How to Read Your Electricity Meter

Your monthly bill tells you what you spent. Your meter tells you what you used, hour by hour, week by week. Once you know how to read it, you can see the effect of every change you make — within a week instead of a month, which makes it vastly easier to stay motivated.

Reading a meter takes about a minute. This guide walks through every common type, including the ones that look confusing.

Where to find your meter

Depends on where you live:

• Single-family home: exterior wall, often near the garage, side of the house, or near where the power line connects.
• Apartment: in a utility closet on your floor, in the basement, or on the exterior wall of the building. If you're not sure which meter is yours, ask your landlord or utility.
• Condo: usually in a shared utility area. Many condos have a submeter per unit.
• Newer homes: often have a "smart meter" that transmits readings automatically, so you may never need to read it manually.

Step 1: Identify your meter type

Analog (dial) meter

A glass or plastic dome with 4–5 circular dials arranged in a row. Each dial has numbers 0–9 and a pointer that rotates. This is the classic meter still found on many older homes.

Digital meter

A solid-state meter with an LCD display showing a string of numbers. The numbers cycle through several readings (total kWh, current rate, etc.). Usually labeled "kWh" clearly.

Smart meter

Looks like a digital meter but has an antenna or wireless symbol. It transmits data to your utility automatically, often every 15 minutes. You may still be able to read it manually for your own tracking.

Step 2: Read analog (dial) meters

This is where most people get confused. Here's the trick:

• Read the dials left to right.
• Write down the number the pointer has just passed (not the one it's pointing at, unless it's directly on a number).
• If the pointer is between two numbers, use the lower number.
• If the pointer is between 9 and 0, read it as 9.

Every other dial rotates counterclockwise. Don't worry about the direction — just apply the "number it just passed" rule and read left to right.

Example: the dials show 0, 2, 8, 4, 6 in order. Reading = 02846. That's your cumulative kWh since the meter was installed or last reset.

Step 3: Read digital meters

Easier. Look for the numbers labeled "kWh" or "kilowatt-hours." That's your reading. If the display cycles through different values, wait for the one that ends in kWh — usually the largest number on the screen.

If there's a decimal, ignore it. You only need the whole number. (Some digital meters show 00123.4 — read it as 123.)

Step 4: Read a smart meter

Smart meters usually cycle through:

• Total kWh used
• Current power draw (in kW)
• Date and time
• Signal strength (for the wireless transmission)

Wait for the screen showing total kWh — that's the number you want. Many smart meters also have a button to cycle through the displays manually, or a "kW" indicator you can use to see live usage. Watching live kW is extremely useful for identifying what's running right now — flip a breaker or turn something off and watch the number drop.

Step 5: Track your usage

Reading the meter once isn't useful. What is useful is reading it at the same time every week (or every day, if you're running a short-term experiment) and writing down the number.

Calculation: subtract last week's reading from this week's to get the kWh used in that week. Multiply by your electricity rate to get the dollar cost.

Example:

• Last Monday: 47,530 kWh
• This Monday: 47,615 kWh
• Difference: 85 kWh used this week
• Rate: $0.14/kWh
• Cost: 85 × $0.14 = $11.90 for the week

That's an unusually low week for a household using AC or heat, but it's a realistic number for a mild-weather week with no HVAC.

What to do with the numbers

Establish a baseline

Read the meter weekly for four weeks before making changes. That gives you an average baseline to compare against.

Isolate big changes

Make one change at a time (e.g., install a smart power strip). Read the meter at the end of that week. Compare to your baseline. The difference tells you the change's impact.

Spot problems early

If your meter shows usage when nothing should be running, something's drawing power it shouldn't. Common causes: a failing fridge compressor running constantly, a broken water heater thermostat, an unknown device on the circuit.

The "empty house test"

Turn off everything you can — lights, TV, computer, appliances except the fridge. Read the meter. Wait 30 minutes. Read again. Multiply the difference by 2 to get your hourly "always-on" load. A typical home draws 0.3–0.8 kW continuously (fridge, router, modem, phantom loads). If your number is much higher, something's wrong.

When to call your utility

Contact your utility if:

• The meter has visible damage or moisture inside
• The meter makes a loud buzzing or grinding noise (not the normal quiet whir)
• Your meter spins or counts even after turning off the main breaker — this suggests a wiring problem or meter malfunction
• Your bill doesn't match your meter readings — the utility may be estimating
• You smell burning near the meter box

Never open the meter box yourself. Tampering with a meter is a serious offense and dangerous. If you suspect a problem, call the utility — they'll send a technician.

Frequently Asked Questions