Nautilus Power LLC
3 facilities · 3 states · 56.2K lbs total releases
According to the EPA Toxics Release Inventory, Nautilus Power LLC is the reported parent of 3 Form R facilities across 3 states, disclosing 56.2K lbs of toxic releases. 2 of 7 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is New Hampshire (54.4K lbs). Those TRI figures remain self-reported disclosure pounds for Nautilus Power LLC, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Nautilus Power LLC: EPA TRI 2023 reporting year
Same facilities, both years
-43.9%
2 facilities that filed in 2022 and 2023
Whole inventory
-43.9%
20.3 thousand lb → 11.4 thousand lb, every facility that filed
- Nautilus Power LLC's total reported releases fell from 20.3 thousand lb in 2022 to 11.4 thousand lb in 2023, based on EPA TRI filings.
- Nautilus Power LLC's air releases fell from 20.3 thousand lb in 2022 to 11.4 thousand lb in 2023, based on EPA TRI filings.
- Nautilus Power LLC's chemicals reported fell from 4 in 2022 to 3 in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Nautilus Power LLC from filing to facility
Largest Form R sites under this parent: Essential Power Newington; Lakewood Cogeneration; Essential Power Massachusetts LLC West Springfield Station. Neighbor parents on the disclosure ladder: Watts Water Technologies; Gsp Merrimack LLC; Emd Holding Corp; Fujifilm Holdings America Corp. Largest disclosed chemicals by pounds: Ammonia; 1,2,4-Trimethylbenzene; n-Hexane; Naphthalene; Benzo[g,h,i]perylene. Heaviest-reporting states in this extract: New Hampshire; New Jersey; Massachusetts. Industry labels on the parent rollup: Electric Utilities. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Largest Form R sites under this parent: Essential Power Newington; Lakewood Cogeneration; Essential Power Massachusetts LLC West Springfield Station. Neighbor parents on the disclosure ladder: Watts Water Technologies; Gsp Merrimack LLC; Emd Holding Corp; Fujifilm Holdings America Corp. Largest disclosed chemicals by pounds: Ammonia; 1,2,4-Trimethylbenzene; n-Hexane; Naphthalene; Benzo[g,h,i]perylene. Heaviest-reporting states in this extract: New Hampshire; New Jersey; Massachusetts. Industry labels on the parent rollup: Electric Utilities.
Nautilus Power LLC ranks #1,927 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Nautilus Power LLC files across 3 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: Essential Power Newington accounts for most of Nautilus Power LLC's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Nautilus Power LLC follows facility-reported names. Compare the named neighbors (Watts Water Technologies; Gsp Merrimack LLC; Emd Holding Corp) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Nautilus Power LLC sits among TRI parents
Nautilus Power LLC sits on a disclosure ladder beside Watts Water Technologies and Gsp Merrimack LLC and Emd Holding Corp and Fujifilm Holdings America Corp. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Watts Water Technologies · rank #1,925 · 472.0K lbs
- Gsp Merrimack LLC · rank #1,926 · 202.8K lbs
Lower disclosed volume
- Emd Holding Corp · rank #1,928 · 46.3K lbs
- Fujifilm Holdings America Corp · rank #1,929 · 42.5K lbs
Largest chemicals disclosed by Nautilus Power LLC
Ammonia; 1,2,4-Trimethylbenzene; n-Hexane; Naphthalene; Benzo[g,h,i]perylene lead the Form R pound rollup for this parent, including filings such as Essential Power Newington. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Ammonia | 68.2K lbs |
| 1,2,4-Trimethylbenzene | 10 lbs |
| n-Hexane | 10 lbs |
| Naphthalene | 5 lbs |
| Benzo[g,h,i]perylene | 0 lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| New Hampshire | 1 | 54.4K lbs |
| New Jersey | 1 | 1.8K lbs |
| Massachusetts | 1 | 0 lbs |
Facilities (3)
| Facility | Releases |
|---|---|
| Essential Power Newington Newington, NH | 54.4K lbs |
| Lakewood Cogeneration Lakewood, NJ | 1.8K lbs |
| Essential Power Massachusetts LLC West Springfield Station West Springfield, MA | 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 Nautilus Power LLC on total disclosed release pounds (56.2K lbs) and reporting facility count (3). Release-volume peers include Modine Manufacturing Co, Textile Rubber & Chemical Co, Plastic Omnium Auto Exterior LLC. Facility-count peers include A-Gas US Holdings Inc, Abb Holdings Inc, Adams Resources & Energy Inc. 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 New Hampshire, New Jersey, Massachusetts; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Nautilus Power LLC's TRI parent record
From Nautilus Power LLC, open Essential Power Newington or compare against Watts Water Technologies rather than reading rank alone.
- Open the largest Form R site for Nautilus Power LLC (Essential Power Newington in NH). Largest facility
- Compare against Gsp Merrimack LLC, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Nautilus Power LLC sits among all slug-merged TRI parents. All parent companies
Rank and peers (Watts Water Technologies, Gsp Merrimack LLC) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Nautilus Power LLC'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.