companies	8.48 %	-
Eliminations	-33.33 %	-
All Other	-	-
Total	-	-

Annual Report on The Southern Company Divisions, Sales by Country


Residential	7.32 %	of total Revenue
Commercial	1.78 %	of total Revenue
Industrial	0.15 %	of total Revenue
Other	0.04 %	of total Revenue
Retail electric revenues	66.88 %	of total Revenue
Natural gas distribution revenues	15.07 %	of total Revenue
Transportation	4.82 %	of total Revenue
Wholesale electric revenues	9.95 %	of total Revenue
PPA energy revenues	4.84 %	of total Revenue
PPA capacity revenues	2.16 %	of total Revenue
Non-PPA revenues	1.01 %	of total Revenue
Other natural gas revenues	1.97 %	of total Revenue
Gas marketing services	1.93 %	of total Revenue
Other revenues	6.01 %	of total Revenue
Other revenue sources	2.07 %	of total Revenue
Electric Utilities	80.46 %	of total Revenue
Southern Company Gas	17.07 %	of total Revenue
Southern Company Gas Alternative revenue programs	-0.18 %	of total Revenue
Alabama Power	27.87 %	of total Revenue
Alabama Power Retail electric revenues	23.67 %	of total Revenue
Alabama Power Residential	10.86 %	of total Revenue
Alabama Power Commercial	7.01 %	of total Revenue
Alabama Power Industrial	5.77 %	of total Revenue
Alabama Power Other	0.03 %	of total Revenue
Alabama Power Wholesale electric revenues	1.95 %	of total Revenue
Alabama Power PPA energy revenues	0.84 %	of total Revenue
Alabama Power PPA capacity revenues	0.45 %	of total Revenue
Alabama Power Non-PPA revenues	0.66 %	of total Revenue
Alabama Power Other revenues	0.9 %	of total Revenue
Alabama Power Other revenue sources	1.35 %	of total Revenue
Georgia Power	42.74 %	of total Revenue
Georgia Power Retail electric revenues	39.7 %	of total Revenue
Georgia Power Residential	17.14 %	of total Revenue
Georgia Power Commercial	15.5 %	of total Revenue
Georgia Power Industrial	6.71 %	of total Revenue
Georgia Power Other	0.35 %	of total Revenue
Georgia Power Wholesale electric revenues	1.54 %	of total Revenue
Georgia Power PPA energy revenues	0.83 %	of total Revenue
Georgia Power PPA capacity revenues	0.49 %	of total Revenue
Georgia Power Non-PPA revenues	0.22 %	of total Revenue
Georgia Power Other revenues	2.72 %	of total Revenue
Georgia Power Other revenue sources	-1.23 %	of total Revenue
Mississippi Power	5.74 %	of total Revenue
Mississippi Power Retail electric revenues	3.51 %	of total Revenue
Mississippi Power Residential	1.11 %	of total Revenue
Mississippi Power Commercial	1.16 %	of total Revenue
Mississippi Power Industrial	1.21 %	of total Revenue
Mississippi Power Other	0.03 %	of total Revenue
Mississippi Power Wholesale electric revenues	1.92 %	of total Revenue
Mississippi Power PPA energy revenues	0.04 %	of total Revenue
Mississippi Power PPA capacity revenues	0.23 %	of total Revenue
Mississippi Power Non-PPA revenues	1.64 %	of total Revenue
Mississippi Power Other revenues	0.19 %	of total Revenue
Mississippi Power Other revenue sources	0.13 %	of total Revenue
Southern Power	7.44 %	of total Revenue
Southern Power Wholesale electric revenues	5.22 %	of total Revenue
Southern Power PPA energy revenues	3.27 %	of total Revenue
Southern Power PPA capacity revenues	1.2 %	of total Revenue
Southern Power Non-PPA revenues	0.74 %	of total Revenue
Southern Power Other revenues	0.06 %	of total Revenue
Southern Power Other revenue sources	2.16 %	of total Revenue
Southern Company Gas Natural gas distribution revenues	15.07 %	of total Revenue
Southern Company Gas Residential	7.32 %	of total Revenue
Southern Company Gas Commercial	1.78 %	of total Revenue
Southern Company Gas Transportation	4.82 %	of total Revenue
Southern Company Gas Industrial	0.15 %	of total Revenue
Southern Company Gas Other	0.04 %	of total Revenue
Southern Company Gas Other natural gas revenues	1.97 %	of total Revenue
Southern Company Gas Gas marketing services	1.93 %	of total Revenue
Southern Company Gas Other revenue sources	0.03 %	of total Revenue
Wholesale revenues affiliates Southern Power	1.48 %	of total Revenue
Electric Utilities Retail electric revenues	65.41 %	of total Revenue
Electric Utilities Wholesale electric revenues	9.95 %	of total Revenue
Electric Utilities Other	5.1 %	of total Revenue
Reportable Southern Power	7.44 %	of total Revenue

