US D530662 S1
FIG. 1 is a perspective view from the left of an energy production unit showing our new design,
FIG. 2 is a perspective view from the right thereof,
FIG. 3 is a top plan view thereof,
FIG. 4 is a right elevation thereof,
FIG. 5 is a left elevation thereof,
FIG. 6 is a front elevation thereof; and,
FIG. 7 is a rear elevation thereof.
The broken line showing of the environment is for illustrative purposes only and forms no part of the claimed design.