EPA GHGRP · state profile · DE
Delaware - lower-footprint state profile
According to the EPA's Greenhouse Gas Reporting Program (GHGRP), a smaller state total: 6.0M MT CO₂e across 26 reporting facilities in DE.
- among states
- #46
- Total CO₂e - Mid-size emitter
- 6.0M MT
- Facilities
- 26
- Companies
- 16
- Avg / facility - High intensity
- 231K MT
Data updated May 2026
Delaware reports 6.0M MT CO₂e from 26 EPA GHGRP facilities and 16 parent companies (#46 of 54 U.S. states by aggregated facility CO₂e), led by DELAWARE CITY REFINING CO at 3.4M MT (~57% of the state total).
- #46 of 54 states
- DELAWARE CITY REFINING CO 56.8% of state
- 0.2% of U.S. GHGRP total
- Avg 231K MT per facility · May 2026
Top-reporter concentration desk
DELAWARE CITY REFINING CO dominates the in-state book at 56.8% of reported Delaware CO₂e (3.4M MT of 6.0M MT). Top-three reporters hold 80.2% (DELAWARE CITY REFINING CO; CPN MANAGEMENT; EDGEWATER GENERATION HOLDINGS). Shares use EPA GHGRP facilities sited in DE only, not each parent's company-wide total.
- Delaware is 0.2% of the 2.57B MT U.S. GHGRP facility rollup across 54 jurisdictions.
- Leading EPA sector by CO₂e: Petroleum Product Suppliers at 56.8% (3.4M MT across 1 facilities) - orthogonal to the facility-count sector mix below.
- Trails South Dakota by 297K MT on the same state ranking.
- Leads Idaho by 129K MT on the same state ranking.
Delaware 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)
6 46th of 54 higher than 8 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 26 Delaware 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 Delaware.
Facility mix · Scope 1 size bands
How 26 Delaware 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 Delaware.
Largest corporate emitters in Delaware
Delaware - top corporate emitters (MT CO₂e)
State insight: Delaware
Delaware (DE) reports 6.0M MT CO₂e from 26 EPA GHGRP facilities operated by 16 companies (#46 of 54 states by aggregated facility CO₂e). Per-facility average is about 231K MT. Petroleum Product Suppliers leads the in-state CO₂e mix at 56.8%.
Top in-state reporters: DELAWARE CITY REFINING CO, CPN MANAGEMENT, EDGEWATER GENERATION HOLDINGS (together 80.2% of the DE total). These are Scope 1 facility reports only - not a full state inventory or company-wide footprint. See methodology.
Top companies in Delaware
Top facilities in Delaware
Nationwide peers for a lower-footprint state
Comparison paths for a smaller GHGRP state total: nearest CO₂e rollups and facility-count neighbors outside DE.
Similar reported CO₂e
Nearest states by aggregated facility CO₂e (6.0M MT here).
Similar facility inventory
Nearest states by GHGRP reporting facility count (26 here).
State totals aggregate EPA Greenhouse Gas Reporting Program (GHGRP) facility reports sited in Delaware (DE). 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.