A hydroelectric system comprising a support member, a rotational torque converter, a drive member being disposed at one end of a support arm, a water driven mechanism in rotational communication with the drive member, wherein the support arm can be pivotally adjusted by a retraction mechanism are disclosed. A spillway deflector comprising a spillway deflector wedge, a deflector anchor, and a flat portion extending between the deflector anchor and the deflector wedge are disclosed.
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