How much does a coffee maker cost per month in California?

About $4.07 a month, assuming 900 W, 30 minutes a day, 365 days a year at 29.75¢/kWh.

How many kilowatt-hours does a coffee maker use?

Roughly 164 kWh a year under these assumptions, or 0.90 kWh for every hour it runs.

Is that expensive compared with other states?

California has the 4th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $29.83 a year.

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Cost to run a coffee maker in California (August 2026 rates)

At 29.75¢ per kilowatt-hour — California's average residential price in August 2026 — running a coffee maker costs $48.86 a year. That is 64% more than the national average of $29.83. California's residential rate is down 3.8% from August 2025, which moves this appliance from $50.79 to $48.86 a year.

Per hour: 26.8¢
Per day of use: 13.4¢
Per month: $4.07
Per year: $48.86

Assumption: 900 W, 30 minutes a day, 365 days a year — 164 kWh a year. Ten minutes of brewing plus 20 minutes on the warming plate. Use the calculator to swap in the numbers from your own model.

How California compares

California pays 29.75¢/kWh, the 4th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $19.04 more a year than the typical U.S. household pays for the same use. Running the same coffee maker costs $20.89 a year in Nevada and $77.49 in Hawaii, so where you live changes this bill by $56.60 a year.

State	Rate	Per month	Per year
New York	28.65¢	$3.92	$47.06
Alaska	29.41¢	$4.03	$48.31
California	29.75¢	$4.07	$48.86
Massachusetts	30.48¢	$4.17	$50.06
Maine	32.11¢	$4.40	$52.74

States ranked by average residential price, cheapest first. See all 51 states for a coffee maker.

What else costs about the same in California

55-inch led tv$48.86 a year in CA Washing machine$38.67 a year in CA Air fryer$37.48 a year in CA

Cutting the number down

The warming plate, not the brew, is where the hours go. Decanting into a thermal carafe removes it entirely.
Single-serve pod machines heat less water per cup but idle at temperature; the two effects roughly cancel.

Questions

How much does a coffee maker cost per month in California?: About $4.07 a month, assuming 900 W, 30 minutes a day, 365 days a year at 29.75¢/kWh.
How many kilowatt-hours does a coffee maker use?: Roughly 164 kWh a year under these assumptions, or 0.90 kWh for every hour it runs.
Is that expensive compared with other states?: California has the 4th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $29.83 a year.