Port Jefferson Energy Center
PORT JEFFERSON, NY · Suffolk · NAICS 221112
Data updated May 2026
Port Jefferson Energy Center sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,534 of 8,713 nationally, #29 of 246 in NY).
- National rank #1,534 of 8,713 GHGRP facilities
- #29 of 246 in NY
- #793 of 1,732 in Power Plants
- 8.8% of NATIONAL GRID USA parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -35.9% since 2011
Port Jefferson Energy Center vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
236,517 1534th of 8713 higher than 7,179 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 8.8% of NATIONAL GRID USA reported parent CO₂e (237K MT of 2.7M MT ; #3 of 7 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #793 of 1,732 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 237K 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%
- 236K MT
- CH₄
- 0%
- 116 MT
- N₂O
- 0.1%
- 151 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 236,517 |
| 2022 | 283,575 |
| 2021 | 335,985 |
| 2020 | 339,211 |
| 2019 | 211,479 |
| 2018 | 261,123 |
| 2017 | 165,894 |
| 2016 | 286,259 |
| 2015 | 364,674 |
| 2014 | 302,724 |
| 2013 | 312,006 |
| 2012 | 355,857 |
| 2011 | 368,705 |
Facility insight: Port Jefferson Energy Center
Port Jefferson Energy Center (GHGRP ID 1005784) is a high-volume reporter at 237K MT CO₂e in 2023 from PORT JEFFERSON, NY (#1,534 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2023, annual CO₂e fell 35.9%; peak load was 369K MT in 2011. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 369K MT CO2e; latest 2023 sits 35.9% below that peak (237K MT). The largest year-to-year move was 2019→2020 (+60.4%, 128K MT).
Frequently Asked Questions
Where does Port Jefferson Energy Center rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Port Jefferson Energy Center ranks #1,534 of 8,713 reporting facilities by latest reported CO₂e, and #29 of 246 facilities in NY (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Port Jefferson Energy Center? ▼
Port Jefferson Energy Center's 237K MT CO₂e is higher than 7,179 of the 8,713 GHGRP facilities with reported emissions (82%), an exact count from the full corpus, not an estimate.
How much CO2 does Port Jefferson Energy Center emit? ▼
Port Jefferson Energy Center reported 237K MT CO2e in 2023.
What share of NATIONAL GRID USA does Port Jefferson Energy Center represent? ▼
Port Jefferson Energy Center accounts for 8.8% of NATIONAL GRID USA's reported GHGRP CO₂e (237K MT of 2.7M MT), ranking #3 of 7 facilities under that parent.
What is Port Jefferson Energy Center's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Port Jefferson Energy Center, 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 Port Jefferson Energy Center rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Port Jefferson Energy Center ranks #793 of 1,732 by latest reported CO₂e.
Is Port Jefferson Energy Center reducing emissions? ▼
Over 13 reporting years (2011–2023), Port Jefferson Energy Center's emissions have decreased by 35.9%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside NY for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside NY (237K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside NY.