About Edgewater Generating Station | Sheboygan, WI | Wisconsin
The Edgewater Generating Station in Sheboygan, Wisconsin — operated by Wisconsin Power and Light Company (WP&L), now part of Alliant Energy — is a coal-fired power plant where hundreds of workers may have been exposed to asbestos-containing materials across more than seven decades of operation. Workers in construction, maintenance, operations, and contractor roles between the 1950s and 2020s may face health consequences with latency periods of 10, 20, or even 40 years or more.
Wisconsin and Illinois workers were not insulated from these risks. Contractor trades traveling from Wisconsin and Illinois to Wisconsin jobsites along the Mississippi River industrial corridor — insulators, pipefitters, boilermakers — may have carried asbestos-related hazards home with them. If you live in Wisconsin today and worked at Edgewater, you have legal rights enforceable in Milwaukee County Circuit Courts, among the most active asbestos lawsuit venues in the country.
With pending legislation threatening to reshape the legal landscape for claims filed after August 28, 2026, the time to contact a Wisconsin mesothelioma lawyer is now.
Facility History and Operations
The Edgewater Generating Station is a coal-fired electric generating facility on the western shore of Lake Michigan in Sheboygan, Wisconsin.
Facility Details:
- Address: 231 Pagel Road, Sheboygan, WI 53081
- Operator: Wisconsin Power and Light Co. (WP&L), now Alliant Energy
- Type: Coal-fired steam electric generating station
- Unit 4 Capacity: ~330 megawatts
- Unit 5 Capacity: ~380 megawatts
- Years of Operation: Early 1950s through 2022 (decommissioning ongoing)
- Workforce: Hundreds of direct employees plus an extensive contractor workforce
- Regulatory Agencies: EPA and Wisconsin DNR
Construction and Potential ACM Installation Phases
Asbestos-containing materials may have been installed during every construction and expansion phase at Edgewater:
- Unit 1: Early 1950s
- Units 2 & 3: Late 1950s–early 1960s
- Unit 4: Commissioned 1969
- Unit 5: Completed 1985
Each phase may have involved installation, disturbance, or removal of asbestos-containing products from manufacturers including. Workers who built, operated, maintained, or are now involved in dismantling this facility over its 70-plus year lifespan may have been repeatedly exposed to asbestos-containing materials.
Why This Matters to Wisconsin residents
The Mississippi River industrial corridor — running north from St. Louis through Illinois — was a primary labor pipeline for major Midwest construction and maintenance projects, including power plants like Edgewater. Missouri-based tradespeople regularly traveled for plant outages and major construction jobs. Workers who spent the bulk of their careers at Missouri facilities such as Ameren’s Labadie Energy Center (Franklin County) or Portage des Sioux Power Station (St. Charles County) may have supplemented their work histories with Wisconsin jobsites — accumulating cumulative asbestos-containing material exposures across multiple states.
That multi-state exposure history is directly relevant to the legal claims available under Wisconsin law today.
If you are a Wisconsin resident with multi-state work experience and a recent diagnosis, understand this: Wisconsin’s 3-year filing window runs from your diagnosis date. The pending August 28, 2026 effective date of
Regulatory Context
Edgewater has been subject to National Emission Standards for Hazardous Air Pollutants (NESHAP) compliance requirements governing asbestos abatement during renovation and demolition. Those requirements exist precisely because asbestos-containing materials are known to be present in older industrial facilities of this type and vintage.
Phase 1: Original Construction (1950s–1960s) — Highest Exposure Risk
During construction of the earliest Edgewater units, asbestos-containing materials may have been present in essentially every aspect of power plant assembly. Workers in construction, insulation, and equipment installation during this phase may have been exposed to:
- Raw asbestos-containing pipe insulation applied to pipes, boilers, and steam lines — including calcium silicate pipe insulation pipe wrap and Thermobestos insulation reportedly supplied by
- Asbestos-containing joint compounds and cements used during equipment fitting and assembly — including products allegedly supplied by
- Asbestos-containing board and panels installed in control rooms and administrative areas — including products allegedly supplied by
- Asbestos-containing floor tiles throughout the facility — including Gold Bond products from Armstrong and similar products from
Freshly applied asbestos-containing materials release more airborne fibers than aged, intact materials. This construction phase likely represents the highest-exposure era at Edgewater.
Missouri and Illinois union members who worked at comparable facilities during the same era — including Labadie and Portage des Sioux power stations in Missouri, and Granite City Steel in Madison County, Illinois — experienced this same pattern of construction-era asbestos-containing material exposure. Workers who traveled between these facilities and Wisconsin jobsites during the 1950s and 1960s may have accumulated significant cumulative exposures.
