U.S. nuclear-power production rose for the first time since Feb. 10 as NextEra Energy Inc. and Duke Energy Corp. increased output by reactors in the Southeast.

Generation gained 0.1 percent to 86,847 megawatts, or 85 percent of capacity, according to U.S. Nuclear Regulatory Commission data compiled by Bloomberg. Output was 2.7 percent lower than a year ago, with 14 of 104 reactors offline.