Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VIENNA GENERATING STATION
CHAPEL OF EASE RD, VIENNA, MD, 21869
Parent company: NRG ENERGY INC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Polycyclic aromatic compounds | Benzo[g,h,i]perylene | Total (lbs) | |
| 2024 | — | — | 0 | 0 | 0 | |
| 2023 | — | — | 0 | 0 | 0 | |
| 2022 | — | — | 1 | 0 | 1 | |
| 2021 | — | — | 1 | 0 | 1 | |
| 2020 | — | — | 0 | — | 0 | |
| 2019 | — | — | — | 0 | 0 | |
| 2018 | — | — | 1 | 0 | 1 | |
| 2017 | — | — | 0 | 0 | 0 | |
| 2016 | — | — | 0 | 0 | 0 | |
| 2015 | — | — | 1 | 0 | 1 | |
| 2014 | — | — | 1 | 0 | 1 | |
| 2013 | — | — | 0 | — | 0 | |
| 2012 | — | — | 0 | — | 0 | |
| 2011 | — | — | 0 | — | 0 | |
| 2010 | — | — | 0 | — | 0 | |
| 2009 | — | — | 0 | 0 | 0 | |
| 2008 | 20,000 | — | 0 | — | 20,000 | |
| 2007 | 15,000 | — | — | — | 15,000 | |
| 2006 | — | — | 0 | — | 0 | |
| 2005 | 47,000 | — | 0 | 0 | 47,000 | |
| 2004 | 21,000 | — | 0 | 0 | 21,000 | |
| 2003 | 39,000 | — | 0 | 0 | 39,000 | |
| 2002 | 56,000 | — | 0 | 0 | 56,000 | |
| 2001 | 76,000 | — | 0 | 0 | 76,000 | |
| 2000 | 99,666 | — | 0 | — | 99,666 | |
| 1999 | 132,227 | 30,331 | — | — | 162,558 | |
| 1998 | 85,788 | — | — | — | 85,788 | |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.