How much does a 3D printer cost per month in Hawaii?

About $2.59 a month, assuming 120 W at a 60% duty cycle, 6 hours a day, 150 days a year at 48.00¢/kWh.

How many kilowatt-hours does a 3D printer use?

Roughly 65 kWh a year under these assumptions, or 0.07 kWh for every hour it runs.

Is that expensive compared with other states?

Hawaii has the most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $11.86 a year.

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Cost to run a 3D printer in Hawaii (July 2026 rates)

At 48.00¢ per kilowatt-hour — Hawaii's average residential price in July 2026 — running a 3D printer costs $31.10 a year. That is 162% more than the national average of $11.86. Hawaii's residential rate is up 22.0% from July 2025, which moves this appliance from $25.51 to $31.10 a year.

Per hour: 3.5¢
Per day of use: 20.7¢
Per month: $2.59
Per year: $31.10

Assumption: 120 W at a 60% duty cycle, 6 hours a day, 150 days a year — 65 kWh a year. A consumer FDM printer mid-print. The heated bed dominates the draw, and an enclosure lowers the duty cycle by holding heat in. Use the calculator to swap in the numbers from your own model.

How Hawaii compares

Hawaii pays 48.00¢/kWh, the most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $19.24 more a year than the typical U.S. household pays for the same use. Running the same 3D printer costs $8.24 a year in Louisiana and $31.10 in Hawaii, so where you live changes this bill by $22.86 a year.

State	Rate	Per month	Per year
New York	29.90¢	$1.61	$19.38
Massachusetts	30.49¢	$1.65	$19.76
Maine	32.41¢	$1.75	$21.00
California	33.61¢	$1.81	$21.78
Hawaii	48.00¢	$2.59	$31.10

States ranked by average residential price, cheapest first. See all 51 states for a 3D printer.

What else costs about the same in Hawaii

Computer monitor$28.80 a year in HI Security camera$21.02 a year in HI Ceiling fan$41.47 a year in HI

Cutting the number down

The heated bed, not the hotend, is the load. Lowering bed temperature after the first layers cuts the average draw.
Long prints are cheap per hour but numerous: a week of continuous printing is a real line item.

Questions

How much does a 3D printer cost per month in Hawaii?: About $2.59 a month, assuming 120 W at a 60% duty cycle, 6 hours a day, 150 days a year at 48.00¢/kWh.
How many kilowatt-hours does a 3D printer use?: Roughly 65 kWh a year under these assumptions, or 0.07 kWh for every hour it runs.
Is that expensive compared with other states?: Hawaii has the most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $11.86 a year.