Electric Meter Still Running With Main Breaker Off: 5 Causes

A meter that keeps counting after you've shut the whole house down is telling you something doesn't add up.

Short answer: with every service disconnect off, a correctly wired meter should record essentially nothing. If it keeps counting, something is connected ahead of your main breaker, your main isn't the only disconnect, or you're reading the display wrong. Rule those out, then ask the utility for a meter test and have an electrician look for wiring ahead of the main.

What should the meter do with the main off?

Power flows through the meter first, then through the service disconnect (normally the main breaker) into the panel. Switch that off and nothing downstream can draw current: a disc stops within a few seconds, and a digital register holds the same number.

The display stays lit because the meter is connected to the utility side, whatever your breakers do. The full path is in meter socket and service entrance explained.

Cause 1: Your main isn't the only disconnect

The NEC allows a service up to six disconnects, grouped and marked (NEC 230.71, 230.72). Since the 2020 edition each needs its own enclosure or compartment, but many homes have a "main" that is more than one breaker:

• Split-bus panels in older homes: several large breakers at the top and no single main. One feeds the lower section, so switching it off darkens most lights while the range, dryer or AC keep running.
• An outdoor disconnect or meter-main that feeds more than your indoor panel. If the indoor "main" is really a feeder breaker, anything fed separately outside keeps running.
• A meter base feeding two panels, each with its own main, the usual layout behind a 320 amp meter base.

Turn off one and the meter keeps counting for the others. See what is a service disconnect.

Cause 2: Something is connected ahead of the main breaker

Anything tapped between the meter and your main is metered but not switched by the main:

• A load fed from a meter collar, such as an EV charger: metered, but not behind your main. See meter collar adapters explained.
• A backup gateway, battery or transfer switch between the meter and the panel. A battery charging from the grid there still draws through the meter.
• Improper wiring upstream of the main, such as a circuit or second panel tapped onto the service conductors or main lugs. The NEC allows only a short list of equipment ahead of the service disconnect (NEC 230.82); an unprotected tap there is a safety defect, not just a metering puzzle.

Cause 3: The meter serves more than your unit

In a duplex or multi-unit building, meters sit side by side and wiring gets crossed:

• Swapped meters. Your unit is fed through the neighbor's meter and theirs through yours, so "your" meter keeps spinning because it's metering them.
• A shared load on your meter, such as hallway lighting, a well pump or a common water heater.
• Reading the wrong meter. Your statement lists a meter number. Match it to the number on the faceplate before drawing conclusions.

Ask the landlord and utility to verify which meter feeds which unit.

Cause 4: You're reading the wrong screen, or the meter is off

Digital meters cycle through several screens: typically a segment test that lights every digit, the kWh register, and depending on the meter, delivered and received registers, demand or diagnostic codes. A changing number may simply be the next screen. The kWh register is the one that lines up with the reading on your statement.

Disc meters coast briefly after the load drops, which is normal. A disc that keeps creeping with no load is not, and that's what a meter test checks.

Meters can fail. It's uncommon, and the meter is the utility's: ask the utility for a meter test.

Cause 5: Solar is exporting

With solar, the meter can move for a different reason:

• Solar connected through a breaker in your panel shuts down when the main is off. The inverter loses the grid and stops exporting.
• Solar connected on the supply side of the main (NEC 705.11) keeps producing. A net meter's received register climbs, and an older disc meter may even turn backward.

That's normal, not a fault. Shut the solar down with its own disconnect, per the installer's procedure, before you test. How export registers depends on your arrangement; see net metering explained.

How to test it safely

All you touch is breaker and disconnect handles. Skip this if anyone in the house depends on powered medical equipment.

1. Find every disconnect: the main breaker, any outdoor disconnect, any second panel with its own main, and the solar disconnect. A standby generator or home battery may start backing up the house; follow its instructions or ask the installer.
2. Switch them all off. The fridge, furnace and water heater are now off by definition.
3. Watch the meter for a minute. A disc should stop. Many digital meters have a small blinking or scrolling load indicator that should stop too.
4. Write down the full kWh reading and the time, wait 10–15 minutes, and read it again. Most registers show whole kWh, so a still register isn't proof on its own: moving 1 kWh in 15 minutes takes an average of 4 kW (1 kWh ÷ 0.25 h). The disc or load indicator reveals far smaller loads.
5. Switch everything back on.

On a disc meter you can put a number on it. The faceplate shows Kh, the watt-hours per revolution. Watts = Kh × 3,600 ÷ seconds per revolution, so at Kh 7.2 and one turn every 36 seconds: 7.2 × 3,600 ÷ 36 = 720 W still flowing somewhere.

Never open the meter base, break the seal or pull the meter. The line-side jaws stay live with every breaker off, and nothing of yours protects them.

What you see, and who to call

Utility first, with your readings and times. They can test the meter and check their side.

Then an electrician, if the meter tests accurate. Tracing a load ahead of the main is live work on the line side of your service.

If the meter checks out and your bill is high for other reasons, work through why is my electric bill so high.

Once the meter itself checks out, the next question is which circuits the usage actually comes from. A panel monitor such as the Emporia Vue 3 logs your mains and up to 16 branch circuits at once, hardwired and 240 V loads included; it installs inside the live panel, so it's something to ask an electrician to include.

We earn a commission if you buy through links on this page, at no extra cost to you. It does not change what we recommend — see our affiliate disclosure. As an Amazon Associate I earn from qualifying purchases.

For a corded 120 V appliance you suspect, a plug-in meter shows its real watts and kilowatt-hours with no panel work.

Why is this utility or electrician work?

Everything that can make a meter count with the main off sits ahead of your main breaker: the meter, the socket, the service conductors and anything tapped onto them. No breaker of yours protects it, and the meter and its seal are the utility's. Flipping breaker handles is homeowner territory; opening anything on the line side is not.

Standards and code reference

The standards behind this guide, for looking up in the edition your jurisdiction has adopted:

• NEC 230.71: maximum number of service disconnects (up to six, each in its own enclosure or compartment since the 2020 edition)
• NEC 230.72: grouping and marking of multiple service disconnects
• NEC 230.82: the limited equipment permitted on the supply side of the service disconnect
• NEC 705.11: supply-side connections for solar and other power sources (705.12(A) in editions before 2020)
• NEC 90.2: utility-controlled metering is outside the NEC's scope; the meter falls under the utility's own rules

Code editions and local amendments vary. Confirm the adopted edition with your AHJ, and treat manufacturer instructions as governing wherever they are more restrictive.

Where to go next

• How to shut off power to your house
• Who owns what on your electrical service
• Meter main combo vs separate meter and panel
• Main breaker vs main lug

More in our electrical panel guides.