Twelve months ended 2025
SO s Annual Revenue by Geography and Business Segments	Sales (in millions $)	% (of total Sales)
Residential	2,164.00	7.32 %
Commercial	527.00	1.78 %
Industrial	44.00	0.15 %
Other	12.00	0.04 %
Retail electric revenues	19,764.00	66.88 %
Natural gas distribution revenues	4,454.00	15.07 %
Transportation	1,424.00	4.82 %
Wholesale electric revenues	2,941.00	9.95 %
PPA energy revenues	1,430.00	4.84 %
PPA capacity revenues	637.00	2.16 %
Non-PPA revenues	299.00	1.01 %
Other natural gas revenues	581.00	1.97 %
Gas marketing services	569.00	1.93 %
Other revenues	1,777.00	6.01 %
Other revenue sources	611.00	2.07 %
Electric Utilities	23,777.00	80.46 %
Total	29,553.00	100 %
Southern Company Gas	5,044.00	17.07 %
Southern Company Gas Alternative revenue programs	-53.00	-0.18 %
Alabama Power	8,235.00	27.87 %
Alabama Power Retail electric revenues	6,994.00	23.67 %
Alabama Power Residential	3,209.00	10.86 %
Alabama Power Commercial	2,071.00	7.01 %
Alabama Power Industrial	1,704.00	5.77 %
Alabama Power Other	10.00	0.03 %
Alabama Power Wholesale electric revenues	576.00	1.95 %
Alabama Power PPA energy revenues	248.00	0.84 %
Alabama Power PPA capacity revenues	134.00	0.45 %
Alabama Power Non-PPA revenues	194.00	0.66 %
Alabama Power Other revenues	265.00	0.9 %
Alabama Power Other revenue sources	400.00	1.35 %
Georgia Power	12,631.00	42.74 %
Georgia Power Retail electric revenues	11,734.00	39.7 %
Georgia Power Residential	5,064.00	17.14 %
Georgia Power Commercial	4,582.00	15.5 %
Georgia Power Industrial	1,984.00	6.71 %
Georgia Power Other	104.00	0.35 %
Georgia Power Wholesale electric revenues	455.00	1.54 %
Georgia Power PPA energy revenues	245.00	0.83 %
Georgia Power PPA capacity revenues	146.00	0.49 %
Georgia Power Non-PPA revenues	64.00	0.22 %
Georgia Power Other revenues	805.00	2.72 %
Georgia Power Other revenue sources	-363.00	-1.23 %
Mississippi Power	1,695.00	5.74 %
Mississippi Power Retail electric revenues	1,036.00	3.51 %
Mississippi Power Residential	328.00	1.11 %
Mississippi Power Commercial	342.00	1.16 %
Mississippi Power Industrial	357.00	1.21 %
Mississippi Power Other	9.00	0.03 %
Mississippi Power Wholesale electric revenues	566.00	1.92 %
Mississippi Power PPA energy revenues	13.00	0.04 %
Mississippi Power PPA capacity revenues	69.00	0.23 %
Mississippi Power Non-PPA revenues	484.00	1.64 %
Mississippi Power Other revenues	55.00	0.19 %
Mississippi Power Other revenue sources	38.00	0.13 %
Southern Power	2,198.00	7.44 %
Southern Power Wholesale electric revenues	1,542.00	5.22 %
Southern Power PPA energy revenues	966.00	3.27 %
Southern Power PPA capacity revenues	356.00	1.2 %
Southern Power Non-PPA revenues	220.00	0.74 %
Southern Power Other revenues	18.00	0.06 %
Southern Power Other revenue sources	638.00	2.16 %
Southern Company Gas Natural gas distribution revenues	4,454.00	15.07 %
Southern Company Gas Residential	2,164.00	7.32 %
Southern Company Gas Commercial	527.00	1.78 %
Southern Company Gas Transportation	1,424.00	4.82 %
Southern Company Gas Industrial	44.00	0.15 %
Southern Company Gas Other	12.00	0.04 %
Southern Company Gas Other natural gas revenues	581.00	1.97 %
Southern Company Gas Gas marketing services	569.00	1.93 %
Southern Company Gas Other revenue sources	9.00	0.03 %
Wholesale revenues affiliates Southern Power	437.00	1.48 %
Electric Utilities Retail electric revenues	19,331.00	65.41 %
Electric Utilities Wholesale electric revenues	2,940.00	9.95 %
Electric Utilities Other	1,506.00	5.1 %
Reportable Southern Power	2,198.00	7.44 %

