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

About 68.7¢ a month, assuming 120 W at a 60% duty cycle, 6 hours a day, 150 days a year at 12.72¢/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?

Louisiana has the cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $11.86 a year.

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

At 12.72¢ per kilowatt-hour — Louisiana's average residential price in July 2026 — running a 3D printer costs $8.24 a year. That is 31% less than the national average of $11.86. Louisiana's residential rate is down 3.0% from July 2025, which moves this appliance from $8.50 to $8.24 a year.

Per hour: 0.9¢
Per day of use: 5.5¢
Per month: 68.7¢
Per year: $8.24

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 Louisiana compares

Louisiana pays 12.72¢/kWh, the cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $3.62 less 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
Louisiana	12.72¢	68.7¢	$8.24
Nevada	12.77¢	69.0¢	$8.27
Utah	13.12¢	70.8¢	$8.50
North Dakota	13.41¢	72.4¢	$8.69
Tennessee	13.71¢	74.0¢	$8.88

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

What else costs about the same in Louisiana

Computer monitor$7.63 a year in LA Security camera$5.57 a year in LA Ceiling fan$10.99 a year in LA

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 Louisiana?: About 68.7¢ a month, assuming 120 W at a 60% duty cycle, 6 hours a day, 150 days a year at 12.72¢/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?: Louisiana has the cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $11.86 a year.