If work at Edgewater during this period has now produced a diagnosis, Wisconsin’s 3-year statute of limitations is running from your diagnosis date — and
Phase 2: Expansion and Intensive Maintenance (1960s–1980s)
Construction of Unit 4 (1969) and Unit 5 (1985), combined with decades of routine maintenance and major overhauls, created ongoing asbestos-containing material exposure potential. During this period:
- Maintenance turnarounds may have required workers to remove and replace insulation from pipes, turbines, and boilers — generating concentrated airborne fiber releases in enclosed plant spaces
- Insulation contractors, including members of Heat and Frost Insulators Local 1 (St. Louis) who may have traveled to Wisconsin jobsites, were regularly brought in to reinsulate equipment after major overhauls
- Gasket and packing replacement on valves and flanges — including products allegedly supplied by gaskets and packing and — may have released asbestos-containing fibers during removal and installation
- Boiler repairs and refractory work may have disturbed asbestos-containing fireproofing and refractory materials installed during original construction
- Bystander exposure was a real and documented risk: workers present in plant spaces when other trades disturbed asbestos-containing materials may have inhaled airborne fibers without ever performing hands-on insulation work themselves
Generating Unit Equipment — Public Registry
The following generating units are documented in the North American Electric Generating Plants database for this facility. This database is maintained by UDI/S&P Global and draws on federal EIA filings and state regulatory records.
| Unit | Year | Capacity | Fuel | Boiler Type | Boiler/Steam Sys Mfr | Turbine Mfr | Generator Mfr | Steam Params | Status |
|---|---|---|---|---|---|---|---|---|---|
| Edgewater (Wi) 1 | 1931 | 30 MW | Coal | Retired 1985 | |||||
| Edgewater (Wi) 2 | 1942 | 33 MW | Coal | Bw | Ac | Ac | 600 PSI / 800°F | Retired 1985 | |
| Edgewater (Wi) 3 | 1951 | 60 MW | Coal | Cyclone | Bw | Ac | Ac | 1250 PSI / 950°F | Operating |
| Edgewater (Wi) 4 | 1969 | 330 MW | Coal | Cyclone | Bw | Ge | Ge | 2000 PSI / 1000°F | Operating |
| Edgewater (Wi) 5 | 1985 | 380 MW | Coal | Opposed | Bw | Ge | Ge | 2400 PSI / 1000°F | Operating |
Source: UDI/S&P Global North American Electric Generating Plants database (NAMERICA 2025). Public reference data.
General Equipment at Edgewater Generating Station | Sheboygan, WI | Wisconsin
The equipment below represents the systems and infrastructure documented or typically present at this facility during the era when asbestos-containing materials were specified in industrial construction. This is general facility-equipment reference — not a legal attribution of any specific product, manufacturer, or exposure event to this facility. Material-category and manufacturer information is addressed in the AsbestosIndex Product Crosswalk linked under the records table below.
Documented Asbestos Evidence
The records below are verified, state-documented asbestos removals at this facility. Each entry represents a regulated abatement project where the Wisconsin Department of Natural Resources (Wisconsin DNR) was notified under federal NESHAP rules, the work was logged, and the asbestos-containing material was confirmed and removed under regulated conditions. These are not allegations or estimates — they are paper records tying documented asbestos-containing material to this specific site.
No Wisconsin DNR NESHAP abatement notifications have been identified for this facility in current public records. Per the framing above, absence of state-agency documentation should not be read as absence of asbestos — only as absence of a formal, regulated abatement event meeting reporting thresholds. Workers who recall encountering pipe insulation, block insulation, gaskets, or other asbestos-era construction materials at this facility may still have viable claims regardless of whether a state record exists.
Material Categories in Documented Records
The materials documented above (and similar asbestos-containing materials commonly encountered in records of this type) appear in the AsbestosIndex catalog with historical manufacturer and trust-fund information. Click a category to view manufacturers historically associated with that material:
⚠️ Critical Filing Deadline
Wisconsin law gives mesothelioma and asbestos-disease victims 3 years from the date of medical diagnosis to file a personal injury lawsuit (Wis. Stat. § 893.54). For wrongful death claims after an asbestos-related death, the filing window is 3 years from the date of death (Wis. Stat. § 893.54). Miss either deadline by a single day and the right to file is permanently gone. No exceptions, no extensions.
About the two deadlines: Wisconsin keeps the personal-injury clock (Wis. Stat. § 893.54) and the wrongful-death clock (Wis. Stat. § 893.54) on separate tracks. The 3 years personal-injury deadline runs from the date of diagnosis and applies to the diagnosed person's own claim while they are alive. The 3 years wrongful-death deadline runs from the date of death and applies to surviving family members. The two are independent — preserving one does not extend the other, and an asbestos attorney with experience in Wisconsin can keep both options open as the situation evolves.
The personal-injury clock runs from the date of medical diagnosis — not from the date of asbestos exposure. Mesothelioma can take 20 to 50 years to develop after exposure. Many workers are only now receiving diagnoses from exposures that occurred decades ago.
Treat the 3 years deadline as a hard outer limit, not a planning horizon.
⚠️ Why You Must Act Now
Wisconsin's filing window may sound like ample time. It is not. Every month that passes after a mesothelioma diagnosis is a month in which your case gets harder to build and your options narrow.
