Southern Company Gas

What Southern Company Gas does

Southern Company Gas is one of the largest natural gas-only distribution companies in the United States, operating as a wholly owned subsidiary of Southern Company (NYSE: SO). The company distributes natural gas to approximately 4.4 million utility customers through four state-regulated local distribution companies — Atlanta Gas Light in Georgia, Nicor Gas in Illinois, Chattanooga Gas in Tennessee, and Virginia Natural Gas in Virginia — and serves an additional 600,000 retail customers in deregulated markets through SouthStar Energy Services and its sub-brands (Georgia Natural Gas, Florida Natural Gas, Ohio Natural Gas, Pennsylvania Energy, Illinois Energy, Illinois Energy Solutions, and Grand Rapids Energy). Operational roots trace to 1855 when Atlanta Gas Light first supplied gas to Atlanta, making it the oldest corporation in Georgia; the modern entity was formed in 2016 when Southern Company acquired AGL Resources Inc. and rebranded it as Southern Company Gas.

Name

Southern Company Gas

Legal name

Southern Company Gas

Website

https://southerncompanygas.com

Company type

Public

Founded year

2016

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Southern Company Gas is a wholly owned subsidiary of Southern Company (NYSE: SO) that distributes natural gas to 4.4 million utility customers across four regulated states and serves 600,000 retail customers in deregulated markets via local distribution companies and retail brands.

Ownership category

akta.pro rank

Product category

Natural Gas Utility Distribution

NAICS

Natural Gas Distribution (22121), Natural Gas Distribution (2212), Fuel Dealers (457210)

SIC

Natural Gas Distribution (4924), Natural Gas Transmission (4922), Gas & Other Services Combined (4932)

akta.pro primary industry

Residential Natural Gas Sales & Customer Growth (EUAAADAD)

akta.pro secondary industries

Competitive Retail Natural Gas Supply (Residential & SMB) (EUAGABAC), C&I Retail Natural Gas Supply (EUAGACAB), CNG/LNG Refueling for Industrial Fleets (Private Stations, Yard Fueling) (EUALALAK), Commercial & Industrial (C&I) Natural Gas Sales (EUAAADAC), Aggregator/Brokered Natural Gas Sales (Brokers, Marketers, Aggregators) (EUAAADAF)

Keywords

• Natural gas distribution
• Natural gas utility
• Retail gas marketing
• Pipeline transportation
• Renewable natural gas

Headquarters

HQ city

Atlanta

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Infrastructure, Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Natural Gas Utility Distribution: Regulated natural gas distribution through four state-based local distribution companies (Atlanta Gas Light, Nicor Gas, Chattanooga Gas, Virginia Natural Gas) serving 4.4 million customers. Revenue derived from regulated rates approved by state utility commissions.
2. Natural Gas Retail Marketing: Natural gas marketing through SouthStar Energy Services brands serving approximately 600,000 retail customers in deregulated markets including Georgia, Florida, Ohio, Pennsylvania, Illinois, and Michigan.
3. Pipeline Investments: Investments in interstate pipelines including joint venture ownership of Southern Natural Gas (50%). Earns FERC-regulated returns on long-term contracted pipeline capacity.
4. Asset Management: Asset management services for natural gas wholesale customers and ownership/operation of natural gas storage facilities.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Southern Company Gas distributes and markets natural gas to residential, commercial, and industrial customers through four regulated local distribution companies (Atlanta Gas Light, Nicor Gas, Chattanooga Gas, Virginia Natural Gas) serving 4.4 million utility customers, and through SouthStar Energy Services retail brands serving approximately 600,000 retail customers in deregulated markets. The company also invests in interstate pipelines and develops renewable natural gas projects.

Product overview

Southern Company Gas is a natural gas utility holding company operating a portfolio of regulated distribution utilities and retail marketing brands. The company serves approximately 4.4 million natural gas utility customers through four regulated distribution companies (Atlanta Gas Light in Georgia, Chattanooga Gas in Tennessee, Nicor Gas in Illinois, and Virginia Natural Gas in Virginia), and approximately 600,000 retail customers through SouthStar Energy Services and its subsidiary brands (Georgia Natural Gas, Florida Natural Gas, Ohio Natural Gas, Pennsylvania Energy, Illinois Energy, Illinois Energy Solutions, and Grand Rapids Energy). The company also invests in interstate pipelines including Southern Natural Gas (50% joint venture), Dalton, Horizon, and Magnolia. Core offerings include natural gas distribution and delivery, retail natural gas marketing with various rate plans (fixed, variable, and flat-bill options), Greener Life carbon offset programs, natural gas vehicle infrastructure (CNG stations), energy efficiency rebate programs, renewable natural gas projects, and workforce development initiatives. The portfolio spans regulated utility operations with regulated returns and non-utility retail marketing businesses in deregulated markets.

