EPA GHGRP · state profile · AR

Arkansas - per-facility CO₂e intensity

According to the EPA's Greenhouse Gas Reporting Program (GHGRP), a broad facility inventory (185 sites) reporting 40.2M MT CO₂e for Arkansas.

among states
#23
Total CO₂e - Large emitter
40.2M MT
Facilities
185
Companies
64
Avg / facility - High intensity
218K MT

Data updated May 2026

40.2M MT CO₂e

Arkansas averages 218K MT CO₂e per GHGRP facility on 40.2M MT total (#23 of 54 states).

  • #23 of 54 states
  • ARKANSAS ELECTRIC COOPERATIVE 17.7% of state
  • 1.6% of U.S. GHGRP total
  • Avg 218K MT per facility · May 2026

In-state concentration desk

ARKANSAS ELECTRIC COOPERATIVE accounts for 17.7% of reported Arkansas CO₂e (7.1M MT of 40.2M MT). The top three in-state reporters hold 47% (ARKANSAS ELECTRIC COOPERATIVE; ENTERGY; CITY OF WEST MEMPHIS ARKANSAS). Shares use EPA GHGRP facilities sited in AR only, not each parent's company-wide total.

  • Arkansas is 1.6% of the 2.57B MT U.S. GHGRP facility rollup across 54 jurisdictions.
  • Leading EPA sector by CO₂e: Power Plants at 71.7% (28.8M MT across 21 facilities) - orthogonal to the facility-count sector mix below.
  • Trails Colorado by 1.0M MT on the same state ranking.
  • Leads New York by 2.3M MT on the same state ranking.

Arkansas 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)

40 23rd of 54 higher than 31 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 185 Arkansas 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 Arkansas.

Facility mix · Scope 1 size bands

How 185 Arkansas 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 Arkansas.

Largest corporate emitters in Arkansas

Arkansas - top corporate emitters (MT CO₂e)

ARKANSAS ELECTRIC COOPERAT…7.1MENTERGY6.2MCITY OF WEST MEMPHIS ARKAN…5.6MCONWAY4.0MEAST TEXAS ELECTRIC COOPER…3.4MASSOCIATED ELECTRIC COOPER…1.7MLSB INDUSTRIES1.0MASH GROVE CEMENT884KNUCOR748KDELEK US HOLDINGS713K

Company footprint

Which companies combine scale and emissions?

Each point is a leading Arkansas reporter. The crosshairs mark the median among the companies shown, so the chart distinguishes a larger facility footprint from a higher emissions total.

Fewer sites / higher CO₂eMore sites / higher CO₂eFewer sites / lower CO₂eMore sites / lower CO₂e0 sites11.3 sites22.6 sites33.8 sites45.1 sites0.1M1.9M3.7M5.6M7.4MReporting facilitiesReported CO₂e (million MT)ARKANSAS ELECTRIC CO…, Reporting facilities: 7 sites · Reported CO₂e (million MT): 7.1MENTERGY, Reporting facilities: 24 sites · Reported CO₂e (million MT): 6.2MCITY OF WEST MEMPHIS…, Reporting facilities: 1 sites · Reported CO₂e (million MT): 5.6MCONWAY, Reporting facilities: 1 sites · Reported CO₂e (million MT): 4MEAST TEXAS ELECTRIC …, Reporting facilities: 3 sites · Reported CO₂e (million MT): 3.4MASSOCIATED ELECTRIC …, Reporting facilities: 7 sites · Reported CO₂e (million MT): 1.7MLSB INDUSTRIES, Reporting facilities: 3 sites · Reported CO₂e (million MT): 1MASH GROVE CEMENT, Reporting facilities: 2 sites · Reported CO₂e (million MT): 0.9MNUCOR, Reporting facilities: 25 sites · Reported CO₂e (million MT): 0.7MDELEK US HOLDINGS, Reporting facilities: 5 sites · Reported CO₂e (million MT): 0.7MCPN MANAGEMENT, Reporting facilities: 43 sites · Reported CO₂e (million MT): 0.7MUS LIME & MINERALS, Reporting facilities: 3 sites · Reported CO₂e (million MT): 0.4M
Leading Arkansas companies: facility footprint and reported CO₂e

This is a comparison of the leading 12 reporters displayed above, not a measure of production, population, or total company-wide emissions outside Arkansas.

Read the chart values

Intensity lens: Arkansas

Arkansas (AR) averages 218K MT CO₂e per GHGRP facility on 40.2M MT total from 185 sites (#23 of 54 states). Power Plants leads the in-state CO₂e mix at 71.7%.

Top in-state reporters: ARKANSAS ELECTRIC COOPERATIVE, ENTERGY, CITY OF WEST MEMPHIS ARKANSAS (together 47% of the AR total). These are Scope 1 facility reports only - not a full state inventory or company-wide footprint. See methodology.

Nationwide states with similar facility inventory

Inventory-led peer sets around 185 reporting facilities, plus nearest CO₂e state totals.

Similar reported CO₂e

Nearest states by aggregated facility CO₂e (40.2M MT here).

Similar facility inventory

Nearest states by GHGRP reporting facility count (185 here).

State totals aggregate EPA Greenhouse Gas Reporting Program (GHGRP) facility reports sited in Arkansas (AR). 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.