Entergy later reported 857,756 customers in New Orleans were affected by outages as of 9:15 a.m. local time on Monday.
Cleco also reported 96,384 customers were affected by outages in New Orleans as of 9:15 a.m. local time.
The Jefferson Parish Sheriff's Office reports multiple cell phone providers had difficulties routing calls through its 911 system amid the destruction brought on by the storms.
The department later confirmed that the system's issues had been resolved, but the administrative lines were down.
Ida initially made landfall near Port Fourchon Sunday (August 29) afternoon as a Category 4 hurricane before being downgraded to a tropical storm early Monday morning (August 30).
The National Hurricane Center confirmed Ida reached wind speeds of 150 MPH, tying Hurricane Katrina on the 16th anniversary of the devastating storm, as well as Laura (2020) and the Last Island Hurricane (1856) as the most powerful storms to ever hit the state.
Tropical Storm Ida has since decreased to wind speeds of 60 MPH as it moved over southwestern Mississippi Monday morning.
The Ascension Parish Sheriff's Office confirmed one person was confirmed dead on Sunday (August 29) night in a post shared of the department's Facebook account.
The department said it responded to reports of a citizen possibly being injured from a fallen tree at a residence off of Highway 621 in Prairieville, Louisiana. Deputies at the scene located the individual, who was pronounced deceased.
The National Hurricane Center continues to warn local residents of the dangerous storm despite the downgrade as damaging winds and flash flooding are expected throughout southeastern Louisiana and southern Mississippi.
As of Monday morning, more than 1 million power outages are being reported in Louisiana -- including the entire city of New Orleans -- and 110,000 in Mississippi, according to Poweroutage.us.
FOX 8 Live reports President Biden ordered Federal aid to supplement State, tribal and local recovery efforts following a request made by Governor John Bel Edwards.
Funding will be made available to affected individuals in the following Louisiana parishes: Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia, Iberville, Jefferson, Lafourche, Livingston, Orleans, Plaquemines, Pointe Coupee, St. Bernard, St. Charles, St. Helena, St. James, St. John the Baptist, St. Martin, St. Mary, St. Tammany, Tangipahoa, Terrebonne, Washington, West Baton Rouge, and West Feliciana.
During a recent appearance on State of the Union with CNN's Jake Tapper, Gov. Edwards acknowledged Louisiana's significant investments in shoring up its levy system following the devastation of Katrina in 2005.
Gov. Edwards said Ida "will be the most severe test" of the levees, but expects them to hold prior to the storm moving through on Sunday.
"The next 24, 36 hours are just going to be very, very critical for us here in Louisiana," Edwards added.