Abstract: An apparatus includes a solid-state generator for a firearm. The firearm is configured to support a firearm accessory. The solid-state generator is configured to be electrically coupled to the firearm accessory. The firearm accessory is configured to be electrically powered. The solid-state generator is also configured to convert, at least in part, waste energy generated, at least in part, by the discharge of the firearm into electricity in such a way that the solid-state generator, in use, provides, at least in part, the electricity to be consumed, at least in part, by the firearm accessory of the firearm.