The present invention relates to a coolant intake apparatus for a power plant and a power plant including the same and, more specifically, to a coolant intake apparatus for power plant and a power plant including the same to facilitate the installation of the facilities of a coolant intake structure necessary for a power plant without a consideration on the ground stability of an intake place and to minimize the pre-installation of the entire plant facilities (especially for a floating power plant). According to the present invention, the coolant intake apparatus for providing a coolant for a power plant comprises: a floating body floating in the sea; an intake unit connected and fixated to the floating body and positioned on the seabed to take in seawater; and a water intake supply connection unit to provide the seawater taken by the intake unit for the power plant.
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