Bangladesh, July 23 -- While it suggests that private capital could play a role in funding the country's energy security, taxpayers are likely to take much of the risk. Brookfield's reported plan to take a 25 percent stake in the Sizewell C nuclear project would mark a big vote of confidence in Britain's atomic energy revival. But while it suggests that private capital could play a role in funding the country's energy security, taxpayers are likely to take much of the risk.The Canadian giant is no stranger to infrastructure, but nuclear power comes with high upfront costs, delays and cost overruns. Sizewell C could cost up to 40 billion pounds ($54 billion) to build, the Financial Times says, up from the latest government estimate of 20 bil...