Illinois Law Applies to This Jobsite — Act Immediately
This facility is located in Illinois. Asbestos exposure claims arising from work at Illinois jobsites are governed by Illinois law, not Missouri law. Illinois’s statute of limitations for asbestos personal injury claims is 2 years from the date of diagnosis under 735 ILCS 5/13-202 — significantly shorter than Missouri’s 5-year deadline under §516.120.
Missouri residents who worked at this Illinois facility may have claims subject to both Illinois and Missouri law depending on where exposure occurred and which compensation avenue is pursued. Illinois court claims run on the Illinois five-year deadline. Asbestos bankruptcy trust claims run on separate internal trust deadlines. Do not assume Missouri’s 5-year window applies — if you have been diagnosed, consult an attorney who practices in both states immediately.

Asbestos Exposure at Powerton Generating Station: A Legal Guide for Missouri Workers and Families

By a Plaintiff-Side Asbestos Litigation Attorney

Source note: Products, equipment, and companies identified in this article are drawn from public asbestos litigation records, court filings, EPA and OSHA regulatory databases, and publicly available industry records. Product identifications and company references reflect what has been alleged or documented in publicly filed litigation. This article does not constitute a finding of liability against any company.

⚠️ CRITICAL DEADLINE WARNING FOR MISSOURI RESIDENTS
Missouri law gives you 5 years from your mesothelioma or asbestosis diagnosis to file a legal claim under Missouri Revised Statutes §516.120. The clock starts on your diagnosis date — not when your exposure occurred, not when symptoms began. Miss this deadline, and your right to compensation is gone permanently.
That window is now under direct legislative attack.
Missouri If signed, it cuts the filing deadline from 5 years to 3 years — immediately wiping out recovery rights for victims who were counting on the current window. HB 1664 could be signed at any time.
Even under the current 5-year deadline, delay kills cases. Witnesses in their 70s and 80s die before depositions can be taken. Employment records disappear when plants close. Building a mesothelioma case requires identifying dozens of manufacturers and job sites — a process that takes months. Claims against more than 60 asbestos bankruptcy trusts each require separate filings. Every day you wait makes your case harder to prove and your compensation harder to recover.
If you or a family member has been diagnosed with mesothelioma, asbestosis, or lung cancer connected to asbestos exposure, contact a Missouri mesothelioma attorney today.

If You Worked at Powerton, Your Illness May Not Be Coincidence

If you worked at Powerton Generating Station in Tazewell County, Illinois — or if a family member did — you need to understand what the power industry spent decades concealing: this plant was saturated with asbestos-containing materials for most of its operational history. Johns-Manville, Owens-Illinois, Combustion Engineering, and W.R. Grace supplied those materials knowing they were deadly long before any worker received a warning.

Powerton is a documented asbestos exposure site. Johns-Manville, Garlock Sealing Technologies, Crane Co., and Combustion Engineering have each been named in litigation as suppliers of asbestos-containing products that injured workers there. Public litigation records and federal databases — including those maintained by the Energy Information Administration and the EPA — confirm what experienced Missouri asbestos attorneys have known for years.

Your diagnosis date started a legal clock. It is running right now. Missouri law gives you 5 years from that date — and Missouri

This guide is written for:

Former Powerton workers diagnosed with mesothelioma, asbestosis, or lung cancer
Spouses and children who carried asbestos home on their clothes — household and secondary exposure victims
Union members including Heat and Frost Insulators Local 1 (St. Louis), UA Local 562 (United Association of Plumbers and Pipefitters, St. Louis), and Boilermakers Local 27 (St. Louis) who worked maintenance and construction shutdowns at Powerton
Workers who crossed the Mississippi River for Powerton shutdowns and returned to Missouri communities in St. Louis, St. Charles, and Franklin Counties
Anyone whose illness may be connected to asbestos exposure at this plant

If you fall into any of these categories and you have a diagnosis, do not assume you have time to wait. Building a mesothelioma case takes months before a single paper gets filed — and HB 1664 could shorten your deadline to 3 years while you are still deciding.

