The compostable waste processing apparatus includes a pulverizing device and a shredding device in separate compartments within a housing. The pulverizing device and the shredding device may be driven by at least one electronic motor. The electronic motor may be powered by one or more batteries that are charged by a photovoltaic panel of the housing. The compostable waste processing apparatus has a simple and efficient structure to facilitate use by a wide range of end-users, including households.