
Over 100,000 New Orleans residents were left without power in 90-degree heat after grid operator MISO ordered a sudden blackout with just three minutes’ warning.
At a Glance
- More than 100,000 customers in New Orleans lost power during a Memorial Day heat wave
- Grid operator MISO gave Entergy only three minutes’ notice to cut power, catching officials off guard
- Generator failures and planned maintenance contributed to the supply shortfall
- Officials blasted the lack of communication, saying New Orleans “bore the brunt” of the blackout
- Grid reliability in the MISO region is already flagged as at-risk due to renewable energy dependence
Grid Collapse in a Holiday Heat Wave
During the Memorial Day weekend, residents across New Orleans were plunged into a sweltering blackout when the Midcontinent Independent System Operator (MISO) ordered emergency load shedding, catching Entergy with only three minutes’ notice. The forced outage initially hit 18,000 customers in Uptown but quickly spread to over 100,000 homes and businesses throughout Mid-City, Lakeview, Metairie, and Terrytown.
Entergy attributed the blackout to a combination of generator issues: one facility was offline for maintenance, and another experienced a sudden failure. MISO issued the emergency order to prevent wider regional collapse, but critics say the failure to prepare for predictable summer demand exposes deeper systemic problems.
Watch a report: New Orleans Blackout Catches City Off Guard
Officials Demand Answers After “Blindsided” Outage
Local leaders voiced sharp criticism over the abrupt power cut and lack of communication. In a rare joint statement, City Council President JP Morrell, Council VP Helena Moreno, and Public Service Commissioner Davante Lewis condemned the process: “We are not only frustrated by the lack of timely notification to both the utility and regulators, and it appears that New Orleans bore the brunt of this forced outage.”
As the city sweltered in dangerous heat without air conditioning, emergency calls surged and traffic signals failed, adding to public frustration. Efforts to reach Entergy, the Department of Energy, and the Mayor’s Office yielded no immediate responses, fueling perceptions of administrative dysfunction.
Grid at Risk as U.S. Energy Strategy Shifts
The blackout isn’t just a freak incident—it’s part of a growing pattern. The North American Electric Reliability Corporation has warned of elevated blackout risks in the MISO region as coal and nuclear facilities are phased out in favor of intermittent renewable energy sources. Experts have urged regulators to maintain dispatchable baseload capacity to prevent scenarios like this.
Despite recent intervention by Energy Secretary Chris Wright to keep a coal plant online, grid reliability remains fragile. With the region facing forecasted capacity shortfalls by 2025, critics argue the current energy strategy prioritizes ideology over functionality.
As the city cools down and power is slowly restored, the central question remains: what happens next time? The people of New Orleans—especially its most vulnerable residents—deserve a grid they can count on when it matters most.














