Allegany Generating Station
Portageville, NY · Allegany · NAICS 221112
Data updated May 2026
Allegany Generating Station ranks among smaller GHGRP totals (#7,952 of 8,713 nationally; #222 of 246 in NY), a lower-footprint comparator in Power Plants.
- National rank #7,952 of 8,713 GHGRP facilities
- #222 of 246 in NY
- #1,515 of 1,732 in Power Plants
- 24.4% of ALLIANCE ENERGY GROUP parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -83.9% since 2011
Allegany Generating Station vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
5,778 7952nd of 8713 higher than 761 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 24.4% of ALLIANCE ENERGY GROUP reported parent CO₂e (6K MT of 24K MT ; #2 of 7 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #1,515 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 6K 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%
- 6K MT
- CH₄
- 0%
- 3 MT
- N₂O
- 0.1%
- 3 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 5,778 |
| 2022 | 19,658 |
| 2021 | 7,320 |
| 2020 | 8,754 |
| 2019 | 7,983 |
| 2018 | 17,356 |
| 2017 | 15,504 |
| 2016 | 39,534 |
| 2015 | 48,915 |
| 2014 | 44,162 |
| 2013 | 333 |
| 2012 | 36,373 |
| 2011 | 35,847 |
Facility insight: Allegany Generating Station
Allegany Generating Station (ID 1001217) reported 6K MT CO₂e for 2023 in Allegany, NY (#7,952 of 8,713 by latest CO₂e).
Across 2011–2023, annual CO₂e fell 83.9%; peak load was 49K MT in 2015. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2015 at 49K MT CO2e; latest 2023 sits 88.2% below that peak (6K MT). The largest year-to-year move was 2013→2014 (+13170.1%, 44K MT).
Frequently Asked Questions
Where does Allegany Generating Station rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Allegany Generating Station ranks #7,952 of 8,713 reporting facilities by latest reported CO₂e, and #222 of 246 facilities in NY (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Allegany Generating Station? ▼
Allegany Generating Station's 6K MT CO₂e is higher than 761 of the 8,713 GHGRP facilities with reported emissions (9%), an exact count from the full corpus, not an estimate.
How much CO2 does Allegany Generating Station emit? ▼
Allegany Generating Station reported 6K MT CO2e in 2023.
What share of ALLIANCE ENERGY GROUP does Allegany Generating Station represent? ▼
Allegany Generating Station accounts for 24.4% of ALLIANCE ENERGY GROUP's reported GHGRP CO₂e (6K MT of 24K MT), ranking #2 of 7 facilities under that parent.
What is Allegany Generating Station's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Allegany Generating Station, 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 Allegany Generating Station rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Allegany Generating Station ranks #1,515 of 1,732 by latest reported CO₂e.
Is Allegany Generating Station reducing emissions? ▼
Over 13 reporting years (2011–2023), Allegany Generating Station's emissions have decreased by 83.9%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Lower-footprint peers outside NY: nearest CO₂e totals and same-sector reporters for context.
Similar reported CO₂e
Nearest latest-year facility totals outside NY (6K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside NY.