How much does a desktop computer cost per month in New Mexico?

About $5.36 a month, assuming 200 W, 8 hours a day, 250 days a year at 16.09¢/kWh.

How many kilowatt-hours does a desktop computer use?

Roughly 400 kWh a year under these assumptions, or 0.20 kWh for every hour it runs.

Is that expensive compared with other states?

New Mexico has the 26th most expensive average residential rate in the country, so this appliance costs less here than the U.S. average of $73.24 a year.

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Cost to run a desktop computer in New Mexico (July 2026 rates)

At 16.09¢ per kilowatt-hour — New Mexico's average residential price in July 2026 — running a desktop computer costs $64.36 a year. That is 12% less than the national average of $73.24. New Mexico's residential rate is up 1.8% from July 2025, which moves this appliance from $63.20 to $64.36 a year.

Per hour: 3.2¢
Per day of use: 25.7¢
Per month: $5.36
Per year: $64.36

Assumption: 200 W, 8 hours a day, 250 days a year — 400 kWh a year. An office-class tower plus monitor, doing ordinary work. Use the calculator to swap in the numbers from your own model.

How New Mexico compares

New Mexico pays 16.09¢/kWh, the 26th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $8.88 less a year than the typical U.S. household pays for the same use. Running the same desktop computer costs $50.88 a year in Louisiana and $192 in Hawaii, so where you live changes this bill by $141 a year.

State	Rate	Per month	Per year
Iowa	15.99¢	$5.33	$63.96
Missouri	16.09¢	$5.36	$64.36
New Mexico	16.09¢	$5.36	$64.36
Georgia	16.27¢	$5.42	$65.08
Alabama	16.40¢	$5.47	$65.60

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

What else costs about the same in New Mexico

Refrigerator$64.36 a year in NM Air purifier$70.47 a year in NM Electric oven$53.55 a year in NM

Cutting the number down

Sleep after 15 minutes idle is the default with the largest payoff and the smallest downside.
Screensavers do not save energy; a display running a 3D animation costs more than a blank screen.

Questions

How much does a desktop computer cost per month in New Mexico?: About $5.36 a month, assuming 200 W, 8 hours a day, 250 days a year at 16.09¢/kWh.
How many kilowatt-hours does a desktop computer use?: Roughly 400 kWh a year under these assumptions, or 0.20 kWh for every hour it runs.
Is that expensive compared with other states?: New Mexico has the 26th most expensive average residential rate in the country, so this appliance costs less here than the U.S. average of $73.24 a year.