Nissequogue Cogen
STONY BROOK, NY · Suffolk · NAICS 221112
Data updated May 2026
Nissequogue Cogen sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,845 of 8,713 nationally, #39 of 246 in NY).
- National rank #1,845 of 8,713 GHGRP facilities
- #39 of 246 in NY
- #851 of 1,732 in Power Plants
- 0.4% of CPN MANAGEMENT parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -2.4% since 2011
Nissequogue Cogen vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
169,743 1845th of 8713 higher than 6,868 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 0.4% of CPN MANAGEMENT reported parent CO₂e (170K MT of 47.6M MT ; #32 of 43 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #851 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 170K 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%
- 170K MT
- CH₄
- 0%
- 79 MT
- N₂O
- 0.1%
- 94 MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 169,743 |
| 2022 | 172,307 |
| 2021 | 172,931 |
| 2020 | 179,970 |
| 2019 | 179,114 |
| 2018 | 190,032 |
| 2017 | 186,611 |
| 2016 | 175,963 |
| 2015 | 171,580 |
| 2014 | 185,517 |
| 2013 | 196,720 |
| 2012 | 190,036 |
| 2011 | 173,891 |
Facility insight: Nissequogue Cogen
Nissequogue Cogen (GHGRP ID 1001270) is a high-volume reporter at 170K MT CO₂e in 2023 from STONY BROOK, NY (#1,845 of 8,713 nationally) under Power Plants (NAICS 221112).
Over 13 years (2011–2023), emissions stayed within a narrow band around 170K MT CO₂e (peak 197K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2013 at 197K MT CO2e; latest 2023 sits 13.7% below that peak (170K MT). The largest year-to-year move was 2011→2012 (+9.3%, 16K MT).
Frequently Asked Questions
Where does Nissequogue Cogen rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Nissequogue Cogen ranks #1,845 of 8,713 reporting facilities by latest reported CO₂e, and #39 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 Nissequogue Cogen? ▼
Nissequogue Cogen's 170K MT CO₂e is higher than 6,868 of the 8,713 GHGRP facilities with reported emissions (79%), an exact count from the full corpus, not an estimate.
How much CO2 does Nissequogue Cogen emit? ▼
Nissequogue Cogen reported 170K MT CO2e in 2023.
What share of CPN MANAGEMENT does Nissequogue Cogen represent? ▼
Nissequogue Cogen accounts for 0.4% of CPN MANAGEMENT's reported GHGRP CO₂e (170K MT of 47.6M MT), ranking #32 of 43 facilities under that parent.
What is Nissequogue Cogen's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Nissequogue Cogen, 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 Nissequogue Cogen rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Nissequogue Cogen ranks #851 of 1,732 by latest reported CO₂e.
Is Nissequogue Cogen reducing emissions? ▼
Over 13 reporting years (2011–2023), Nissequogue Cogen's emissions have decreased by 2.4%. Emissions have remained relatively stable.
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 (170K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside NY.