Differentiator

Problem solved

Functional benefit

Products and services

• Atlanta Gas Light Regulated natural gas distribution utility serving more than 1.6 million customers in Georgia. Operates and maintains natural gas pipes, reads meters, and distributes natural gas to certified marketers.
• Nicor Gas Regulated natural gas distribution utility serving 2.3 million customers in Northern Illinois. Operates and maintains natural gas pipes, reads meters, and distributes natural gas to certified marketers.
• Chattanooga Gas Regulated natural gas distribution utility providing retail natural gas sales and transportation services to approximately 69,000 customers in the Chattanooga, Tennessee area.
• Virginia Natural Gas Regulated natural gas distribution utility serving more than 310,000 residential, commercial and industrial customers in southeastern Virginia.
• SouthStar Energy Services Natural gas marketing company offering competitively priced and reliable natural gas products and services to residential, small/medium business, enterprise, large commercial and industrial, and CNG station developer or fleet customers across multiple states. Serves over 650,000 customers.
• Georgia Natural Gas Retail natural gas marketing brand serving Georgia customers with various rate plans including fixed-rate, variable, and Greener Life carbon offset program.
• Florida Natural Gas Natural gas provider serving commercial and residential customers in Florida, including Miami, Orlando, Tampa, and Jacksonville. Offers fixed, variable and hybrid rate plans for businesses of all sizes.
• Pipeline Investments Interstate pipeline projects including Southern Natural Gas (50% joint venture), Dalton, Horizon, and Magnolia that provide for future growth and supply in service territories. Long-term contracts with utilities earning FERC-regulated returns.
• Greener Life Carbon Neutral Program Optional carbon offset program that helps customers reduce their carbon footprint by using carbon offsets to balance natural gas usage emissions, making usage carbon neutral.
• Natural Gas Vehicle (CNG) Services Compressed natural gas (CNG) fueling infrastructure and services including CNG station development for customer fleets and public access stations. Also offers Natural Gas Vehicle equipment information and fleet conversion support.
• Renewable Natural Gas (RNG) Project Biogas processed to meet pipeline-quality standards, produced from wastewater treatment plants, landfills, and farms. Virginia RNG project will produce more than 200,000 MMBtu of pipeline-quality gas annually, enough to heat roughly 5,000 homes.

Quantifiable outcome

• Net zero Scope 1 greenhouse gas emissions goal by 2050
• +3 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Three partnerships are on record, tiered core and minor.

• HRSD (Hampton Roads Sanitation District)coreStrategic or Co-development Partner · 5 February 2026Virginia Natural Gas and HRSD partnership to transform wastewater byproduct into renewable natural gas (RNG). Project at HRSD's Atlantic Treatment Plant in Virginia Beach represents $31 million investment and will produce over 200,000 MMBtu of pipeline-quality gas annually. Construction expected to begin later in 2026 with facility operational in 2027.
• Heating Energy Assistance Team (HEAT)coreStrategic or Co-development Partner · 19 November 2025Georgia Natural Gas partnered with HEAT to provide $250,000 grant to support Atlanta and Georgia communities during 2025/2026 winter heating season. Partnership includes direct bill-payment assistance, emergency interventions for eligible households, and enrollment support to connect families with available help.
• Dawson County Parks and RecreationminorStrategic or Co-development Partner · 28 May 2025Atlanta Gas Light collaboration to enhance local wildlife habitats through donation of eight bat houses and two tubular bat roosts. Part of broader conservation efforts supporting bat habitat creation and research across multiple states.

Scale indicators10 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Sempra: Sempra is the parent of SoCalGas and San Diego Gas & Electric — a major US natural gas distribution incumbent with California-scale operations, comparable in customer-base size to Southern Company Gas's four-state footprint.
• DTE Energy: DTE Energy operates Michigan natural gas distribution alongside electric utility and gas storage/pipeline businesses, providing a multi-vertical gas utility comparable for benchmarking.

Direct peers

• National Fuel Gas Company: National Fuel Gas is an integrated natural gas company spanning production, pipeline, storage, and distribution in New York and Pennsylvania — analogous to Southern Company Gas's pipeline investment and LDC operations.
• Southwest Gas Holdings: Southwest Gas Holdings operates a natural gas distribution utility serving Arizona, Nevada, and California, plus a pipeline business — directly comparable to Southern Company Gas's LDC-plus-pipeline mix.
• CenterPoint Energy: CenterPoint Energy operates regulated natural gas distribution utilities across multiple states (Indiana, Ohio, Minnesota, Texas, Louisiana, Mississippi) alongside electric operations, making it a large multi-state gas LDC peer.
• Spire Inc. Spire operates regulated natural gas distribution utilities (Spire Missouri, Spire Alabama, Spire STL Pipeline) plus gas marketing — closely mirroring Southern Company Gas's regulated-plus-marketing portfolio structure.
• New Jersey Resources: NJR operates New Jersey Natural Gas (regulated distribution) plus clean energy ventures and a wholesale/midstream business, with a retail marketing arm — a comparable regulated-plus-marketing gas utility.
• ONE Gas Inc. ONE Gas is a pure-play natural gas distribution utility serving Oklahoma, Kansas, and Texas with over 2.3 million customers, providing a focused LDC comparable to Southern Company Gas's regulated utilities.
• Atmos Energy Corporation: Atmos Energy is the largest pure-play natural gas distribution utility in the US, serving over 3 million customers across more than 40 states — a direct regulated-LDC comparable to Southern Company Gas's four state franchises.
• NiSource Inc. NiSource operates Columbia Gas across multiple states with both regulated gas distribution and electric businesses, making it one of the closest multi-state natural gas distribution comparables to Southern Company Gas.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/SouthernCoGas
• YouTubeyoutube.com/channel/UCr5g6fK4MhtzW4SEM1T_3OQ
• Facebookfacebook.com/SouthernCoGas
• LinkedInlinkedin.com/company/southern-company-gas
• Instagraminstagram.com/southerncogas

Revenue estimate

Valuation estimate

Number of profiles

Profiles21 records

Subsidiaries13 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Southern Company Gas