Nissequogue Cogen
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STONY BROOK, NY · Suffolk · NAICS 221112
Data updated May 2026
Annual Emissions History
| 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 (EPA GHGRP Facility ID 1001270) reported 170K metric tons of CO2-equivalent in 2023, operating in STONY BROOK, NY within Suffolk. The site is classified under Power Plants with NAICS code 221112.
The facility has 13 years of reported data on record, covering the 2011–2023 window. Over that period, annual CO2e emissions declined by 2.4%, with the peak observed year showing up to 197K MT CO2e.
Emissions Analysis
Nissequogue Cogen is a moderate emitter at 170K MT CO2e, typical of mid-sized industrial operations.
Frequently Asked Questions
How much CO2 does Nissequogue Cogen emit? ▼
Nissequogue Cogen reported 170K MT CO2e in 2023.
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.