EPA TRI Facility · Electric Utilities

Calpine Mid Merit LLC York Energy Center

Delta, PA · Parent: Calpine Corp

Total releases
190.7K lbs
Chemicals reported
6
Carcinogens
2
Primary pathway
Air Releases

AIR Form-R mix

Calpine Mid Merit LLC York Energy Center: how the 240.6K lbs splits

240.6K lbs across all reported pathways

  • Air Releases 240.6K lbs 100.0%

Calpine Mid Merit LLC York Energy Center's 240.6K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: Ammonia.

Carcinogen-classified pounds vs other reported pounds

Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.

MID volume AIR pathway TRACE-CARC

Calpine Mid Merit LLC York Energy Center is an EPA Toxics Release Inventory reporter in Delta, PA, in the electric utilities sector. It reported 49.9K lbs of releases across 2 chemicals in 2024, and 190.7K lbs in total across its 2019-2024 reporting years. That ranks 3,327 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Pennsylvania's 1,010 reporting TRI sites, pounds #1 is not chemical-count #1. Calpine Mid Merit LLC York Energy Center is pounds #139 and chemical-count #187 at 190.7K lbs. Max Environmental -- Yukon Facility leads reported pounds (34.8M lbs) at 18 chemicals (chemical-count #24). Keystone Cement Co leads chemical count at 53 chemicals (155.4K lbs, pounds #149). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Buck Co Inc; Stoner Inc; Turkey Hill Dairy; Stryten Lampeter LLC. Similar-scale Electric Utilities peers outside Pennsylvania: Cpv Towantic Energy Center; Mge West Campus Cogeneration Facility; Burlington Generating Station; Domtar Paper Co LLC. Other Calpine Corp sites in this extract: Bethlehem Energy Center; Calpine Fore River Energy Center LLC; Edge Moor/hay Road Energy Centers; Cumberland Energy Center. Largest disclosed chemicals by pounds: Ammonia; n-Hexane; Lead And Lead Compounds; Polycyclic aromatic compounds.

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Calpine Mid Merit LLC York Energy Center stamps MID volume with a dominant AIR pathway (100.0% air releases) across 6 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 190.7K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Cpv Towantic Energy Center and Mge West Campus Cogeneration Facility.

#3,327 of 25,986 TRI facilities nationwide by total reported releases. Ranking reflects reported pounds, not toxicity or health risk.

Calpine Mid Merit LLC York Energy Center vs. every reporting TRI facility

Cumulative reported release pounds, with this facility marked in the national distribution

191K lbs Top 13% higher than 87% of 25,986 reporting TRI facilities

This facility 0 lbs 20M+ lbs every reporting TRI facility, bucketed by value

Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.

Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year

Calpine Mid Merit LLC York Energy Center: Ammonia-led volume

Among the 513 Electric Utilities facilities in this database, Calpine Mid Merit LLC York Energy Center reports the 294th-largest volume (190.7K lbs). Its reported volume is concentrated rather than spread: Ammonia alone is 99.5% of the total. Scale peers outside Pennsylvania include Cpv Towantic Energy Center and Mge West Campus Cogeneration Facility.

Concentrated means ≥60% of Calpine Mid Merit LLC York Energy Center's pounds in one chemical - here Ammonia at 99.5%. Not a toxicity score.

Annual disclosure change

What changed: EPA TRI 2023 reporting year

2022 → 2023
  • Calpine Mid Merit LLC York Energy Center's total reported releases fell from 62.9 thousand lb in 2022 to 47.8 thousand lb in 2023, based on EPA TRI filings.
  • Calpine Mid Merit LLC York Energy Center's chemicals reported fell from 6 in 2022 to 2 in 2023, based on EPA TRI filings.
  • Calpine Mid Merit LLC York Energy Center's air releases fell from 62.9 thousand lb in 2022 to 47.8 thousand lb in 2023, based on EPA TRI filings.

