EPA GHGRP · state profile · NH
New Hampshire - lower-footprint state profile
According to the EPA's Greenhouse Gas Reporting Program (GHGRP), a smaller state total: 2.4M MT CO₂e across 19 reporting facilities in NH.
- among states
- #50
- Total CO₂e - Mid-size emitter
- 2.4M MT
- Facilities
- 19
- Companies
- 15
- Avg / facility - High intensity
- 127K MT
Data updated May 2026
New Hampshire reports 2.4M MT CO₂e from 19 EPA GHGRP facilities and 15 parent companies (#50 of 54 U.S. states by aggregated facility CO₂e), led by CPN MANAGEMENT at 1.3M MT (~54% of the state total).
- #50 of 54 states
- CPN MANAGEMENT 53.8% of state
- 0.1% of U.S. GHGRP total
- Avg 127K MT per facility · May 2026
Top-reporter concentration desk
CPN MANAGEMENT dominates the in-state book at 53.8% of reported New Hampshire CO₂e (1.3M MT of 2.4M MT). Top-three reporters hold 77.1% (CPN MANAGEMENT; ESSENTIAL POWER; GRANITE SHORE POWER). Shares use EPA GHGRP facilities sited in NH only, not each parent's company-wide total.
- New Hampshire is 0.1% of the 2.57B MT U.S. GHGRP facility rollup across 54 jurisdictions.
- Leading EPA sector by CO₂e: Power Plants at 77.2% (1.9M MT across 6 facilities) - orthogonal to the facility-count sector mix below.
- Trails Maine by 1.1M MT on the same state ranking.
- Leads Guam by 1.0M MT on the same state ranking.
New Hampshire 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)
2 50th of 54 higher than 4 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 19 New Hampshire 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 New Hampshire.
Facility mix · Scope 1 size bands
How 19 New Hampshire 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 New Hampshire.
Largest corporate emitters in New Hampshire
New Hampshire - top corporate emitters (MT CO₂e)
State insight: New Hampshire
New Hampshire (NH) reports 2.4M MT CO₂e from 19 EPA GHGRP facilities operated by 15 companies (#50 of 54 states by aggregated facility CO₂e). Per-facility average is about 127K MT. Power Plants leads the in-state CO₂e mix at 77.2%.
Top in-state reporters: CPN MANAGEMENT, ESSENTIAL POWER, GRANITE SHORE POWER (together 77.1% of the NH total). These are Scope 1 facility reports only - not a full state inventory or company-wide footprint. See methodology.
Top companies in New Hampshire
Top facilities in New Hampshire
Last reported: 1 of the 15 facilities above last reported to EPA before 2023. Their figure is from that older report, so it is ranked here against facilities with 2023 data. Each carries the marker, and its own page states the reporting year.
Nationwide peers for a lower-footprint state
Comparison paths for a smaller GHGRP state total: nearest CO₂e rollups and facility-count neighbors outside NH.
Similar reported CO₂e
Nearest states by aggregated facility CO₂e (2.4M MT here).
State totals aggregate EPA Greenhouse Gas Reporting Program (GHGRP) facility reports sited in New Hampshire (NH). 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.