Arkansas Nuclear One nuclear power plant

Arkansas Nuclear One nuclear power plant in context

By gross operating capacity Arkansas Nuclear One nuclear power plant is the 23rd largest of 54 operating nuclear sites in the United States, holding 2% of the country's operating capacity, and ranks 93rd of 172 worldwide.

Its operating units started up between 1974 and 1980; the median unit is 49.0 years old, older than the median of 45.0 in the United States.

The 2 units with both construction and grid dates on record took 5.9 to 10.1 years (median 8.0) from construction start to grid connection; the median across all reactors connected in the 1970s is 5.4 years.

No other nuclear site with an exact position in this dataset lies within 300 km.

2 operating units are rated differently now from their design net capacities: Unit 1 -1.6% and Unit 2 +8.3%.

Build time by unit

How these are worked out: ranks use gross operating capacity; ages count from the start-up year on record, as on the age page; build times run from construction start to grid connection, as on the build-times page; ratings are the tracker's net and design net capacity, as on the uprates page. Distances are straight-line between exact positions, so a site with only an approximate position gets none. A unit missing a date or a rating is left out of the figure that needs it.