Northrop Grumman Systems Corporation
Promontory, UT · BOX ELDER COUNTY · NAICS 336415
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, Northrop Grumman Systems Corporation ranks #4,151 of 8,713 U.S. reporting facilities by latest reported CO₂e and #52 of 86 facilities in UT.
- National rank #4,151 of 8,713 GHGRP facilities
- #52 of 86 in UT
- #607 of 1,599 in Other
- 47% of NORTHROP GRUMMAN parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +31.8% since 2011
Northrop Grumman Systems Corporation vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
51,816 4151st of 8713 higher than 4,562 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. 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 · 2023
Facility footprint context
This site accounts for 47% of NORTHROP GRUMMAN reported parent CO₂e (52K MT of 110K MT ; #1 of 3 GHGRP facilities under that parent ). Inside the EPA Other sector it ranks #607 of 1,599 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 52K MT CO₂e reported for 2023, non-CO₂ gases are 0.1% , led by N₂O at 0.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.9%
- 52K MT
- CH₄
- 0.1%
- 27 MT
- N₂O
- 0.1%
- 38 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 51,816 |
| 2022 | 50,124 |
| 2021 | 48,247 |
| 2020 | 49,600 |
| 2019 | 50,173 |
| 2018 | 46,413 |
| 2017 | 45,626 |
| 2016 | 41,120 |
| 2015 | 33,531 |
| 2014 | 41,307 |
| 2013 | 43,075 |
| 2012 | 40,819 |
| 2011 | 39,323 |
Facility insight: Northrop Grumman Systems Corporation
Northrop Grumman Systems Corporation (EPA GHGRP Facility ID 1002571) reported 52K metric tons of CO2-equivalent in 2023, operating in Promontory, UT within BOX ELDER COUNTY. Among GHGRP reporters it ranks #4,151 of 8,713 nationally by latest CO₂e and #52 of 86 in UT. The site is classified under Other with NAICS code 336415.
From 2011 to 2023, reported CO₂e rose 31.8% (peak 52K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Frequently Asked Questions
Where does Northrop Grumman Systems Corporation rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Northrop Grumman Systems Corporation ranks #4,151 of 8,713 reporting facilities by latest reported CO₂e, and #52 of 86 facilities in UT (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Northrop Grumman Systems Corporation? ▼
Northrop Grumman Systems Corporation's 52K MT CO₂e is higher than 4,562 of the 8,713 GHGRP facilities with reported emissions (52%), an exact count from the full corpus, not an estimate.
How much CO2 does Northrop Grumman Systems Corporation emit? ▼
Northrop Grumman Systems Corporation reported 52K MT CO2e in 2023.
What share of NORTHROP GRUMMAN does Northrop Grumman Systems Corporation represent? ▼
Northrop Grumman Systems Corporation accounts for 47% of NORTHROP GRUMMAN's reported GHGRP CO₂e (52K MT of 110K MT), ranking #1 of 3 facilities under that parent.
What is Northrop Grumman Systems Corporation's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Northrop Grumman Systems Corporation, with N₂O the larger non-CO₂ share at 0.1% (CO₂ 99.9%). Shares use the facility's GHGRP gas components for that year.
Where does Northrop Grumman Systems Corporation rank inside Other? ▼
Among EPA GHGRP facilities tagged Other, Northrop Grumman Systems Corporation ranks #607 of 1,599 by latest reported CO₂e.
Is Northrop Grumman Systems Corporation reducing emissions? ▼
Over 13 reporting years (2011–2023), Northrop Grumman Systems Corporation's emissions have increased by 31.8%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for Northrop Grumman Systems Corporation, both outside UT so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside UT (52K MT here).
Similar Other CO₂e
Nearest same-sector facility totals outside UT.