Rising costs from gas and oil are sited by supporters of a programme to bring reactors back on line, but ageing plant and risks raise widespread concern An otherwise unremarkable town in south-west Japan will be propelled this week to the forefront of the country’s biggest experiment with nuclear power since the Fukushima disaster in March 2011.After months of debate about safety, Japan will begin producing nuclear energy for the first time in almost two years close to the town of Satsumasendai as early as Tuesday.