The Mississippi River industrial corridor — stretching from the St. Louis metro area north through Alton, Granite City, Wood River, and into the Illinois River valley — created a shared labor market and a shared asbestos exposure history. Missouri union members traveled to Illinois job sites. Illinois workers crossed into Missouri. If you lived on either side of that river and worked the power and industrial plants along it, your exposure history spans both states, and your legal options may as well.

Generating Units — Official EIA Form 860 Record

The following unit-level data is drawn from the U.S. Energy Information Administration (EIA) Form EIA-860 Annual Electric Generator Report, the official federal registry of every U.S. power generating unit.

Unit	Online Date	Nameplate Capacity	Prime Mover	Fuel Type	Status
Unit 5	September 1972	892.8 MW	Steam Turbine	Subbituminous Coal	Operating
Unit 6	December 1975	892.8 MW	Steam Turbine	Subbituminous Coal	Operating

Total nameplate capacity: 1,785.6 MW (EIA-verified)

Source: U.S. Energy Information Administration, Form EIA-860 Annual Electric Generator Report — EIA Plant Code 879

Alleged Equipment Manufacturers

Units 5 and 6 (892.8 MW each, online September 1972 and December 1975) are alleged, based on North American powerhouse database records, to have been equipped with Babcock & Wilcox cyclone-fired boilers, General Electric TC4F33.5 steam turbines, and General Electric generators. Babcock & Wilcox cyclone boiler systems manufactured during this period have been alleged in publicly filed asbestos litigation to incorporate asbestos-containing refractory materials, boiler block insulation, and high-temperature sealing compounds throughout the combustion chamber, steam drum, and associated systems. General Electric TC4F-series turbine and generator components have similarly been alleged in asbestos litigation to incorporate asbestos-containing packing, gaskets, and turbine casing insulation. Earlier generating units at this facility (Units 1 through 4, 1927-1940, all retired) predate available powerhouse database records but were constructed during the peak decades of asbestos use in American industrial construction and are alleged to have incorporated comparable asbestos-containing materials throughout their operating lives.

What Was Powerton Generating Station?

Location, Size, and Basic Facts

Powerton Generating Station sits along the Illinois River in Tazewell County, near Pekin, Illinois. Operated by Midwest Generations EME LLC, it is one of the largest coal-fired power plants in Illinois, with a generating capacity of 1,785.6 megawatts.

At that scale, Powerton required:

Enormous coal-fired boiler units — including Combustion Engineering boiler systems — generating steam at extreme temperatures and pressures
Miles of high-pressure steam piping insulated with Johns-Manville Thermobestos and Owens-Illinois Kaylo pipe covering
Turbine halls housing massive generating equipment wrapped in W.R. Grace Monokote and Armstrong World Industries block insulation
Electrical switchgear, panel systems, and wiring throughout the plant
Mechanical systems requiring Garlock Sealing Technologies and Crane Co. Cranite gaskets on every valve and flange

Every one of these systems relied on asbestos-containing materials during construction and throughout decades of operation. The same holds true for the large coal-fired facilities on the Missouri side of the corridor — Labadie Energy Center in Franklin County and Portage des Sioux Power Plant in St. Charles County — where the same manufacturers supplied the same products to the same union trades.

The Workforce That Built and Maintained the Plant

Powerton’s workforce was not just full-time plant operators. Rotating union crews came in for scheduled outages, maintenance shutdowns, and capital construction. These tradespeople worked side by side in enclosed spaces — boiler rooms, turbine decks, pipe chases, underground tunnels — where asbestos dust from Johns-Manville Thermobestos, Owens-Illinois Kaylo, and Celotex Aircell insulation was a constant, invisible presence.

Trades represented at Powerton included:

International Brotherhood of Boilermakers locals from central Illinois, working alongside Boilermakers Local 27 members from St. Louis who traveled throughout the region for large industrial outages
United Association of Plumbers and Pipefitters — including UA Local 562 out of St. Louis, whose members regularly crossed into Illinois for power plant shutdowns along the Mississippi and Illinois River corridors
Heat and Frost Insulators locals from central Illinois, working alongside Heat and Frost Insulators Local 1 in St. Louis, deployed to large industrial outages throughout the region — including Powerton, Labadie, and Portage des Sioux
International Brotherhood of Electrical Workers

Their work was skilled, difficult, and essential. For many of them, it was also fatal.

