Electronics & Office · West
Cost to run a desktop computer in Nevada
At Nevada’s average residential rate of 13.60¢ per kWh, a desktop computer drawing 200W for 8 hours a day costs about $4.64 a month. Change the numbers below to match how you actually use yours.
Quick answer
Based on 200W at a 70% duty cycle (this equipment cycles on and off rather than drawing full power continuously) and 13.60¢/kWh, the Nevada average for May 2026.
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— per year
Why the cost differs in Nevada
Nevada has the 5th cheapest residential electricity of the 51 US states and territories we track, at 13.60¢ per kWh against a national average of 18.44¢. That is -26.3% compared with the national figure. Nevada has a growing solar share that helps with daytime demand, but rapid data-center load growth is pressuring available capacity and putting upward pressure on rates. Retail service is regulated for households. Extreme dry summer heat drives the cooling peak, though low humidity means air conditioners work less hard per degree than in the Southeast.
For this appliance specifically, the difference works out to a saving of $19.79 a year against what the same desktop computer would cost at the national average rate. Run the identical appliance in Hawaii and it would cost $213 a year; in Idaho it would cost $50.49. That spread of $162 is entirely down to location.
That works out to roughly 3.9% of a typical Nevada household's annual electricity bill - modest individually, though appliances in this range add up.
Electricity in Nevada is cheap by national standards, which cuts both ways: running this desktop computer costs less than it would almost anywhere else, but the payback period on an efficiency upgrade is correspondingly longer. Replacing a working unit purely to save energy is harder to justify here.
Retail service in Nevada is regulated, so most households pay a tariff set through state rate cases rather than a shopped rate. The state average is a reasonable proxy, though your utility's specific tariff still varies.
| Location | Rate | Per month | Per year |
|---|---|---|---|
| Nevada this page | 13.60¢ | $4.64 | $55.60 |
| US average | 18.44¢ | $6.29 | $75.38 |
| Idaho cheapest state | 12.35¢ | $4.21 | $50.49 |
| Hawaii most expensive | 52.00¢ | $17.73 | $213 |
Nevada electricity rate trend
Rates in Nevada have moved from 12.26¢ to 13.60¢ per kWh over the last twelve months of published data. Nationally, residential rates rose about 6.2% year over year.
2025-06 to 2026-05 · cents per kWh
About running a desktop computer
A general-purpose desktop draws 100 to 200 watts; a gaming machine with a high-end GPU can exceed 600 under load. Idle draw is much lower, so actual cost depends heavily on what you do with it.
What actually changes the cost
- Nameplate wattage is not running cost. This desktop computer draws about 200W when active, but cycles roughly 70% of the time it is switched on, so effective consumption is near 140W.
- Models vary widely, from about 100W to 600W. Check the nameplate on your own unit rather than assuming an average, because the spread is more than 2x.
- If your utility offers time-of-use pricing, shifting this load off-peak can cut its cost substantially without using any less energy.
How we worked this out
The arithmetic is simple and we would rather show it than hide it. Divide watts by 1,000 to get kilowatts, multiply by hours of use and by the duty cycle to get kilowatt-hours, then multiply by your rate:
200W ÷ 1000 × 8h × 70% = 1.120 kWh/day × 13.60¢ = $0.152 per day
One honest caveat: Nevada’s figure is a state average published by the EIA. Your own utility’s tariff, any time-of-use pricing, fixed monthly service charges and local taxes all shift the real number. Put your actual per-kWh rate into the calculator above for a figure that reflects your bill.
Questions about desktop computer running costs
How many watts does a desktop computer use?
A typical desktop computer draws about 200 watts while running, with most models falling between 100W and 600W. Check the nameplate label or manual for your specific unit - the range is wide enough that averages can mislead.
How much electricity does a desktop computer use per day?
At around 8 hours of use a day and a 70% duty cycle, that works out to roughly 1.12 kWh per day, or about 34 kWh a month. Your actual figure depends on your usage and model.
Why does the cost differ so much between states?
Residential electricity rates across the US range from about 12.35 cents per kWh in North Dakota to 46.62 cents in Hawaii - nearly a fourfold difference. The same desktop computer, used identically, therefore costs almost four times as much to run in the most expensive state as in the cheapest.
Is it cheaper to run a desktop computer at night?
Only if you are on a time-of-use or variable tariff. On a flat rate, the time of day makes no difference to cost. If you are on time-of-use pricing, off-peak hours are typically materially cheaper, and shifting this load can reduce its cost without reducing usage.