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 to Wisconsin jobsites along the Great Lakes 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 the Wisconsin Circuit Court for the county where your exposure occurred, including Milwaukee County.
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 Great Lakes industrial corridor — running south from Milwaukee into Illinois — was a primary labor pipeline for major Midwest construction and maintenance projects, including power plants like Edgewater. Tradespeople regularly traveled for plant outages and major construction jobs. Workers who spent the bulk of their careers at other Wisconsin facilities such as We Energies’s comparable regional power stations or comparable regional power stations (the region) may have supplemented their work histories with additional Wisconsin jobsites — accumulating cumulative asbestos-containing material exposures across multiple sites.
That exposure history is directly relevant to the legal claims available under Wisconsin law today.
If you are a Wisconsin resident with a work history spanning multiple sites 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.
Union members who worked at comparable facilities during the same era — including comparable regional power stations and comparable regional power stations power stations in Wisconsin, and regional steel operations in the region — experienced this same pattern of construction-era asbestos-containing material exposure. Workers who traveled between these facilities and Edgewater 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 the Heat and Frost Insulators 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 — Wisconsin
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:
Wisconsin — Filing Deadline & Next Steps
Wisconsin law gives mesothelioma and asbestos-disease claimants 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). The two deadlines run on separate tracks — preserving one does not extend the other.
The personal-injury clock runs from diagnosis, not from exposure. Mesothelioma latency is typically 20 to 50 years, so workers exposed in the 1950s–1980s are being diagnosed today.
Practical first steps
- Document what you remember. Pay stubs, W-2s, union cards, photographs, coworker names, and dates of employment. The WorkChain widget on this page can save a copy you can email yourself.
- Preserve medical records. Pathology reports, biopsy results, imaging, and pulmonary-function tests are central to both civil claims and trust-fund filings.
- Identify household members. Spouses who laundered work clothing and children of plant workers are eligible for secondary-exposure claims when diagnosed with an asbestos-related disease.
- Speak with an asbestos attorney with Wisconsin experience. The first conversation is free and confidential. Asbestos trust-fund claims and civil claims run on different tracks — both can be pursued in parallel.
Asbestos-Related Diseases — Wisconsin
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 a claim 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 — Wisconsin
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.