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In this work, both the binary BiTe and ternary BiSbTe nanowires were synthesized using template-assisted electrodeposition. Stoichiometric depositions of the nanowires were achieved via systematic study on compositional change as a function of applied potential. Electrical and thermal transport properties of the nanowires were studied using a custom-designed suspended micro-electro-thermal system. Thermoelectric test modules constructed from pairs of p- and n-types BiTe based nanowire arrays thermocouples were demonstrated to produce a power output of ∼ 0.36 nW per a pair of P-N thermocouples at a maximum temperature difference of ∼ 50 K.