Preventing Bunker Fires at Wisconsin Service Pulliam Station Wisconsin Public Service, Pulliam Power Plant - Green Bay, Wisconsin The Need Wisconsin Public Service’s Pulliam Station has six active units totaling 375 MW capacity. The original plant was built in 1926. Back then, as a result of wide availability of coarse, low moisture, bituminous coal, limited consideration was given to coal flow. Design factors centered around corrosion and abrasion resistance. This often resulted in funnel flow design of silos and bunkers, as was the case at Pulliam Station. In 1991, Pulliam Station changed fuel, and switched to PRB coal. Shortly after, the Station experienced a tripper floor explosion that was triggered by a bunker fire in a coal mine. PRB coal had ignited spontaneously and led to a

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