PORTSMOUTH NAVAL SHIPYARD
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KITTERY, ME · YORK COUNTY · NAICS 928110
Data updated May 2026
Annual Emissions History
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 72,231 |
| 2022 | 58,681 |
| 2021 | 51,422 |
| 2020 | 52,144 |
| 2019 | 51,136 |
| 2018 | 53,982 |
| 2017 | 50,343 |
| 2016 | 46,813 |
| 2015 | 47,921 |
| 2014 | 51,172 |
| 2013 | 49,307 |
| 2012 | 50,776 |
| 2011 | 52,038 |
Facility Insight: PORTSMOUTH NAVAL SHIPYARD
PORTSMOUTH NAVAL SHIPYARD (EPA GHGRP Facility ID 1004698) reported 72K metric tons of CO2-equivalent in 2023, operating in KITTERY, ME within YORK COUNTY. The site is classified under Other with NAICS code 928110.
The facility has 13 years of reported data on record, covering the 2011–2023 window. Over that period, annual CO2e emissions rose by 38.8%, with the peak observed year showing up to 72K MT CO2e.
Emissions Analysis
PORTSMOUTH NAVAL SHIPYARD reports 72K MT CO2e, placing it among smaller reporting facilities in the GHGRP.
Frequently Asked Questions
How much CO2 does PORTSMOUTH NAVAL SHIPYARD emit? ▼
PORTSMOUTH NAVAL SHIPYARD reported 72K MT CO2e in 2023.
Is PORTSMOUTH NAVAL SHIPYARD reducing emissions? ▼
Over 13 reporting years (2011–2023), PORTSMOUTH NAVAL SHIPYARD's emissions have increased by 38.8%. This may reflect expanded operations or increased production.