title: Erratum.
abstract: Due to an editing error, the capacities of two nuclear plants were incorrectly described in the 25 March issue, p. 1312. The Millstone 1 plant has a capacity of 630, not 830 megawatts, and Millstone 3 will have a capacity of 1150, not 1000 megawatts.
authors.forename: D
authors.initials: D
authors.lastname: Shapley