This quest is a heroic 4 quest and is repeatable. "Lana Corrs is unable to power up the custom generators built by the Jawas that used to control the city. She has hired you to massacre their new camp, destroy their droids and bring back their power cores. All for the glory and defense of the Empire, of course. Loot power cores from the Jawa protection droids at the Jawas' salvage camp in the southern cliffs near Mos Ila. " ―In-game Mission Log