Twelve months ended 2025
SO s Annual Income by Country and Business Segments	Income (in millions $)	% (Profit Margin)
Total	4,171.00	14.11 %

Twelve months ended 2025
Annual Revenue and Income Growth by Country and Business Segments	% Y/Y Sales Growth	% Y/Y Income Growth
Residential	23.45 %	-
Commercial	26.38 %	-
Industrial	29.41 %	-
Other	-33.33 %	-
Retail electric revenues	4.7 %	-
Natural gas distribution revenues	16.75 %	-
Transportation	9.96 %	-
Wholesale electric revenues	20.98 %	-
PPA energy revenues	35.03 %	-
PPA capacity revenues	-0.62 %	-
Non-PPA revenues	32.3 %	-
Other natural gas revenues	10.67 %	-
Gas marketing services	12.23 %	-
Other revenues	9.62 %	-
Other revenue sources	-	-
Electric Utilities	10.06 %	-
Southern Company Gas	13.2 %	-
Southern Company Gas Alternative revenue programs	-	-
Alabama Power	9.02 %	-
Alabama Power Retail electric revenues	0.92 %	-
Alabama Power Residential	2.43 %	-
Alabama Power Commercial	1.42 %	-
Alabama Power Industrial	-2.18 %	-
Alabama Power Other	-23.08 %	-
Alabama Power Wholesale electric revenues	27.15 %	-
Alabama Power PPA energy revenues	20.39 %	-
Alabama Power PPA capacity revenues	24.07 %	-
Alabama Power Non-PPA revenues	39.57 %	-
Alabama Power Other revenues	10.42 %	-
Alabama Power Other revenue sources	-	-
Georgia Power	11.47 %	-
Georgia Power Retail electric revenues	7.02 %	-
Georgia Power Residential	4.74 %	-
Georgia Power Commercial	8.6 %	-
Georgia Power Industrial	9.73 %	-
Georgia Power Other	1.96 %	-
Georgia Power Wholesale electric revenues	93.62 %	-
Georgia Power PPA energy revenues	160.64 %	-
Georgia Power PPA capacity revenues	7.35 %	-
Georgia Power Non-PPA revenues	1180 %	-
Georgia Power Other revenues	11.65 %	-
Georgia Power Other revenue sources	-	-
Mississippi Power	15.86 %	-
Mississippi Power Retail electric revenues	5.39 %	-
Mississippi Power Residential	6.49 %	-
Mississippi Power Commercial	5.56 %	-
Mississippi Power Industrial	4.39 %	-
Mississippi Power Other	0 %	-
Mississippi Power Wholesale electric revenues	28.05 %	-
Mississippi Power PPA energy revenues	225 %	-
Mississippi Power PPA capacity revenues	9.52 %	-
Mississippi Power Non-PPA revenues	29.07 %	-
Mississippi Power Other revenues	5.77 %	-
Mississippi Power Other revenue sources	-	-
Southern Power	9.14 %	-
Southern Power Wholesale electric revenues	9.52 %	-
Southern Power PPA energy revenues	24.16 %	-
Southern Power PPA capacity revenues	-11 %	-
Southern Power Non-PPA revenues	-4.35 %	-
Southern Power Other revenues	-51.35 %	-
Southern Power Other revenue sources	12.13 %	-
Southern Company Gas Natural gas distribution revenues	16.75 %	-
Southern Company Gas Residential	23.45 %	-
Southern Company Gas Commercial	26.38 %	-
Southern Company Gas Transportation	9.96 %	-
Southern Company Gas Industrial	29.41 %	-
Southern Company Gas Other	-33.33 %	-
Southern Company Gas Other natural gas revenues	10.67 %	-
Southern Company Gas Gas marketing services	12.23 %	-
Southern Company Gas Other revenue sources	-92.24 %	-
Wholesale revenues affiliates Southern Power	17.79 %	-
Electric Utilities Retail electric revenues	8.66 %	-
Electric Utilities Wholesale electric revenues	20.94 %	-
Electric Utilities Other	8.97 %	-
Reportable Southern Power	9.14 %	-

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