There were about 14,000 Board of Water and Light customers that are without power Wednesday morning.
It included customers in both Ingham and Eaton Counties.
Various traffic lights went out along Waverly and Elmwood Roads, Grand River Avenue, as well as Willow Highway.
Authorities want to remind people to treat intersections as 4-way stops in these events.
BWL officials said that the outages were due to a problem at a substation.
2820 East Saginaw Street, Lansing, MI 48912