Abstract: A shelf lighting system, which includes a shelf power system, is herein disclosed. The shelf power system has a power track and a connecting plug. The connecting plug has an attachment mechanism to attach to a shelf bracket, and is configured to electrically connect to the power track. One embodiment of the connecting plug has prongs that electrically contact conductors in the power track. The shelf lighting system further includes a driver with a power supply and a power terminal block that connects to the power track. A lighting fixture can be powered by the power supply via the power terminal block, the power track and the connecting plug.