During a panel upgrade, your power is typically off for several hours, commonly in the range of 4 to 8 hours for a standard job, though it can be longer for more complex projects. The exact time depends on the scope of the work, the inspection process, and your specific setup. Knowing what to expect lets you plan around the outage so it is a minor inconvenience rather than a disruption.

Here is what to know about the power being off during a panel upgrade.

Why the power has to be off

A panel or service upgrade involves working on equipment that is normally energized, so the power must be shut off for the electrician to work safely. The utility disconnects the service, the old panel or service equipment is removed, the new equipment is installed and connected, and then the power is restored. This is not something that can be done live, which is why a planned outage is part of the project.

The typical timeframe

For a standard panel upgrade, expect the power to be off for several hours. A common range is about 4 to 8 hours, covering the disconnect, removal and installation, connections, and reconnection. Simpler jobs can be on the shorter end, while more involved upgrades take longer. Your electrician can give you an estimate based on your specific project.

What affects the timing

Several factors influence how long the power is off:

• The scope of work. A straightforward panel replacement is faster than a full service upgrade that includes the meter, service conductors, and mast.
• The inspection process. Some jurisdictions require an inspection before the utility will reconnect power, which can affect the timeline and, in some cases, split the work across a schedule.
• Utility coordination. The utility’s disconnect and reconnect timing is part of the equation.
• Complexity and condition. Older or more complicated setups can take more time.

How to prepare for the outage

A little preparation makes the day go smoothly:

• Plan for a day without power, and ask your electrician for the expected window.
• Keep refrigerators and freezers closed to preserve food, or plan around it for a longer outage.
• Back up or plan around anything that depends on continuous power.
• Make arrangements if you work from home or rely on medical equipment.
• Charge devices in advance.

Knowing the schedule ahead of time lets you plan meals, work, and other needs around the outage.

After the power comes back

Once the new panel is installed, connected, inspected as required, and the utility restores power, your electrician confirms everything is working, checks the circuits, and reviews the new setup with you. A well-labeled panel and a clear explanation of any changes are part of a good upgrade.

The power is usually off for several hours during a panel upgrade, commonly 4 to 8 hours, with the exact time depending on the scope, the inspection process, and your setup. A simple panel replacement is shorter, while a full service upgrade takes longer. Ask your electrician for an estimated window and plan for a day around the outage so it is a smooth, well-managed process.

Stella Electric performs panel upgrades efficiently for homeowners across the Baltimore area and throughout Maryland, with flat-rate pricing and no overtime charges. We will give you a clear timeline so you can plan around the outage. Financing is available on qualifying projects.