one day

power plant

(rare) the first day of the month

a place, a scene, a site; an address / (after a plain verb) about to / (after a verb in the past tense) just

by the way, incidentally

which day; how many days (question)

generating power, output / output of information or data

put out, generate / read out / output (of data, etc)

nuclear power plant (abbr. 原発)

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month