Harry D. Mattison Power Plant
TONTITOWN, AR · Washington · NAICS 221112
Data updated May 2026
Harry D. Mattison Power Plant sits in the upper third of EPA GHGRP reporters by latest CO₂e (#2,322 of 8,713 nationally, #29 of 185 in AR).
- National rank #2,322 of 8,713 GHGRP facilities
- #29 of 185 in AR
- #940 of 1,732 in Power Plants
- 0.3% of AMERICAN ELECTRIC POWER CO parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +5.4% since 2011
Harry D. Mattison Power Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
120,648 2322nd of 8713 higher than 6,391 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 0.3% of AMERICAN ELECTRIC POWER CO reported parent CO₂e (121K MT of 44.7M MT ; #19 of 22 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #940 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 121K 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%
- 121K MT
- CH₄
- 0%
- 57 MT
- N₂O
- 0.1%
- 67 MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 120,648 |
| 2022 | 138,185 |
| 2021 | 46,595 |
| 2020 | 37,032 |
| 2019 | 104,743 |
| 2018 | 32,716 |
| 2017 | 34,629 |
| 2016 | 80,966 |
| 2015 | 16,743 |
| 2014 | 20,331 |
| 2013 | 37,714 |
| 2012 | 76,743 |
| 2011 | 114,495 |
Facility insight: Harry D. Mattison Power Plant
Harry D. Mattison Power Plant (GHGRP ID 1000487) is a high-volume reporter at 121K MT CO₂e in 2023 from TONTITOWN, AR (#2,322 of 8,713 nationally) under Power Plants (NAICS 221112).
Over 13 years (2011–2023), emissions stayed within a narrow band around 121K MT CO₂e (peak 138K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2022 at 138K MT CO2e; latest 2023 sits 12.7% below that peak (121K MT). The largest year-to-year move was 2021→2022 (+196.6%, 92K MT).
Frequently Asked Questions
Where does Harry D. Mattison Power Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Harry D. Mattison Power Plant ranks #2,322 of 8,713 reporting facilities by latest reported CO₂e, and #29 of 185 facilities in AR (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Harry D. Mattison Power Plant? ▼
Harry D. Mattison Power Plant's 121K MT CO₂e is higher than 6,391 of the 8,713 GHGRP facilities with reported emissions (73%), an exact count from the full corpus, not an estimate.
How much CO2 does Harry D. Mattison Power Plant emit? ▼
Harry D. Mattison Power Plant reported 121K MT CO2e in 2023.
What share of AMERICAN ELECTRIC POWER CO does Harry D. Mattison Power Plant represent? ▼
Harry D. Mattison Power Plant accounts for 0.3% of AMERICAN ELECTRIC POWER CO's reported GHGRP CO₂e (121K MT of 44.7M MT), ranking #19 of 22 facilities under that parent.
What is Harry D. Mattison Power Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Harry D. Mattison Power 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 Harry D. Mattison Power Plant rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Harry D. Mattison Power Plant ranks #940 of 1,732 by latest reported CO₂e.
Is Harry D. Mattison Power Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), Harry D. Mattison Power Plant's emissions have increased by 5.4%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Peer sets outside AR for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside AR (121K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside AR.