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How Much Does It Cost to Run a Desktop Computer in New York? (2026)
Desktop power draw varies more than almost any other appliance. An office mini PC idles at 20 watts, while a gaming rig with a high-end graphics card can pull 500 watts or more under load.
A typical desktop computer (150 W) costs $0.043 per hour, or about $10.44 per month at 8 hours a day in New York. Average running cost
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low (60 W) | $0.017 | $0.14 | $4.18 | $50.81 |
| Typical (150 W) | $0.043 | $0.35 | $10.44 | $127.02 |
| High (500 W) | $0.14 | $1.16 | $34.80 | $423.40 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 8 h/day ≈ 438 kWh per year.
In New York, with electricity at $0.29 per kWh (source: EIA Table 5.6.A, 2026-06), a typical desktop computer costs $0.043 per hour and about $127.02 per year at 8 hours a day. That is about 61% more than the US national average of $6.48 per month, because electricity in New York costs $0.29 per kWh against $0.18 nationally. Each $1.00 of electricity buys roughly 23.0 hours of use.
How to lower the cost of running a desktop computer
- Enable sleep after 10 to 15 minutes of inactivity.
- A monitor often uses as much as the computer itself. Turn it off when away.
- Limit the power target on your graphics card. A 10 percent cap often costs only a few percent of performance.
- Laptops use a fraction of a desktop's power for everyday tasks.
In standby it draws about 2 W, which adds roughly 18 kWh ($5.08) per year if it is never unplugged.
Frequently asked questions
How many watts does a gaming PC use?
Between 300 and 600 watts while gaming, depending on the graphics card. Idle draw is typically 50 to 100 watts.
Does leaving the PC on overnight cost a lot?
At 60 watts idle for 12 hours it uses 0.72 kWh, roughly the cost of a few minutes of a space heater.
Does a bigger power supply use more electricity?
No. The PSU only delivers what the components request. A larger unit just has more headroom.
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Cost by region
- United States (average)
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- Canada (average)
- United Kingdom
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