Theatre bosses had to cancel Thursday night's show, after a fuse box blew in nearby Tarvit Street in late afternoon.
It could not be repaired until later that evening, several hours after Robinson Crusoe and the Caribbean Pirates was due to begin. Several other homes and businesses nearby were also affected.
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Hide AdA theatre spokeswoman said everything was back to normal last night, and the pantomime would complete its run tomorrow.
She said: "We're sorry for the disappointment, but audience members can get a refund through our box office.
"There were still a few tickets left for other performances, so some of them chose that option."