Southern Company is a major US electric utility and energy supplier headquartered in Atlanta, Georgia, serving millions of customers across the Southeast.
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Southern Company operates a fossil-fuel dependent grid with 79 million tonnes of annual Scope 1 emissions. It systematically obstructed US climate policy, funded climate denial, and maintains trade association memberships opposing regulation. Targets are unvalidated and misaligned with 1.5°C science; Scope 3 lacks any reduction commitment.
Southern Company scores 25/100 (Significant gaps) on SINK's independent climate assessment, scored from public data only. Fees pay for the review, never the result. Last verified May 2026.
That places Southern Company joint 728th of 847 companies scored, and joint 19th of 20 in Energy Supply / Utilities.
Southern Company is tied at the bottom of the energy supply / utilities pack.
Among the 20 major energy supply / utilities brands we've scored, Southern Company is tied =19th of 20, with 1 other.
Its three lowest-scoring questions, and what the evidence didn't show.
Board member of NAM and US Chamber of Commerce, both opposing climate policy.
No TNFD-aligned disclosure or quantified nature footprint found.
Southern Company set 50% Scope 1 reduction by 2030 (from 2007) and net zero by 2050, neither validated by SBTi.
A score changes when the evidence does. We use new published evidence at the next rescore. Evidence that isn't public can count through an evidence review.
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Get in touch →Strongest on Carbon Footprint — Operations and Water Impact (7/10, 5/10). Weakest on Controversies & Red Flags and Nature & Biodiversity Impact (0/10, 2/10).
The 3 companies in the sector scoring nearest above Southern Company.
Scored as the Eesti Energia GROUP — the oil-shale electricity generation and shale-oil business (Enefit Power) consolidated with the renewables subsidiary (Enefit Green), not Enefit Green alone (which would score far higher in isolation).
See the breakdown →British Gas operates as a major energy supplier with significant fossil fuel assets through parent company Centrica.
See the breakdown →NextEra Energy is the world's largest renewable generator but operates as a fossil-fuel utility with no climate targets after abandoning its 2045 goal in 2025.
See the breakdown →The formula and all 11 sources.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × Scale11 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
If you believe a source has been misread or a newer version exists, submit a challenge.
Southern Company is a major US electric utility and energy supplier headquartered in Atlanta, Georgia, serving millions of customers across the Southeast. The company operates coal, natural gas, nuclear, and renewable generation assets alongside gas distribution and competitive energy businesses. It is one of the largest utilities by market capitalization in North America.
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