CHARLOTTE, NC — The cough started gradually, almost politely, and for a long time it was easy to explain away. For many former workers at Duke Energy's coal-fired plants across the Carolinas, or at the Wilmington shipyards that once built Liberty ships around the clock during World War II, that cough is now arriving with a diagnosis they never expected: mesothelioma, decades after their last shift.
New exposure analysis compiled from occupational health records and state cancer surveillance data underscores what researchers have suspected for years. Workers in these industries, power generation and wartime shipbuilding, carry a measurably elevated lifetime risk of pleural mesothelioma compared to the general population, and that risk is only now fully manifesting as the long latency period of asbestos-related disease catches up with an aging workforce.
What the Exposure Records Actually Show
From an occupational health perspective, the pattern emerging from North Carolina's industrial history is both predictable and preventable in hindsight. Duke Energy's network of power plants across the Carolinas, documented through the company's own historical records, relied heavily on asbestos-insulated boilers, turbines, and pipe fittings throughout much of the 20th century. Workers who maintained, repaired, or simply worked near that equipment inhaled asbestos fibers over careers that often spanned 20 to 30 years.
The North Carolina Shipbuilding Company in Wilmington presents a parallel story. According to records preserved by the North Carolina State Archives and documented through NCpedia, the shipyard produced more than 240 vessels between 1941 and 1946, employing tens of thousands of workers in conditions where asbestos insulation was applied in confined spaces with minimal ventilation. Pipe laggers, boilermakers, and welders worked side by side with raw asbestos materials every day.
What the exposure data reveals is a latency problem that makes these diagnoses feel almost invisible until it's too late. The American Cancer Society notes that mesothelioma typically takes 20 to 50 years to develop after initial asbestos exposure, meaning workers from both industries are entering their highest-risk window right now, in 2026.
Why This Matters Beyond the Statistics
The numbers alone don't capture what's happening in communities like Wilmington, Durham, or Asheville. Consider a composite portrait drawn from occupational health records: a 71-year-old former Duke Energy plant mechanic who spent 28 years replacing boiler insulation, retiring in 1998. He had no reason to think about asbestos again. Then, in 2024, a routine chest X-ray flagged a pleural effusion. By the time a biopsy confirmed pleural mesothelioma, the disease had already progressed.
That scenario, repeated across hundreds of North Carolina households, reflects a systemic failure to connect past workplace exposure to present medical reality. Workers in these industries often don't know they're at elevated risk, don't know what symptoms to watch for, and don't know that diagnosis and treatment options have advanced significantly in recent years.
The clinical picture has shifted. According to results from the CheckMate 743 trial, published in the New England Journal of Medicine, the immunotherapy combination of nivolumab plus ipilimumab demonstrated superior overall survival compared to standard chemotherapy in patients with unresectable pleural mesothelioma. Median overall survival reached 18.1 months in the immunotherapy arm versus 14.1 months with chemotherapy. That's not a cure, but it represents a meaningful extension of life for patients who previously had few options.
"From an occupational health perspective, the tragedy isn't just the diagnosis," said Anna Jackson, occupational health advocate. "It's that so many of these workers had no idea the materials they handled every day were going to follow them home for the rest of their lives."
What North Carolina Workers and Families Need to Know
If you worked at a Duke Energy coal plant, the North Carolina Shipbuilding Company, or any facility that handled asbestos insulation before the 1980s, the most important thing you can do right now is discuss your occupational history with a pulmonologist or thoracic oncologist. Symptoms including persistent cough, chest pain, or unexplained shortness of breath should prompt imaging, not watchful waiting.
The UNC Lineberger Comprehensive Cancer Center's thoracic oncology program, based in Chapel Hill, offers specialized evaluation and access to clinical trials for patients with suspected or confirmed mesothelioma. The National Cancer Institute's clinical trials database lists currently enrolling studies for mesothelioma patients across the country, including trials investigating immunotherapy combinations and novel targeted therapies.
For families navigating the legal and financial dimensions of a diagnosis, the path forward is more accessible than many realize. Asbestos bankruptcy trust funds, established by former manufacturers of asbestos-containing products, have paid out more than $20 billion in claims since their inception. Many North Carolina workers who handled products from companies like Owens Corning or Armstrong World Industries may be eligible to file claims without ever stepping into a courtroom. A trust fund eligibility check can help families identify which funds apply to their specific exposure history.
For patients and families who want to understand the full range of legal and medical options available, our patients and families resource hub provides guidance on everything from finding a specialist to understanding compensation timelines.
North Carolina's industrial past is not going away. But the medical and legal resources available to the workers it left behind are more robust than ever, provided those workers know where to look.
This article is for informational purposes only and does not constitute medical advice. Consult your healthcare provider for guidance specific to your situation.