Southern Co
17 facilities · 4 states · 24.4M lbs total releases
According to the EPA Toxics Release Inventory, Southern Co is the reported parent of 17 Form R facilities across 4 states, disclosing 24.4M lbs of toxic releases. 13 of 161 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Alabama (14.4M lbs). Those TRI figures remain self-reported disclosure pounds for Southern Co, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Southern Co: EPA TRI 2023 reporting year
Same facilities, both years
-46.9%
12 facilities that filed in 2022 and 2023
Whole inventory
-46.9%
5.9 million lb → 3.1 million lb, every facility that filed
Between the two reporting years, 0 facilities filed for the first time and 3 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Southern Co's total reported releases fell from 5.9 million lb in 2022 to 3.1 million lb in 2023, based on EPA TRI filings.
- Southern Co's water releases rose from 45.5 thousand lb in 2022 to 97.4 thousand lb in 2023, based on EPA TRI filings.
- Southern Co's off-site transfers fell from 2.3 million lb in 2022 to 131.3 thousand lb in 2023, based on EPA TRI filings.
- Southern Co's air releases fell from 3.2 million lb in 2022 to 2.6 million lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Southern Co from filing to facility
Largest Form R sites under this parent: Miller Steam Plant; Barry Steam Plant; Bowen Steam Electric Generating Plant; McDonough/atkinson Steam Electric Generating Plant. Neighbor parents on the disclosure ladder: Waste Management Inc; Koch Inc.; Smurfit Westrock U.S. Holding Co; Nucor Corp. Largest disclosed chemicals by pounds: Ammonia; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium And Barium Compounds; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). Heaviest-reporting states in this extract: Alabama; Georgia; Mississippi. Industry labels on the parent rollup: Electric Utilities. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Miller Steam Plant; Barry Steam Plant; Bowen Steam Electric Generating Plant; McDonough/atkinson Steam Electric Generating Plant. Neighbor parents on the disclosure ladder: Waste Management Inc; Koch Inc.; Smurfit Westrock U.S. Holding Co; Nucor Corp. Largest disclosed chemicals by pounds: Ammonia; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium And Barium Compounds; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size). Heaviest-reporting states in this extract: Alabama; Georgia; Mississippi. Industry labels on the parent rollup: Electric Utilities.
Southern Co ranks #78 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Southern Co files across 4 states, a regional parent portfolio rather than a single-state discloser. Southern Co's disclosed pounds are spread across 17 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Southern Co follows facility-reported names. Compare the named neighbors (Waste Management Inc; Koch Inc.; Smurfit Westrock U.S. Holding Co) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Southern Co sits among TRI parents
Southern Co sits on a disclosure ladder beside Waste Management Inc and Koch Inc. and Smurfit Westrock U.S. Holding Co and Nucor Corp. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Waste Management Inc · rank #76 · 95.6M lbs
- Koch Inc. · rank #77 · 45.8M lbs
Lower disclosed volume
- Smurfit Westrock U.S. Holding Co · rank #79 · 11.8M lbs
- Nucor Corp · rank #80 · 11.5M lbs
Largest chemicals disclosed by Southern Co
Ammonia; Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Barium And Barium Compounds; Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) lead the Form R pound rollup for this parent, including filings such as Miller Steam Plant. Pound totals, not toxicity-weighted risk.
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Alabama | 6 | 14.4M lbs |
| Georgia | 8 | 8.4M lbs |
| Mississippi | 1 | 1.3M lbs |
| North Carolina | 2 | 375.0K lbs |
Facilities (17)
| Facility | Releases |
|---|---|
| Miller Steam Plant Quinton, AL | 8.0M lbs |
| Barry Steam Plant Bucks, AL | 4.8M lbs |
| Bowen Steam Electric Generating Plant Cartersville, GA | 3.3M lbs |
| McDonough/atkinson Steam Electric Generating Plant Atlanta, GA | 3.0M lbs |
| McIntosh Electric Generating Plant Rincon, GA | 2.1M lbs |
| Mississippi Power Co - Plant Daniel Moss Point, MS | 1.3M lbs |
| E. C. Gaston Electric Generating Plant Wilsonville, AL | 1.1M lbs |
| Gorgas Steam Plant Parrish, AL | 435.4K lbs |
| Southern Co Rowan County Power Plant Salisbury, NC | 375.0K lbs |
| Hammond Steam Electric Generating Plant Rome, GA | 24.2K lbs |
| Calhoun Generating Facility Eastaboga, AL | 13 lbs |
| Greene County Steam Plant Forkland, AL | 0 lbs |
| Dahlberg Electric Generating Plant Nicholson, GA | 0 lbs |
| Edward L Addison Generating Plant Thomaston, GA | 0 lbs |
| Cleveland County Generating Facility Kings Mountain, NC | 0 lbs |
| McManus Steam Electric Generating Plant Brunswick, GA | 0 lbs |
| Southern Nuclear - Plant Wilson/vogtle Waynesboro, GA | 0 lbs |
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Southern Co on total disclosed release pounds (24.4M lbs) and reporting facility count (17). Release-volume peers include Domtar Corp, Phillips 66, Basin Electric Power Cooperative. Facility-count peers include Amphenol Corp, Baker Hughes Holdings LLC, Hb Fuller Co. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Alabama, Georgia, Mississippi; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Southern Co's TRI parent record
From Southern Co, open Miller Steam Plant or compare against Waste Management Inc rather than reading rank alone.
- Open the largest Form R site for Southern Co (Miller Steam Plant in AL). Largest facility
- Compare against Koch Inc., the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Southern Co sits among all slug-merged TRI parents. All parent companies
Rank and peers (Waste Management Inc, Koch Inc.) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Southern Co's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.