NEW YORK, Jan 4 (Reuters Breakingviews) - Nuclear power received what seem like two plum gifts for 2023. High energy prices and the desire to decarbonize have spurred renewed interest in the technology that provides about 10% of the world’s electricity supply. Yet a surging supply of green power is likely to limit any renaissance. There are 425 active reactors worldwide, according to the World Nuclear Association, about the same as three decades ago. Plants have opened in places like China and closed in Western countries. Nuclear plants are expensive to build, and their complexity often causes projects to go...