Calpine Mid Merit LLC York Energy Center Form-R facts

Sector
Electric Utilities
MID volume
190.7K lbs
AIR pathway
Air Releases
TRACE-CARC chem count
6 · 2 carc.
Lead chemical
Ammonia

Compare this facility

See how Calpine Mid Merit LLC York Energy Center stacks up against nearby facilities and the typical reporter.

Total reported releases
Calpine Mid Merit LLC York Energy Center
190.7K lbs
Buck Co Inc
55.5K lbs

3.4× more than the comparison

Chemicals reported
Calpine Mid Merit LLC York Energy Center
6
Buck Co Inc
5

20% more than the comparison

Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.

How does this facility release toxic chemicals?

How Calpine Mid Merit LLC York Energy Center releases toxic chemicals into the environment. Total: 240.6K lbs.

Air Releases 240.6K lbs (100.0%)
View 5-Year Emissions Trend →

Emissions Trend Summary

From 2019 to 2024, total releases decreased by 14% (58.2K lbs to 49.9K lbs).

Calpine Mid Merit LLC York Energy Center: annual Form-R pounds

MID site · AIR pathway · TRI years 2019–2024

million lbs

What this shows Calpine Mid Merit LLC York Energy Center year-over-year reported totals (decreased by 14% from 2019 to 2024). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Ammonia.

Source EPA Toxics Release Inventory (TRI)
Year Total Chemicals
2019 58.2K lbs 4
2021 21.8K lbs 5
2022 62.9K lbs 6
2023 47.8K lbs 2
2024 49.9K lbs 2

Chemical Releases

Aggregated across all reporting years (2019–2024). 2 of 6 chemicals are carcinogens. Sorted by total release volume.

Chemical Total Flags
Ammonia 239.3K lbs -
n-Hexane 854 lbs -
Lead And Lead Compounds 434 lbs -
Polycyclic aromatic compounds 9 lbs Carcinogen
1,2,4-Trimethylbenzene 0 lbs -
Naphthalene 0 lbs Carcinogen

Calpine Mid Merit LLC York Energy Center · AIR-pathway site

Delta, PA
39.7378, -76.3093
County TRI context
York · 1.5% of county pounds
Parent company
Calpine Corp

Compare beyond Pennsylvania

Nationwide peers by reported pounds & chemical count

Cross-state TRI reporters nearest Calpine Mid Merit LLC York Energy Center on cumulative reported pounds (190.7K lbs) and distinct chemical count (6). Release-pound peers include Empire Cheese, Big River Steel LLC, Rti Advanced Forming Inc.. Chemical-count peers include Eaton Intelligent Power Ltd, Leoni Wire Inc, Turf Care Supply-Hatfield Plant. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.

About TRI Data

Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.

On this page the largest disclosed chemicals include Ammonia, n-Hexane, Lead And Lead Compounds, Polycyclic aromatic compounds; nearby reporters include Buck Co Inc. Calpine Mid Merit LLC York Energy Center stamps MID volume · AIR pathway · TRACE-CARC carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.

Use and verify this record

This Calpine Mid Merit LLC York Energy Center TRI extract (MID · AIR · TRACE-CARC · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.

Calpine Mid Merit LLC York Energy Center totals are self-reported EPCRA §313 estimates for Delta, PA, latest year 2023. Form-R rows span 2019–2024 (5 years). NAICS 221112 · Electric Utilities. 1.5% of York TRI pounds in this extract. Nearest ABS peer: Empire Cheese (Δ 46 lbs). Pounds ≠ exposure.

Calpine Mid Merit LLC York Energy Center stamps MID volume · AIR pathway · TRACE-CARC · lead Ammonia. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.

All federal data sources used on this page
  • EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
  • EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
  • EPA Facility Registry Service - facility location and identity. epa.gov
  • EPA ECHO - regulatory and compliance context. epa.gov
  • EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov