US Steel - Midwest Plant
PORTAGE, IN · PORTER COUNTY · NAICS 331221
Data updated May 2026
US Steel - Midwest Plant sits in the upper third of EPA GHGRP reporters by latest CO₂e (#2,470 of 8,713 nationally, #82 of 230 in IN).
- National rank #2,470 of 8,713 GHGRP facilities
- #82 of 230 in IN
- #119 of 363 in Metals
- 0.6% of US STEEL parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -18.1% since 2011
US Steel - Midwest Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
110,193 2470th of 8713 higher than 6,243 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 0.6% of US STEEL reported parent CO₂e (110K MT of 19.4M MT ; #9 of 13 GHGRP facilities under that parent ). Inside the EPA Metals sector it ranks #119 of 363 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 110K 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%
- 110K MT
- CH₄
- 0%
- 52 MT
- N₂O
- 0.1%
- 62 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 110,193 |
| 2022 | 102,791 |
| 2021 | 124,448 |
| 2020 | 114,769 |
| 2019 | 122,128 |
| 2018 | 117,834 |
| 2017 | 107,843 |
| 2016 | 113,308 |
| 2015 | 117,824 |
| 2014 | 141,400 |
| 2013 | 141,625 |
| 2012 | 133,464 |
| 2011 | 134,562 |
Facility insight: US Steel - Midwest Plant
US Steel - Midwest Plant (GHGRP ID 1001620) is a high-volume reporter at 110K MT CO₂e in 2023 from PORTAGE, IN (#2,470 of 8,713 nationally) under Metals (NAICS 331221).
Across 2011–2023, annual CO₂e fell 18.1%; peak load was 142K MT in 2013. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2013 at 142K MT CO2e; latest 2023 sits 22.2% below that peak (110K MT). The largest year-to-year move was 2014→2015 (-16.7%, 24K MT).
Frequently Asked Questions
Where does US Steel - Midwest Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, US Steel - Midwest Plant ranks #2,470 of 8,713 reporting facilities by latest reported CO₂e, and #82 of 230 facilities in IN (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than US Steel - Midwest Plant? ▼
US Steel - Midwest Plant's 110K MT CO₂e is higher than 6,243 of the 8,713 GHGRP facilities with reported emissions (72%), an exact count from the full corpus, not an estimate.
How much CO2 does US Steel - Midwest Plant emit? ▼
US Steel - Midwest Plant reported 110K MT CO2e in 2023.
What share of US STEEL does US Steel - Midwest Plant represent? ▼
US Steel - Midwest Plant accounts for 0.6% of US STEEL's reported GHGRP CO₂e (110K MT of 19.4M MT), ranking #9 of 13 facilities under that parent.
What is US Steel - Midwest Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at US Steel - Midwest 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 US Steel - Midwest Plant rank inside Metals? ▼
Among EPA GHGRP facilities tagged Metals, US Steel - Midwest Plant ranks #119 of 363 by latest reported CO₂e.
Is US Steel - Midwest Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), US Steel - Midwest Plant's emissions have decreased by 18.1%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside IN for a top-third GHGRP emitter: CO₂e totals first, then Metals neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside IN (110K MT here).
Similar Metals CO₂e
Nearest same-sector facility totals outside IN.