Pinnacle West Capital Corp
2 facilities · 2 states · 8.9M lbs total releases
According to the EPA Toxics Release Inventory, Pinnacle West Capital Corp is the reported parent of 2 Form R facilities across 2 states, disclosing 8.9M lbs of toxic releases. 9 of 50 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is New Mexico (8.3M lbs). Those TRI figures remain self-reported disclosure pounds for Pinnacle West Capital Corp, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Pinnacle West Capital Corp: EPA TRI 2023 reporting year
Same facilities, both years
-36.6%
2 facilities that filed in 2022 and 2023
Whole inventory
-36.6%
2.6 million lb → 1.7 million lb, every facility that filed
- Pinnacle West Capital Corp's total reported releases fell from 2.6 million lb in 2022 to 1.7 million lb in 2023, based on EPA TRI filings.
- Pinnacle West Capital Corp's off-site transfers rose from 27 lb in 2022 to 870 lb in 2023, based on EPA TRI filings.
- Pinnacle West Capital Corp's water releases fell from 1.4 thousand lb in 2022 to 65 lb in 2023, based on EPA TRI filings.
- Pinnacle West Capital Corp's land releases fell from 2.6 million lb in 2022 to 1.6 million lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Pinnacle West Capital Corp from filing to facility
Largest Form R sites under this parent: Four Corners Steam Electric Station; Cholla Power Plant. Neighbor parents on the disclosure ladder: Kinetik Holdings LP; Energy Transfer Partners LP; Public Service Co of New Mexico; Westmoreland Mining LLC. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Barium And Barium Compounds; Vanadium compounds; Manganese compounds; Manganese And Manganese Compounds. Heaviest-reporting states in this extract: New Mexico; Arizona. 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.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Four Corners Steam Electric Station; Cholla Power Plant. Neighbor parents on the disclosure ladder: Kinetik Holdings LP; Energy Transfer Partners LP; Public Service Co of New Mexico; Westmoreland Mining LLC. Largest disclosed chemicals by pounds: Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Barium And Barium Compounds; Vanadium compounds; Manganese compounds; Manganese And Manganese Compounds. Heaviest-reporting states in this extract: New Mexico; Arizona. Industry labels on the parent rollup: Electric Utilities.
Pinnacle West Capital Corp ranks #171 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Pinnacle West Capital Corp files across 2 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: Four Corners Steam Electric Station accounts for most of Pinnacle West Capital Corp's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Pinnacle West Capital Corp follows facility-reported names. Compare the named neighbors (Kinetik Holdings LP; Energy Transfer Partners LP; Public Service Co of New Mexico) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Pinnacle West Capital Corp sits among TRI parents
Pinnacle West Capital Corp sits on a disclosure ladder beside Kinetik Holdings LP and Energy Transfer Partners LP and Public Service Co of New Mexico and Westmoreland Mining LLC. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Kinetik Holdings LP · rank #169 · 31.3M lbs
- Energy Transfer Partners LP · rank #170 · 22.1M lbs
Lower disclosed volume
- Public Service Co of New Mexico · rank #172 · 5.0M lbs
- Westmoreland Mining LLC · rank #173 · 3.6M lbs
Largest chemicals disclosed by Pinnacle West Capital Corp
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)); Barium And Barium Compounds; Vanadium compounds; Manganese compounds; Manganese And Manganese Compounds lead the Form R pound rollup for this parent, including filings such as Four Corners Steam Electric Station. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 2.7M lbs |
| Barium And Barium Compounds | 2.6M lbs |
| Vanadium compounds | 686.1K lbs |
| Manganese compounds | 464.3K lbs |
| Manganese And Manganese Compounds | 417.7K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| New Mexico | 1 | 8.3M lbs |
| Arizona | 1 | 581.7K lbs |
Facilities (2)
| Facility | Releases |
|---|---|
| Four Corners Steam Electric Station Fruitland, NM | 8.3M lbs |
| Cholla Power Plant Joseph City, AZ | 581.7K 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 Pinnacle West Capital Corp on total disclosed release pounds (8.9M lbs) and reporting facility count (2). Release-volume peers include Saint-Gobain Corp, Saputo Inc, Occidental Petroleum 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.
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are New Mexico, Arizona; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Pinnacle West Capital Corp's TRI parent record
From Pinnacle West Capital Corp, open Four Corners Steam Electric Station or compare against Kinetik Holdings LP rather than reading rank alone.
- Open the largest Form R site for Pinnacle West Capital Corp (Four Corners Steam Electric Station in NM). Largest facility
- Compare against Energy Transfer Partners LP, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Pinnacle West Capital Corp sits among all slug-merged TRI parents. All parent companies
Rank and peers (Kinetik Holdings LP, Energy Transfer Partners LP) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Pinnacle West Capital Corp'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.