EPA GHGRP · state profile · SC
South Carolina - GHG emissions
According to the EPA's Greenhouse Gas Reporting Program (GHGRP), corporate greenhouse-gas emissions reported across South Carolina, by company and facility.
- among states
- #27
- Total CO₂e - Large emitter
- 36.7M MT
- Facilities
- 117
- Companies
- 67
- Avg / facility - High intensity
- 314K MT
Data updated May 2026
South Carolina reports 36.7M MT CO₂e from 117 EPA GHGRP facilities and 67 parent companies (#27 of 54 U.S. states by aggregated facility CO₂e), led by SOUTH CAROLINA PUBLIC SERVICE AUTHORITY at 14.1M MT (~38% of the state total).
- #27 of 54 states
- SOUTH CAROLINA PUBLIC SERVICE AUTHORITY 38.4% of state
- 1.4% of U.S. GHGRP total
- Avg 314K MT per facility · May 2026
In-state concentration desk
SOUTH CAROLINA PUBLIC SERVICE AUTHORITY accounts for 38.4% of reported South Carolina CO₂e (14.1M MT of 36.7M MT). The top three in-state reporters hold 69.7% (SOUTH CAROLINA PUBLIC SERVICE AUTHORITY; DOMINION ENERGY; DUKE ENERGY). Shares use EPA GHGRP facilities sited in SC only, not each parent's company-wide total.
- South Carolina is 1.4% of the 2.57B MT U.S. GHGRP facility rollup across 54 jurisdictions.
- Leading EPA sector by CO₂e: Power Plants at 68.5% (25.1M MT across 22 facilities) - orthogonal to the facility-count sector mix below.
- Trails Virginia by 185K MT on the same state ranking.
- Leads Minnesota by 1.8M MT on the same state ranking.
South Carolina vs all states by reported GHGRP CO₂e
Where this state's aggregated facility Scope 1 sits among every state and territory in the EPA GHGRP file (readout in million MT)
37 27th of 54 higher than 27 of 54 states
States and territories, banded by total reported facility CO₂e (MT)
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · May 2026
Facility mix · EPA sector count
How 117 South Carolina facilities split by EPA sector
Exclusive in-state facility counts by EPA industry_sector, orthogonal to the leading-parent CO₂e share lens above. Source: EPA GHGRP facility reports in South Carolina.
Facility mix · Scope 1 size bands
How 117 South Carolina facilities split by latest reported Scope 1
Exclusive in-state facility counts by latest reported Scope 1 size band, orthogonal to the EPA sector mix above. Source: EPA GHGRP facility reports in South Carolina.
Largest corporate emitters in South Carolina
South Carolina - top corporate emitters (MT CO₂e)
Company footprint
Which companies combine scale and emissions?
Each point is a leading South Carolina reporter. The crosshairs mark the median among the companies shown, so the chart distinguishes a larger facility footprint from a higher emissions total.
This is a comparison of the leading 12 reporters displayed above, not a measure of production, population, or total company-wide emissions outside South Carolina.
Read the chart values
- SOUTH CAROLINA PUBLIC SERVICE AUTHORITY 4 sites · 14.1M MT
- DOMINION ENERGY 27 sites · 9.0M MT
- DUKE ENERGY 39 sites · 2.5M MT
- HOLCIM PARTICIPATIONS (US) 12 sites · 1.2M MT
- NUCOR 25 sites · 784K MT
- WESTROCK 26 sites · 743K MT
- ARGOS USA 4 sites · 617K MT
- GIANT CEMENT HOLDING 3 sites · 500K MT
- CENTURY ALUMINUM 3 sites · 422K MT
- INTERNATIONAL PAPER 28 sites · 320K MT
- NEW-INDY JV 2 sites · 258K MT
- SYLVAMO NORTH AMERICA 2 sites · 257K MT
State insight: South Carolina
South Carolina (SC) reports 36.7M MT CO₂e from 117 EPA GHGRP facilities operated by 67 companies (#27 of 54 states by aggregated facility CO₂e). Per-facility average is about 314K MT. Power Plants leads the in-state CO₂e mix at 68.5%.
Top in-state reporters: SOUTH CAROLINA PUBLIC SERVICE AUTHORITY, DOMINION ENERGY, DUKE ENERGY (together 69.7% of the SC total). These are Scope 1 facility reports only - not a full state inventory or company-wide footprint. See methodology.
Top companies in South Carolina
Top facilities in South Carolina
Nationwide states with similar CO₂e or facility scale
Two EPA GHGRP-derived peer sets for South Carolina: nearest states by aggregated facility CO₂e and by reporting-facility inventory. These are cross-state neighborhoods, not the in-state company list above.
Similar reported CO₂e
Nearest states by aggregated facility CO₂e (36.7M MT here).
Similar facility inventory
Nearest states by GHGRP reporting facility count (117 here).
State totals aggregate EPA Greenhouse Gas Reporting Program (GHGRP) facility reports sited in South Carolina (SC). Figures reflect facility self-reporting, not a full state inventory. See our methodology. Retrieved and formatted by PlainCarbon
Related reading: Understanding corporate carbon reporting · All states · Methodology
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the EPA Greenhouse Gas Reporting Program (GHGRP). Consult a qualified professional before making decisions based on this data.