The labor geography of this region matters directly for your legal claim. If you were a member of Heat and Frost Insulators Local 1, UA Local 562, or Boilermakers Local 27 and you worked shutdowns at Powerton, your Illinois exposure may support claims filed in Missouri courts — and potentially in Madison County or St. Clair County, Illinois, both of which have well-established asbestos dockets with track records of substantial verdicts and settlements.

An asbestos attorney needs time to evaluate which jurisdictions give you the strongest claims and the best path to full compensation. That analysis cannot happen if you wait until the final months of your 5-year window — and it certainly cannot happen if Missouri HB 1664 (2026) passes and the window closes to 3 years while you are still on the fence.

Why Powerton Was One of the Most Asbestos-Intensive Sites in Central Illinois

The Engineering Reality of Coal-Fired Power Generation

Subbituminous coal burns above 1,000 degrees Fahrenheit. The steam it generates moves through miles of pipe under enormous pressure. Every surface that contacted that heat — every fitting, valve, flange, and boiler wall panel — required insulation that could survive those conditions for decades.

For most of the twentieth century, one material was considered indispensable for that job: asbestos.

Chrysotile and amosite asbestos fibers were:

Woven into Johns-Manville Thermobestos and Owens-Illinois Kaylo pipe insulation
Sprayed onto boiler surfaces as W.R. Grace Monokote fireproofing
Mixed into Eagle-Picher Superex insulating cement and block insulation
Built into Garlock Sealing Technologies gaskets and Crane Co. Cranite rope seals
Applied as Celotex Aircell pipe covering throughout the facility’s thermal systems

Johns-Manville, Owens-Illinois, Eagle-Picher, Garlock, and W.R. Grace have each been alleged in publicly filed asbestos litigation to have failed to adequately warn workers of health risks associated with their asbestos-containing products. The same manufacturers selling asbestos materials to facilities like Powerton were simultaneously supplying Labadie Energy Center, Portage des Sioux, and industrial facilities across the St. Louis metro area — including plants associated with Granite City Steel — meaning workers throughout the Missouri-Illinois corridor allegedly faced the same hazards without adequate warning.

Asbestos-Containing Products Documented at Powerton

Public litigation records identify the following asbestos-containing materials at Powerton Generating Station. Missouri workers who handled these products during outages and shutdowns at Powerton may have viable claims under Missouri law — or under Illinois law in Madison or St. Clair County — against the manufacturers who knowingly put these products into commerce:

Product	Manufacturer	Application at Powerton
Thermobestos pipe insulation	Johns-Manville	High-pressure steam lines throughout the plant
Kaylo pipe covering	Owens-Illinois / Owens-Corning	Steam distribution piping
Aircell pipe covering	Celotex Corporation	Thermal insulation on process piping
Monokote spray fireproofing	W.R. Grace & Co.	Structural steel and boiler surfaces
Superex block insulation	Eagle-Picher Industries	Boiler and high-heat equipment insulation

Litigation Landscape

Coal-fired power generating stations like Powerton relied heavily on asbestos-containing materials for thermal insulation, gaskets, pipe wrapping, and equipment sealing throughout the mid-to-late twentieth century. Manufacturers whose products were commonly installed and maintained at facilities of this type include Johns-Manville, Combustion Engineering, Babcock & Wilcox, Crane Co., Garlock, Armstrong, W.R. Grace, and Eagle-Picher. These companies supplied boiler insulation, valve packing, friction products, and refractory materials that exposed workers—including operators, maintenance technicians, insulators, and construction workers—during routine service and repair.

Many of these manufacturers have established asbestos bankruptcy trust funds, including the Johns-Manville Settlement Trust, Combustion Engineering Settlement Trust, Babcock & Wilcox Trust, Crane Co. Trust, Garlock Sealing Technologies Trust, Armstrong Utilities Trust, and Eagle-Picher Industries Trust. Workers exposed at power plants have successfully pursued claims through these trusts, which were funded to compensate injured parties without requiring traditional litigation.

