Systems, methods and apparatuses of lighting control are disclosed. At least one lighting control system includes a central controller, a plurality of M satellite control units, a plurality of N light fixtures, and a central controller. Each satellite control unit includes an AC to DC converter and a power meter. The plurality of N light fixtures are connected to a one of the plurality of M satellite control units through N power control devices. Further, the central controller is operative to communicate with one or more of the plurality M satellite control units and one or more of the plurality of N light fixtures.