Abstract: An apparatus for converting the wave motion of a body of water to electrical energy includes a housing having a pair of opposed counter rotating shafts mounted to a common output shaft for driving the output shaft in a single direction and includes counterweights for restraining the shafts against rotation during oscillation of the housing about the axis of the shafts for thereby converting oscillating motion of the housing into intermittent unidirectional motion of the two counter rotating shafts and a substantially continuous motion of the output shaft which is connected to a generator unit for generating electrical energy. A torque storage spring is utilized to store the rotary energy and maintain a substantially constant speed output of the shaft to the electrical generator.