Enersys
7 facilities · 5 states · 15.7M lbs total releases
According to the EPA Toxics Release Inventory, Enersys is the reported parent of 7 Form R facilities across 5 states, disclosing 15.7M lbs of toxic releases. 2 of 18 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Missouri (9.8M lbs). Those TRI figures remain self-reported disclosure pounds for Enersys, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Enersys: EPA TRI 2023 reporting year
Same facilities, both years
-95.1%
6 facilities that filed in 2022 and 2023
Whole inventory
-95.1%
5.0 million lb → 247.4 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.
- Enersys's total reported releases fell from 5.0 million lb in 2022 to 247.4 thousand lb in 2023, based on EPA TRI filings.
- Enersys's off-site transfers fell from 5.0 million lb in 2022 to 188.3 thousand lb in 2023, based on EPA TRI filings.
- Enersys's air releases fell from 62.4 thousand lb in 2022 to 59.0 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Enersys from filing to facility
Largest Form R sites under this parent: Enersys Delaware Inc.; Enersys Energy Products Inc-Springfield 2 (formerly Northsta; Enersys Energy Products Inc-Springfield 1 (formerly Northsta; Enersys Energy Products Inc ( Formerly Hawker Energy). Neighbor parents on the disclosure ladder: Ppl Corp; Big Rivers Electric Corp; East Kentucky Power Cooperative Inc. Largest disclosed chemicals by pounds: Lead compounds; Lead And Lead Compounds; Methyl methacrylate; Nonylphenol; Antimony And Antimony Compounds. Heaviest-reporting states in this extract: Missouri; Kentucky; Kansas. Industry labels on the parent rollup: Electrical Equipment. 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: Enersys Delaware Inc.; Enersys Energy Products Inc-Springfield 2 (formerly Northsta; Enersys Energy Products Inc-Springfield 1 (formerly Northsta; Enersys Energy Products Inc ( Formerly Hawker Energy). Neighbor parents on the disclosure ladder: Ppl Corp; Big Rivers Electric Corp; East Kentucky Power Cooperative Inc. Largest disclosed chemicals by pounds: Lead compounds; Lead And Lead Compounds; Methyl methacrylate; Nonylphenol; Antimony And Antimony Compounds. Heaviest-reporting states in this extract: Missouri; Kentucky; Kansas. Industry labels on the parent rollup: Electrical Equipment.
Enersys ranks #106 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Enersys files across 5 states, a regional parent portfolio rather than a single-state discloser. Enersys's disclosed pounds are spread across 7 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Enersys follows facility-reported names. Compare the named neighbors (Ppl Corp; Big Rivers Electric Corp; East Kentucky Power Cooperative Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Enersys sits among TRI parents
Enersys sits on a disclosure ladder beside Ppl Corp and Big Rivers Electric Corp and East Kentucky Power Cooperative Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Ppl Corp · rank #104 · 25.6M lbs
Lower disclosed volume
- Big Rivers Electric Corp · rank #107 · 12.8M lbs
- East Kentucky Power Cooperative Inc · rank #108 · 8.5M lbs
Largest chemicals disclosed by Enersys
Lead compounds; Lead And Lead Compounds; Methyl methacrylate; Nonylphenol; Antimony And Antimony Compounds lead the Form R pound rollup for this parent, including filings such as Enersys Delaware Inc.. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Lead compounds | 9.3M lbs |
| Lead And Lead Compounds | 6.3M lbs |
| Methyl methacrylate | 70.0K lbs |
| Nonylphenol | 50.7K lbs |
| Antimony And Antimony Compounds | 17.1K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Missouri | 3 | 9.8M lbs |
| Kentucky | 1 | 5.7M lbs |
| Kansas | 1 | 158.4K lbs |
| Tennessee | 1 | 20.2K lbs |
| Washington | 1 | 0 lbs |
Facilities (7)
| Facility | Releases |
|---|---|
| Enersys Delaware Inc. Richmond, KY | 5.7M lbs |
| Enersys Energy Products Inc-Springfield 2 (formerly Northsta Springfield, MO | 5.4M lbs |
| Enersys Energy Products Inc-Springfield 1 (formerly Northsta Springfield, MO | 4.1M lbs |
| Enersys Energy Products Inc ( Formerly Hawker Energy) Warrensburg, MO | 231.4K lbs |
| Enersys Hays, KS | 158.4K lbs |
| Hawker Powersource Inc Ooltewah, TN | 20.2K lbs |
| Alpha Technologies Services Inc. Bellingham, WA | 0 lbs |
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Enersys on total disclosed release pounds (15.7M lbs) and reporting facility count (7). Release-volume peers include Lsb Industries Inc, The Mosaic Co, Lamb Weston Inc. Facility-count peers include A O Smith Corp, Ahf Products LLC, Aisin Holdings of America. 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 Missouri, Kentucky, Kansas; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Enersys's TRI parent record
From Enersys, open Enersys Delaware Inc. or compare against Ppl Corp rather than reading rank alone.
- Open the largest Form R site for Enersys (Enersys Delaware Inc. in KY). Largest facility
- Compare against Ppl Corp, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Enersys sits among all slug-merged TRI parents. All parent companies
Rank and peers (Ppl Corp, Big Rivers Electric Corp) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Enersys'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.