a multilayer piezoelectric generator is disclosed comprising a round , rectangular or other shaped box having a cover . in the box are top and bottom electrodes and a plurality of electricity generating layers . each layer comprises a plurality of piezoelectric rods held in place by a matrix layer that fits snugly in the box and configured to accept shear strains developed in the rods when pressure is applied to the cover . the layers are separated by central electrode layers . the structure is configures such that pressure is evenly spreads among all the rods and causes the rods to make contacts with the electrodes . rods in adjacent layers are oppositely poled , and the electrodes are configured and wired such that all the rods are connected parallel such that their generated charge is summed . adaptation of the generator to its application is done by changing the number and thickness of the layers .