Facility ID: 1003967 · Minerals

HEMLOCK SEMICONDUCTOR OPERATIONS LLC

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Hemlock, MI · SAGINAW COUNTY · NAICS 327992

Data updated May 2026

32K MT CO₂e · 2023

According to the EPA Greenhouse Gas Reporting Program, HEMLOCK SEMICONDUCTOR OPERATIONS LLC ranks #5,511 of 8,713 U.S. reporting facilities by latest reported CO₂e and #164 of 260 facilities in MI.

  • National rank #5,511 of 8,713 GHGRP facilities
  • #164 of 260 in MI
  • #344 of 434 in Minerals
  • 17.8% of CORNING parent CO₂e
  • 2023 mix: 0.1% non-CO₂ (N₂O-led)
  • -61.7% since 2011

HEMLOCK SEMICONDUCTOR OPERATIONS LLC vs all U.S. GHGRP facilities

Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility

31,708 5511th of 8713 higher than 3,202 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 17.8% of CORNING reported parent CO₂e (32K MT of 178K MT ; #2 of 4 GHGRP facilities under that parent ). Inside the EPA Minerals sector it ranks #344 of 434 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.

2023 gas mix desk

Of 32K 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%
32K MT
CH₄
0%
15 MT
N₂O
0.1%
18 MT

Emissions decline across reporting years

2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Year Total CO2e (MT)
2023 31,708
2022 66,427
2021 95,006
2020 95,813
2019 94,746
2018 101,525
2017 75,084
2016 67,892
2015 79,364
2014 84,294
2013 86,532
2012 78,516
2011 82,709

Facility insight: HEMLOCK SEMICONDUCTOR OPERATIONS LLC

HEMLOCK SEMICONDUCTOR OPERATIONS LLC (EPA GHGRP Facility ID 1003967) reported 32K metric tons of CO2-equivalent in 2023, operating in Hemlock, MI within SAGINAW COUNTY. Among GHGRP reporters it ranks #5,511 of 8,713 nationally by latest CO₂e and #164 of 260 in MI. The site is classified under Minerals with NAICS code 327992.

Across 2011–2023, annual CO₂e fell 61.7%; peak load was 102K MT in 2018. This facility has filed every year from 2011 to 2023, a complete 13-year record.

Peak year was 2018 at 102K MT CO2e; latest 2023 sits 68.8% below that peak (32K MT). The largest year-to-year move was 2022→2023 (-52.3%, 35K MT).

Frequently Asked Questions

Where does HEMLOCK SEMICONDUCTOR OPERATIONS LLC rank among U.S. GHGRP facilities?

According to the EPA Greenhouse Gas Reporting Program, HEMLOCK SEMICONDUCTOR OPERATIONS LLC ranks #5,511 of 8,713 reporting facilities by latest reported CO₂e, and #164 of 260 facilities in MI (same sort as the state facility table). See /methodology#corpus-placement.

What share of GHGRP facilities report less CO₂e than HEMLOCK SEMICONDUCTOR OPERATIONS LLC?

HEMLOCK SEMICONDUCTOR OPERATIONS LLC's 32K MT CO₂e is higher than 3,202 of the 8,713 GHGRP facilities with reported emissions (37%), an exact count from the full corpus, not an estimate.

How much CO2 does HEMLOCK SEMICONDUCTOR OPERATIONS LLC emit?

HEMLOCK SEMICONDUCTOR OPERATIONS LLC reported 32K MT CO2e in 2023.

What share of CORNING does HEMLOCK SEMICONDUCTOR OPERATIONS LLC represent?

HEMLOCK SEMICONDUCTOR OPERATIONS LLC accounts for 17.8% of CORNING's reported GHGRP CO₂e (32K MT of 178K MT), ranking #2 of 4 facilities under that parent.

What is HEMLOCK SEMICONDUCTOR OPERATIONS LLC's 2023 CO₂ / CH₄ / N₂O mix?

In 2023, non-CO₂ gases were 0.1% of reported CO₂e at HEMLOCK SEMICONDUCTOR OPERATIONS LLC, 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 HEMLOCK SEMICONDUCTOR OPERATIONS LLC rank inside Minerals?

Among EPA GHGRP facilities tagged Minerals, HEMLOCK SEMICONDUCTOR OPERATIONS LLC ranks #344 of 434 by latest reported CO₂e.

Is HEMLOCK SEMICONDUCTOR OPERATIONS LLC reducing emissions?

Over 13 reporting years (2011–2023), HEMLOCK SEMICONDUCTOR OPERATIONS LLC's emissions have decreased by 61.7%. This suggests meaningful progress in emissions reduction.

Nationwide facilities with similar CO₂e or sector

Two GHGRP-derived peer sets for HEMLOCK SEMICONDUCTOR OPERATIONS LLC, both outside MI so the neighborhoods are not state-geo containment.

Data sourced from the EPA Greenhouse Gas Reporting Program (GHGRP), Facility ID 1003967. Data subject to facility self-reporting, not compliance advice. See our methodology for how this data is sourced, computed, and verified. Retrieved and formatted by PlainCarbon