What is a shunt reactor, the cause of the Brunot Island substation fire? | Pittsburgh Post-Gazette Post published:July 26, 2023 Post category:Fire The dark smoke that billowed from Brunot Island on Monday night came form a component in an electric substation designed to keep voltage steady. READ MORE Author: CIP-News Read more articles Previous Post6 injured, 31 displaced after Newark apartment explosion rocks building – ABC7 Chicago Next PostNew substation coming to Negaunee – Upper Michigan’s Source