Power is back on for thousands of customers, after a big outage Friday afternoon.
More than 4,600 people were effected, including a number of homes in Frontier.
The street lights were out in several busy intersections, including 8th & Bayfront, causing a lot of congestion.
Erie police were busy directing traffic for about an hour.
According to Penelec, a transformer blew at 3rd and Sassafras, which caused the outage.
Power was back on by 3:00 Monday afternoon.