General view of the BNFL Sellafield Nuclear power plant in Cumbria. BNFL Sellafield nuclear reprocessing plant in Cumbria where workers are set to go on strike next month in a dispute over pay, threatening serious disruption to the site, Tuesday 28 October 2003. The walkout, on November 14, will be the first for 30 years, and will be followed by escalating stoppages unless the row is settled. *260803* Sellafield nuclear power station in Cumbria, it has been reported today August 26th 2003, BNFL is switching from reprocessing to clean-up. The British Nuclear Fuels-owned plant would be converted into a waste-handling operation, the man in charge of Sellafield told The Guardian.