Northrop Grumman Marine Systems
Sunnyvale, CA · SANTA CLARA COUNTY · NAICS 333612
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, Northrop Grumman Marine Systems ranks #5,200 of 8,713 U.S. reporting facilities by latest reported CO₂e and #263 of 549 facilities in CA.
- National rank #5,200 of 8,713 GHGRP facilities
- #263 of 549 in CA
- #871 of 1,599 in Other
- 31.9% of NORTHROP GRUMMAN parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +23.4% since 2021
Northrop Grumman Marine Systems vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
35,131 5200th of 8713 higher than 3,513 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 31.9% of NORTHROP GRUMMAN reported parent CO₂e (35K MT of 110K MT ; #2 of 3 GHGRP facilities under that parent ). Inside the EPA Other sector it ranks #871 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 35K 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%
- 35K MT
- CH₄
- 0%
- 17 MT
- N₂O
- 0.1%
- 20 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 35,131 |
| 2022 | 29,084 |
| 2021 | 28,478 |
Facility insight: Northrop Grumman Marine Systems
Northrop Grumman Marine Systems (EPA GHGRP Facility ID 1014201) reported 35K metric tons of CO2-equivalent in 2023, operating in Sunnyvale, CA within SANTA CLARA COUNTY. Among GHGRP reporters it ranks #5,200 of 8,713 nationally by latest CO₂e and #263 of 549 in CA. The site is classified under Other with NAICS code 333612.
From 2021 to 2023, reported CO₂e rose 23.4% (peak 35K MT). This facility has filed every year from 2021 to 2023, a complete 3-year record.
Frequently Asked Questions
Where does Northrop Grumman Marine Systems rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Northrop Grumman Marine Systems ranks #5,200 of 8,713 reporting facilities by latest reported CO₂e, and #263 of 549 facilities in CA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Northrop Grumman Marine Systems? ▼
Northrop Grumman Marine Systems's 35K MT CO₂e is higher than 3,513 of the 8,713 GHGRP facilities with reported emissions (40%), an exact count from the full corpus, not an estimate.
How much CO2 does Northrop Grumman Marine Systems emit? ▼
Northrop Grumman Marine Systems reported 35K MT CO2e in 2023.
What share of NORTHROP GRUMMAN does Northrop Grumman Marine Systems represent? ▼
Northrop Grumman Marine Systems accounts for 31.9% of NORTHROP GRUMMAN's reported GHGRP CO₂e (35K MT of 110K MT), ranking #2 of 3 facilities under that parent.
What is Northrop Grumman Marine Systems's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Northrop Grumman Marine Systems, 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 Marine Systems rank inside Other? ▼
Among EPA GHGRP facilities tagged Other, Northrop Grumman Marine Systems ranks #871 of 1,599 by latest reported CO₂e.
Is Northrop Grumman Marine Systems reducing emissions? ▼
Over 3 reporting years (2021–2023), Northrop Grumman Marine Systems's emissions have increased by 23.4%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for Northrop Grumman Marine Systems, both outside CA so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside CA (35K MT here).
Similar Other CO₂e
Nearest same-sector facility totals outside CA.