In one embodiment, an exhaust waste heat recovery system includes a first exhaust waste heat recovery assembly including a central exhaust channel configured to allow passage of exhaust along an exhaust axis, and a first plurality of thermoelectric (TE) legs, each of the first plurality of TE legs including a hot end in thermal communication with the exhaust channel, and a cold end opposite to the hot end, and an electrical coupler in electrical communication with each of the first plurality of TE legs, the electrical coupler configured to receive electricity from the first plurality of TE legs.