Witnesses Become Harder to Reach
The tradespeople who worked alongside mesothelioma victims at facilities of this era are now in their 70s and 80s. Witnesses from many years ago are harder and harder to contact by the day — coworkers who can testify about which asbestos-containing materials were used, who supplied them, and how the work was done are increasingly difficult to locate. Once first-hand testimony becomes unavailable, that record is gone.
Records Disappear
Employment records, union records, purchasing records, and product invoices that document exactly which asbestos-containing materials were used at this facility are being lost every year. Plants close. Corporate owners change. Storage facilities are cleared. Records that existed five years ago may not exist today.
Mesothelioma Cases Are Complex to Build
Identifying every responsible manufacturer and every jobsite across a tradesperson's career requires intensive investigation by experienced toxic-tort counsel. A case against the manufacturers who supplied asbestos-containing materials to this facility may involve dozens of defendants. That investigation takes time that waiting families do not have.
Asbestos Trust Fund Claims Run on a Separate Track
More than 60 asbestos bankruptcy trusts exist to compensate victims whose exposures came from manufacturers that have since gone bankrupt — including the Manville Personal Injury Settlement Trust, established after the 1982 Johns-Manville bankruptcy. Each trust has its own claim forms, exposure criteria, documentation requirements, and processing timelines. Pursuing trust-fund compensation in parallel with a lawsuit takes months. The trust-fund process should start now, not after you decide whether to file suit.
What To Do Next
If you or a family member has been diagnosed with mesothelioma, asbestosis, or another asbestos-related disease — and you worked at this facility, lived with someone who did, or worked at neighboring industrial sites in the corridor — the practical next steps are:
- Speak with an asbestos attorney with experience in Wisconsin. The first conversation is free, confidential, and creates no obligation. An experienced attorney will help you understand which trust-fund claims may apply, which civil claims are viable, and what documentation you should start gathering.
- Gather what you can about your work history. Pay stubs, W-2s, union cards, photographs, names of coworkers, and dates of employment all become important evidence. The WorkChain widget on this page can help you organize and email yourself a copy of your facility list.
- Preserve your medical records. Pathology reports, biopsy results, imaging, and pulmonary-function tests all become part of the legal record. Ask your treating physicians for full copies of everything in your chart.
- Identify household members who may also have been exposed. Spouses who laundered work clothing and children who hugged a parent returning from the plant are eligible for secondary-exposure claims when they have been diagnosed with an asbestos-related disease.
- Act before the filing deadline runs. Wisconsin's statute of limitations is a hard outer limit. Even if you are still in the middle of treatment decisions, beginning the legal process early preserves your options.
Get a free case evaluation from an asbestos attorney with experience in Wisconsin →
Asbestos-Related Diseases
Asbestos fiber exposure can cause several specific diseases that typically appear decades after the original exposure. The latency period — the gap between exposure and diagnosis — usually runs 20 to 50 years. That's why workers exposed in the 1960s, 1970s, and 1980s are receiving diagnoses today.
Mesothelioma
A rare, aggressive cancer that affects the lining of the lungs (pleural mesothelioma), abdomen (peritoneal), or heart (pericardial). Mesothelioma is almost exclusively caused by asbestos exposure, which is why a mesothelioma diagnosis often points directly to historical workplace exposure. Average latency from first exposure to diagnosis is 30-50 years.
Asbestosis
A chronic, non-cancerous scarring of lung tissue caused by inhaled asbestos fibers. Asbestosis causes progressive shortness of breath, persistent cough, and reduced lung function. It does not improve with treatment, and it is a recognized basis for compensation under most trust schedules and civil claims.
Lung Cancer
Asbestos exposure significantly increases the risk of lung cancer, particularly when combined with a history of smoking. Asbestos-related lung cancer is compensable under the same trust schedules and civil claim avenues as mesothelioma.
Other Recognized Diseases
Pleural plaques, pleural thickening, laryngeal cancer, ovarian cancer, and certain gastrointestinal cancers are also recognized as asbestos-related under various trust schedules and case-law authorities, though eligibility and proof requirements vary by claim type.
If you have any of these diagnoses and you worked at this facility, lived with someone who did, or were exposed in any documented capacity, you may have a claim worth pursuing. Speak with an attorney before assuming you don't qualify.
Data Sources
Information about facility equipment, industrial materials, and occupational records referenced on this page is drawn from publicly available sources where applicable, including:
- EPA ECHO Facility Compliance Database — enforcement and compliance records for industrial facilities
- OSHA Establishment Search — federal workplace inspection history
- EIA Form 860 Plant Data — power-plant equipment and ownership records (where applicable)
- Wisconsin Department of Natural Resources NESHAP asbestos abatement notification records
- Published asbestos trial and trust fund records (publicly filed court documents)
- AsbestosIndex Product & Manufacturer Crosswalk — historical asbestos-containing product schedules linked to manufacturers
If specific equipment or product claims in this article are sourced from a non-public database, the source is identified parenthetically within the text above.