Keystone
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SHELOCTA, PA · Armstrong · NAICS 221112
Data updated May 2026
Annual Emissions History
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 2,778,443 |
| 2022 | 4,946,445 |
| 2021 | 7,267,256 |
| 2020 | 7,264,331 |
| 2019 | 10,546,345 |
| 2018 | 11,596,708 |
| 2017 | 11,148,894 |
| 2016 | 9,899,247 |
| 2015 | 9,123,019 |
| 2014 | 10,548,203 |
| 2013 | 11,324,078 |
| 2012 | 8,982,162 |
| 2011 | 10,394,375 |
Facility Insight: Keystone
Keystone (EPA GHGRP Facility ID 1000883) reported 2.8M metric tons of CO2-equivalent in 2023, operating in SHELOCTA, PA within Armstrong. The site is classified under Power Plants with NAICS code 221112.
The facility has 13 years of reported data on record, covering the 2011–2023 window. Over that period, annual CO2e emissions declined by 73.3%, with the peak observed year showing up to 11.6M MT CO2e.
Emissions Analysis
Keystone is a major emissions source, reporting 2.8M metric tons of CO2 equivalent. Facilities of this scale typically include power plants, refineries, or large manufacturing operations.
Frequently Asked Questions
How much CO2 does Keystone emit? ▼
Keystone reported 2.8M MT CO2e in 2023.
Is Keystone reducing emissions? ▼
Over 13 reporting years (2011–2023), Keystone's emissions have decreased by 73.3%. This suggests meaningful progress in emissions reduction.