Claims arising from power plant asbestos exposure have been documented in publicly filed litigation across multiple jurisdictions. These cases typically involve allegations of failure to warn, negligent design, and breach of duty by both manufacturers and facility operators. The pattern reflects the widespread, long-term nature of asbestos use in industrial power generation and the extended latency period before mesothelioma and other asbestos-related diseases manifest.

If you worked at Powerton Generating Station and believe you were exposed to asbestos, contact an experienced Missouri asbestos attorney to evaluate your eligibility for trust fund claims and understand your legal options.

Missouri DNR Asbestos Notification Records

No NESHAP asbestos abatement records have been located in Missouri DNR public records specifically naming this facility. If you believe regulatory records exist for this site, contact the Missouri Department of Natural Resources directly:

Missouri DNR, Air Pollution Control Program PO Box 176, Jefferson City, MO 65102 (573) 751-4817

Source: Missouri Department of Natural Resources, NESHAP Asbestos Abatement & Demolition/Renovation Notification Program — public regulatory records.

Recent News & Developments

Powerton Generating Station, located in Tazewell County, Illinois, has been one of the Midwest’s most significant coal-fired power generation facilities, operating under the ownership and management of Midwest Generation and later NRG Energy. While no scraped news articles specific to recent asbestos-related incidents at Powerton appear in current public records, several documented developments at the facility and its regulatory environment are relevant to asbestos exposure concerns.

Operational and Shutdown Activity

Powerton Generating Station has undergone significant operational changes in recent years. The facility was periodically idled and placed in reserve shutdown status as part of broader energy market shifts in Illinois. These transitions from active operation to standby or decommissioning phases are periods of heightened concern under federal asbestos regulations, as aging insulation, boiler lagging, turbine packing, and pipe coverings installed during original construction can be disturbed during mothballing or equipment removal activities.

Regulatory Landscape

No specific OSHA citations or EPA enforcement actions targeting asbestos handling at Powerton have appeared in recently available public records. However, facilities of this type and vintage are subject to EPA National Emission Standards for Hazardous Air Pollutants (NESHAP), codified at 40 CFR Part 61, Subpart M, which requires notification and safe work procedures before any renovation or demolition that may disturb regulated asbestos-containing materials (RACM). OSHA’s construction standard at 29 CFR 1926.1101 governs contractor and maintenance worker exposure during any such activity. Power generation facilities built or substantially constructed before 1980 routinely incorporated asbestos-containing products in boiler systems, turbine halls, electrical components, and structural fireproofing.

Demolition and Renovation Concerns

As Powerton faces the broader industry trend toward retirement of aging coal-fired generation units, any future decommissioning work would trigger mandatory NESHAP notification requirements with the Illinois EPA. Demolition of structures containing legacy asbestos materials — including thermal system insulation on high-pressure steam lines and boiler block insulation — represents one of the highest-risk exposure scenarios recognized by federal regulators.

Product Identification Context

Power stations of Powerton’s era and scale commonly used insulation and refractory products manufactured by companies including Johns-Manville, Owens-Illinois, Combustion Engineering, and Babcock & Wilcox, particularly in boiler construction and high-temperature pipe insulation applications. W.R. Grace and Armstrong World Industries products have also been historically documented at similar Midwestern generating stations in floor tile, ceiling tile, and spray-applied fireproofing applications. No facility-specific product identification documents have been identified in currently available public records.

Litigation Context

No publicly reported asbestos verdicts or settlements specifically naming Powerton Generating Station as a job site have been identified in current records. However, asbestos litigation involving Illinois power plant workers has been documented broadly across state and federal courts, with former boilermakers, pipefitters, insulators, and maintenance contractors among the most commonly identified occupational groups.

Workers or former employees of Powerton Generating Station Tazewell County Illinois who were diagnosed with mesothelioma, lung cancer, or asbestosis may have legal rights under Missouri law. Missouri § 537.046 extends the civil filing window for occupational disease claims.