ticker: SO
step: 01
generated: 2026-05-12
source: quick-research
The Southern Company (SO) — Business Overview
Business Description
Southern Company is one of the largest US electric utility holding companies, serving 9M+ customers across Georgia, Alabama, Mississippi (electric) and Georgia/Illinois/Virginia/Tennessee (natural gas). Southern owns the largest US nuclear power station (Vogtle 1-4, 4,536 MW after completing Units 3 + 4 in 2024). The 2026 thesis: nuclear-powered utility uniquely positioned for the Southeast data center buildout — 75 GW potential pipeline + 11 GW already contracted. CEO Chris Womack (since 2023, succeeded Tom Fanning).
Revenue Model
- Electric Utilities (~80% of revenue): Georgia Power (largest), Alabama Power, Mississippi Power
- Natural Gas Distribution (~13%): Southern Company Gas (Atlanta Gas Light, Nicor Gas, Virginia Natural Gas, Chattanooga Gas)
- Power Generation + Other (~7%): Southern Power (independent power), PowerSecure (distributed generation)
- Regulated rate-base utility — predictable cash flow + multi-year capex visibility
Products & Services
Electric Utilities
- Georgia Power: Largest subsidiary; 2.7M customers
- Alabama Power: 1.5M customers
- Mississippi Power: 192K customers
- Generation mix: Natural gas, nuclear (Vogtle), coal (declining), renewables, hydro
Nuclear Generation
- Plant Vogtle Units 1-4: Largest US nuclear station, 4,536 MW
- Units 3 + 4 (AP1000): Completed 2024 ($30B+ project)
- Planning additional nuclear capacity: Georgia Power exploring next nuclear projects
Natural Gas Distribution
- Atlanta Gas Light, Nicor Gas (Illinois), Virginia Natural Gas, Chattanooga Gas
- 4.4M+ gas customers
Southern Power
- Independent power producer
- Wind + solar + battery storage development
- Contracted PPAs with utilities/corporates
Customer Base & Go-to-Market
- Residential customers: ~9M across electric + gas
- Commercial + Industrial: Growing data center base (key catalyst)
- Data center pipeline: 11 GW under contract + 75 GW interest pipeline
- Geographic mix: Southeast US-only (regulated franchise areas)
Competitive Position
SO is one of the largest US electric utilities by market cap (~$120B). Moats: (1) regulated monopoly territories in growing Southeast US, (2) nuclear baseload (Vogtle) provides 24/7 dispatchable carbon-free power critical for AI data centers, (3) supportive Georgia + Alabama PSCs allow recovery of large capital investments, (4) 75 GW data center pipeline = multi-year load growth tailwind. Competitors: NextEra (renewables), Duke Energy (large utility), Dominion Energy (Virginia data center exposure), Exelon (nuclear).
Key Facts
- Founded: 1945
- Headquarters: Atlanta, GA
- Employees: ~28,000
- Exchange: NYSE
- Sector / Industry: Utilities / Multi-Utilities
- Market Cap: ~$120B (May 2026)
- Chairman, President, CEO: Christopher C. Womack (since 2023)
- Dividend: $2.96 annual ($0.74 quarterly)
- 23+ consecutive years of dividend growth (Dividend Aristocrat)
- 2026-2030 CapEx Plan: $81B
- Nuclear Generation: 4,536 MW (largest US)