A mobile vending trailer is provided. In at least one embodiment, a solar-powered mobile vending apparatus includes: a portable chassis; a housing; at least one vending machine configured to be stored and transported in the housing; a solar panel array configured to capture sunlight and convert the captured sunlight into electricity, thereby to provide solar power to the vending machine; a plurality of batteries configured for charge from the electricity generated from the solar panel array in order to provide power to the at least one vending machine; a controller configured to control the solar panel array and the plurality of batteries; and at least one lift configured to lower and raise the vending machine. The solar-powered mobile vending apparatus is adapted for use both off-grid and on-grid. In various embodiments, the apparatus also includes one or more of a wind turbine, generator, inverter, and combiner.