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Cost to run a gaming pc in California
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$0.12/hour
Gaming PC at 400 W in California (29.75¢/kWh) · $14.47/month at 4 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.12 | $3.62 | $43.44 |
| 2 h/day | $0.24 | $7.24 | $86.87 |
| 4 h/day | $0.48 | $14.47 | $173.74 |
| 8 h/day | $0.95 | $28.94 | $347.48 |
| 12 h/day | $1.43 | $43.41 | $521.22 |
| 24 h/day | $2.86 | $86.82 | $1,042.44 |
A gaming PC under load often draws 300-600 W at the wall, less when idle.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| California | 29.75 | $14.47 |
| Rhode Island | 28.18 | $13.71 |
| New York | 28.65 | $13.94 |
| Alaska | 29.41 | $14.31 |
| Massachusetts | 30.48 | $14.83 |
| Maine | 32.11 | $15.62 |
| Hawaii | 47.18 | $22.95 |
FAQ
How much does it cost to run a gaming pc in California?
At 400 W and 29.75¢/kWh: $0.12 per hour, $0.48 per day and $14.47 per month at 4 h/day.
How does California compare with other states?
The same use costs $6.19/month in Nevada (cheapest) and $22.95/month in Hawaii (most expensive); the US average is $8.83.
Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
Gaming PC cost calculator · Electricity cost in California
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