Hurricane Francine knocked out over 100,000 customers' power in East Baton Rouge and surrounding parishes.
Around 103,914 customers are now without electricity, utility companies reported.
The biggest outages in the region were in Livingston and Ascension parishes.
Click here for the latest storm forecasts and information.
See the current outage status via Entergy.
See the latest outage updates from DEMCO.
As of around 11 p.m. Wednesday, the following outages were reported by Entergy and Demco:
Ascension: 41,889
East Baton Rouge: 23,887
Livingston: 23,221
St. John the Baptist: 9,077
Iberville: 3,260
West Baton Rouge: 1,053
St. Helena: 983
East Feliciana: 435
Pointe Coupee: 93
West Feliciana: 16
Other parishes to the south or east of the Baton Rouge area were seeing many more outages.
Terrebonne Parish, near where the storm made landfall, already had more than 25,000 outages. Lafourche Parish reported more than 36,000 outages, and Tangipahoa had more than 14,000.
AT&T was suffering cell-service outages across southern Louisiana, according to reports received by Livingston Parish Sheriff Jason Ard. It was unclear how widespread these outages were reported to be.
Don't miss a storm update this hurricane season. Sign up for breaking newsletters here. Follow our Hurricane Center Facebook page here.