Ouachita Plant
STERLINGTON, LA · Ouachita · NAICS 221112
Data updated May 2026
Ouachita Plant sits in the upper third of EPA GHGRP reporters by latest CO₂e (#427 of 8,713 nationally, #28 of 531 in LA).
- National rank #427 of 8,713 GHGRP facilities
- #28 of 531 in LA
- #324 of 1,732 in Power Plants
- 4.5% of ENTERGY parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +206.6% since 2011
Ouachita Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
1,521,068 427th of 8713 higher than 8,286 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 4.5% of ENTERGY reported parent CO₂e (1.5M MT of 33.9M MT ; #12 of 24 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #324 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 1.5M 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%
- 1.5M MT
- CH₄
- 0%
- 705 MT
- N₂O
- 0.1%
- 840 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 1,521,068 |
| 2022 | 1,762,456 |
| 2021 | 1,124,233 |
| 2020 | 1,431,799 |
| 2019 | 1,434,301 |
| 2018 | 1,477,677 |
| 2017 | 1,523,360 |
| 2016 | 1,418,441 |
| 2015 | 1,733,364 |
| 2014 | 1,325,598 |
| 2013 | 518,440 |
| 2012 | 611,531 |
| 2011 | 496,085 |
Facility insight: Ouachita Plant
Ouachita Plant (GHGRP ID 1000826) is a high-volume reporter at 1.5M MT CO₂e in 2023 from STERLINGTON, LA (#427 of 8,713 nationally) under Power Plants (NAICS 221112).
From 2011 to 2023, reported CO₂e rose 206.6% (peak 1.8M MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2022 at 1.8M MT CO2e; latest 2023 sits 13.7% below that peak (1.5M MT). The largest year-to-year move was 2013→2014 (+155.7%, 807K MT).
Frequently Asked Questions
Where does Ouachita Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Ouachita Plant ranks #427 of 8,713 reporting facilities by latest reported CO₂e, and #28 of 531 facilities in LA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Ouachita Plant? ▼
Ouachita Plant's 1.5M MT CO₂e is higher than 8,286 of the 8,713 GHGRP facilities with reported emissions (95%), an exact count from the full corpus, not an estimate.
How much CO2 does Ouachita Plant emit? ▼
Ouachita Plant reported 1.5M MT CO2e in 2023.
What share of ENTERGY does Ouachita Plant represent? ▼
Ouachita Plant accounts for 4.5% of ENTERGY's reported GHGRP CO₂e (1.5M MT of 33.9M MT), ranking #12 of 24 facilities under that parent.
What is Ouachita Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Ouachita Plant, 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 Ouachita Plant rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Ouachita Plant ranks #324 of 1,732 by latest reported CO₂e.
Is Ouachita Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), Ouachita Plant's emissions have increased by 206.6%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Peer sets outside LA for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside LA (1.5M MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside LA.