The invention award relates to a solar power unit for a fluid, and more particularly doedoe molding a synthetic resin having a horizontal, vertical, and the height of the predetermined length to keep constant the buoyancy on the surface of the water agent, the inner is formed as a hollow hollow upper surface There scaffold is in the photovoltaic module and Water unit for PV fluid containing the identity is equipped with a photovoltaic module fixture capable of fixing the solar module, is connected to the front and rear front and rear surfaces of the solar module fixture connection body and the connection is, and a predetermined length formed to project outwardly for engagement, the photovoltaic modules and the front center of the fixture, the photovoltaic modules and the added deeply recessed constant at the center of the recessed recess of the fixture are formed solar module fixture of the made of a structure in which the opening is formed in the center forward, the photovoltaic modules and the upper surface sides of the rear stagnation front side upper surface The height of the high protrusion is further formed an upper base jaw each comprises a structure in which a wind bone between the two sides forming the top base jaw.