About RockGen Energy Center | Cambridge

Location, Ownership, and Operations

RockGen Energy Center is a natural gas-fired combined-cycle power generation facility near Cambridge, Wisconsin, in Dane County.

  • Facility Type: Natural gas combined-cycle power generation
  • Location: Cambridge, Dane County, Wisconsin
  • Approximate Online Date: Early 2000s
  • Capacity: Several hundred megawatts serving the regional grid
  • Workforce: Boilermakers, pipefitters, insulators, electricians, and millwrights

Construction and Maintenance: When Asbestos-Containing Materials May Have Been Present

RockGen was constructed in the late 1990s and early 2000s, a period when federal regulations had substantially restricted new asbestos use. Workers at the facility may still have encountered asbestos-containing materials through several routes:

  • Legacy products, and other manufacturers reportedly remaining in supply chains through the construction period
  • Maintenance and overhaul work on equipment allegedly installed with asbestos-containing materials, including calcium silicate pipe insulation thermal insulation blocks and spray-applied fireproofing spray-applied fireproofing
  • Contractor workforces from the Heat and Frost Insulators rotating between RockGen and older Wisconsin and Midwest power plants, potentially carrying fiber contamination on tools and clothing

The Multi-Facility Exposure Reality: Wisconsin and the Great Lakes industrial corridor

Many skilled tradespeople who worked at RockGen spent careers rotating between multiple power generation facilities, utility properties, and industrial sites across Wisconsin and the Midwest. The Great Lakes industrial corridor — running from the Milwaukee metropolitan area through Wisconsin’s lakeshore and river-valley manufacturing communities and the surrounding Midwest industrial belt — was one of the most asbestos-intensive industrial zones in the United States through the 1980s.

Workers affiliated with the UA Pipefitters may have accumulated significant asbestos exposure across facilities including:

  • regional steel operations / U.S. Steel (the regional industrial corridor) — a major integrated steel mill where workers may have been exposed to asbestos-containing materials reportedly used extensively in furnace insulation, boiler systems, and pipe covering
  • additional regional steel operations (the regional industrial corridor) — another Great Lakes industrial corridor facility where workers may have been exposed to asbestos-containing materials from multiple manufacturers
  • regional chemical operations (the regional industrial corridor) — where workers are alleged to have encountered asbestos-containing pipe insulation, equipment lagging, and boiler insulation, and other manufacturers
  • comparable regional power stations (the region) — a We Energies coal-fired plant where asbestos-containing materials were reportedly installed throughout boiler systems and high-pressure piping
  • comparable regional power stations (the region) — a coal and gas generation facility where workers may have been exposed to legacy asbestos-containing insulation and gasket materials
  • comparable regional power stations (the region) — a We Energies facility where Heat and Frost Insulators members and UA Pipefitters worked alongside boilermakers and may have been exposed to asbestos-containing materials during maintenance and overhaul operations

The heaviest asbestos burdens typically occurred at older plants built mid-century, where asbestos-containing materials were installed throughout. Newer facilities like RockGen added to that cumulative burden through maintenance of equipment that may have incorporated legacy materials.

Every facility in a worker’s career history — whether in Wisconsin, a neighboring state, or elsewhere — is relevant to disease causation and compensation eligibility. A single work history can support claims against dozens of defendants and trust funds simultaneously.

Wisconsin Filing Deadline Reminder: If any portion of your career involved Wisconsin facilities — including comparable regional power stations — Wisconsin’s 3-year statute of limitations and the approaching

General Equipment at RockGen Energy Center | Cambridge

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.

Boilers View crosswalk › Steam Turbines View crosswalk › Steam Traps View crosswalk › Condensers View crosswalk › Feedwater Heaters View crosswalk › Cooling Towers View crosswalk › Pipe Insulation View crosswalk › Block Insulation View crosswalk › Refractory Lining View crosswalk › Valves View crosswalk › Gaskets View crosswalk › Pumps View crosswalk ›

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:

Thermal System Insulation View crosswalk › Asbestos-Cement Board View crosswalk › Pipe Insulation View crosswalk › Roofing & Flashing View crosswalk › Spray Fireproofing View crosswalk › Floor Tile & Mastic View crosswalk › Ceiling Tile View crosswalk › Gaskets & Packing View crosswalk ›
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

  1. 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.
  2. Preserve medical records. Pathology reports, biopsy results, imaging, and pulmonary-function tests are central to both civil claims and trust-fund filings.
  3. 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.
  4. 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:

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.