 the duane arnold energy center (daec) is located on a  site on the west bank of the cedar river, two miles (3&nbsp;km) north-northeast of palo, iowa, usa, or eight miles (13&nbsp;km) northwest of cedar rapids. it is iowa's only nuclear power plant. daec entered operation in june 1974. it currently generates a net power output of approximately 615&nbsp;megawatts using a single general electric bwr 4 boiling water reactor inside of a mark 1 pressure suppression type containment. the majority owner and operator is nextera energy resources (70%). the central iowa power cooperative owns 20% and the corn belt power cooperative owns 10%. ==surrounding population== the nuclear regulatory commission defines two emergency planning zones around nuclear power plants: a plume exposure pathway zone with a radius of , concerned primarily with exposure to, and inhalation of, airborne radioactive contamination, and an ingestion pathway zone of about , concerned primarily with ingestion of food and liquid contaminated by radioactivity.http://www.nrc.gov/reading-rm/doc-collections/fact-sheets/emerg-plan-prep-nuc-power-bg.html the 2010 u.s. population within  of duane arnold was 107,880, an increase of 8.2 percent in a decade, according to an analysis of u.
Buildings_and_structures_in_Linn_County,_Iowa Energy_in_Iowa Energy_infrastructure_completed_in_1975 NextEra_Energy