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How Much Does It Cost to Run a Computer Monitor in New York? (2026)
A 24 inch office monitor draws around 20 to 30 watts. Large 4K or high-refresh gaming monitors can reach 60 to 80 watts, comparable to the computer they are attached to.
A typical computer monitor (30 W) costs $0.009 per hour, or about $2.09 per month at 8 hours a day in New York. Cheap to run
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low (15 W) | $0.004 | $0.035 | $1.04 | $12.70 |
| Typical (30 W) | $0.009 | $0.070 | $2.09 | $25.40 |
| High (80 W) | $0.023 | $0.19 | $5.57 | $67.74 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 8 h/day ≈ 88 kWh per year.
In New York, with electricity at $0.29 per kWh (source: EIA Table 5.6.A, 2026-06), a typical computer monitor costs $0.009 per hour and about $25.40 per year at 8 hours a day. That is about 61% more than the US national average of $1.30 per month, because electricity in New York costs $0.29 per kWh against $0.18 nationally. Each $1.00 of electricity buys roughly 114.9 hours of use.
How to lower the cost of running a computer monitor
- Lower brightness. Most monitors ship far brighter than needed indoors.
- Set the display to sleep after 5 to 10 minutes idle.
- Turn off a second monitor when not in use.
In standby it draws about 0.5 W, which adds roughly 4 kWh ($1.27) per year if it is never unplugged.
Frequently asked questions
How much electricity does a monitor use per day?
About 0.25 kWh for 8 hours on a typical 30 watt monitor.
Do monitors use power when off?
About half a watt in standby.
Does a bigger monitor use more electricity?
Yes. Power scales roughly with screen area and brightness.
Cost by region
- United States (average)
- California
- Texas
- New York
- Florida
- Canada (average)
- United Kingdom
- Germany
- France
- Australia
- India