Hubbell Inc
35 facilities · 19 states · 3.8M lbs total releases
According to the EPA Toxics Release Inventory, Hubbell Inc is the reported parent of 35 Form R facilities across 19 states, disclosing 3.8M lbs of toxic releases. 10 of 120 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Ohio (2.2M lbs). Those TRI figures remain self-reported disclosure pounds for Hubbell Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Hubbell Inc: EPA TRI 2023 reporting year
Same facilities, both years
+13.0%
25 facilities that filed in 2022 and 2023
Whole inventory
+13.0%
706.8 thousand lb → 798.6 thousand lb, every facility that filed
Between the two reporting years, 0 facilities filed for the first time and 1 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Hubbell Inc's total reported releases rose from 706.8 thousand lb in 2022 to 798.6 thousand lb in 2023, based on EPA TRI filings.
- Hubbell Inc's off-site transfers rose from 466.5 thousand lb in 2022 to 565.9 thousand lb in 2023, based on EPA TRI filings.
- Hubbell Inc's chemicals reported fell from 28 in 2022 to 27 in 2023, based on EPA TRI filings.
- Hubbell Inc's air releases fell from 240.1 thousand lb in 2022 to 232.5 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Hubbell Inc from filing to facility
Largest Form R sites under this parent: Hubbell Power Systems Inc.; Hubbell Lenoir City Inc; Hubbell Power Systems - Allen Street Complex; Prescolite Inc.. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Zinc compounds; Styrene; Ethylbenzene; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Methanol. Heaviest-reporting states in this extract: Ohio; Tennessee; Missouri. Industry labels on the parent rollup: Computers and Electronic Products; Plastics and Rubber; Electrical Equipment; Fabricated Metals. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Hubbell Power Systems Inc.; Hubbell Lenoir City Inc; Hubbell Power Systems - Allen Street Complex; Prescolite Inc.. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Zinc compounds; Styrene; Ethylbenzene; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Methanol. Heaviest-reporting states in this extract: Ohio; Tennessee; Missouri. Industry labels on the parent rollup: Computers and Electronic Products; Plastics and Rubber; Electrical Equipment; Fabricated Metals.
Hubbell Inc ranks #318 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Hubbell Inc spans 19 states in this extract, placing it among the broader national TRI parent footprints. Hubbell Inc's disclosed pounds are spread across 35 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Hubbell Inc follows facility-reported names. Compare the named neighbors (Cleveland-Cliffs Inc; Ineos US I Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Hubbell Inc sits among TRI parents
Hubbell Inc sits on a disclosure ladder beside Cleveland-Cliffs Inc and Ineos US I Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Cleveland-Cliffs Inc · rank #316 · 64.3M lbs
- Ineos US I Inc · rank #317 · 42.4M lbs
Largest chemicals disclosed by Hubbell Inc
Zinc compounds; Styrene; Ethylbenzene; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Methanol lead the Form R pound rollup for this parent, including filings such as Hubbell Power Systems Inc.. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Zinc compounds | 2.4M lbs |
| Styrene | 566.8K lbs |
| Ethylbenzene | 354.6K lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 272.0K lbs |
| Methanol | 88.5K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Ohio | 2 | 2.2M lbs |
| Tennessee | 1 | 860.5K lbs |
| Missouri | 4 | 249.9K lbs |
| Arkansas | 1 | 104.1K lbs |
| South Carolina | 1 | 96.2K lbs |
| New Hampshire | 2 | 93.9K lbs |
| Oklahoma | 3 | 86.9K lbs |
| Alabama | 3 | 26.9K lbs |
| California | 2 | 26.8K lbs |
| Puerto Rico | 1 | 20.8K lbs |
| North Carolina | 2 | 16.5K lbs |
| Connecticut | 4 | 220 lbs |
| Illinois | 3 | 32 lbs |
| Florida | 1 | 12 lbs |
| New Jersey | 1 | 9 lbs |
| Pennsylvania | 1 | 6 lbs |
| Texas | 1 | 1 lbs |
| Wisconsin | 1 | 0 lbs |
| Indiana | 1 | 0 lbs |
Facilities (35)
Frequently Asked Questions
How much pollution does Hubbell Inc release?
How many facilities does Hubbell Inc operate?
What industries and chemicals show up for Hubbell Inc?
Does Hubbell Inc release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Hubbell Inc on total disclosed release pounds (3.8M lbs) and reporting facility count (35). Release-volume peers include Kinder Morgan, Sekisui America Corp, Shell Oil Co. Facility-count peers include US Department of Homeland Security, Caterpillar Inc, Exxon Mobil Corp. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Ohio, Tennessee, Missouri; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Hubbell Inc's TRI parent record
From Hubbell Inc, open Hubbell Power Systems Inc. or compare against Cleveland-Cliffs Inc rather than reading rank alone.
- Open the largest Form R site for Hubbell Inc (Hubbell Power Systems Inc. in OH). Largest facility
- Compare against Ineos US I Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Hubbell Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Cleveland-Cliffs Inc, Ineos US I Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Hubbell Inc's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.