Conemaugh
NEW FLORENCE, PA · Indiana · NAICS 221112
Data updated May 2026
Conemaugh sits in the upper third of EPA GHGRP reporters by latest CO₂e (#199 of 8,713 nationally, #8 of 404 in PA).
- National rank #199 of 8,713 GHGRP facilities
- #8 of 404 in PA
- #156 of 1,732 in Power Plants
- 66.1% of ARCLIGHT CAPITAL HOLDINGS parent CO₂e
- 2023 mix: 0.5% non-CO₂ (N₂O-led)
- -71.3% since 2011
Conemaugh vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
2,804,426 199th of 8713 higher than 8,514 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 66.1% of ARCLIGHT CAPITAL HOLDINGS reported parent CO₂e (2.8M MT of 4.2M MT ; #1 of 2 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #156 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 2.8M MT CO₂e reported for 2023, non-CO₂ gases are 0.5% , led by N₂O at 0.5% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.5%
- 2.8M MT
- CH₄
- 0%
- 751 MT
- N₂O
- 0.5%
- 14K MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 2,804,426 |
| 2022 | 5,446,609 |
| 2021 | 6,959,749 |
| 2020 | 7,160,349 |
| 2019 | 10,483,904 |
| 2018 | 10,726,755 |
| 2017 | 10,704,644 |
| 2016 | 8,850,415 |
| 2015 | 10,261,400 |
| 2014 | 9,892,928 |
| 2013 | 10,601,387 |
| 2012 | 9,849,644 |
| 2011 | 9,783,340 |
Facility insight: Conemaugh
Conemaugh (GHGRP ID 1000877) is a high-volume reporter at 2.8M MT CO₂e in 2023 from NEW FLORENCE, PA (#199 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2023, annual CO₂e fell 71.3%; peak load was 10.7M MT in 2018. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2018 at 10.7M MT CO2e; latest 2023 sits 73.9% below that peak (2.8M MT). The largest year-to-year move was 2019→2020 (-31.7%, 3.3M MT).
Frequently Asked Questions
Where does Conemaugh rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Conemaugh ranks #199 of 8,713 reporting facilities by latest reported CO₂e, and #8 of 404 facilities in PA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Conemaugh? ▼
Conemaugh's 2.8M MT CO₂e is higher than 8,514 of the 8,713 GHGRP facilities with reported emissions (98%), an exact count from the full corpus, not an estimate.
How much CO2 does Conemaugh emit? ▼
Conemaugh reported 2.8M MT CO2e in 2023.
What share of ARCLIGHT CAPITAL HOLDINGS does Conemaugh represent? ▼
Conemaugh accounts for 66.1% of ARCLIGHT CAPITAL HOLDINGS's reported GHGRP CO₂e (2.8M MT of 4.2M MT), ranking #1 of 2 facilities under that parent.
What is Conemaugh's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.5% of reported CO₂e at Conemaugh, with N₂O the larger non-CO₂ share at 0.5% (CO₂ 99.5%). Shares use the facility's GHGRP gas components for that year.
Where does Conemaugh rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Conemaugh ranks #156 of 1,732 by latest reported CO₂e.
Is Conemaugh reducing emissions? ▼
Over 13 reporting years (2011–2023), Conemaugh's emissions have decreased by 71.3%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside PA for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside PA (2.8M MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside PA.