Crews have restored power to the nearly 11-thousand customers who were in the dark for about four hours.
A tree had fallen on a transmission line in the woods two-and-a-half miles from Vimy Ridge Road.
Entergy Arkansas says a tree has fallen, damaging equipment and cutting power to thousands of customers near Interstate 30 between Bryant and Benton.
A repair crew is working to restore the power.
Entergy estimates that the lights will be back on in the affected areas by five tonight.