Home server vs. Mac mini: running cost
A Mac mini is cheaper to run: about $7 a year versus $126 for a home server at typical use and 17.99¢/kWh, a $119 difference.
| Home server | Mac mini | |
|---|---|---|
| Typical watts | 80 W | 12 W |
| Watt range | 10–300 W | 4–65 W |
| Typical use | 24 hours a day | 8 hours a day |
| Energy per year | 701 kWh | 41 kWh |
| Cost per hour | 1.4¢ | 0.2¢ |
| Cost per day | 35¢ | 2.0¢ |
| Cost per month | $10.51 | $0.61 |
| Cost per year | $126 | $7 |
| Per year in Hawaii (43.51¢) | $305 | $18 |
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What drives the difference
- Home server: Servers run 24/7, so idle draw dominates: a repurposed desktop at 80 W uses about 700 kWh a year, an old rack server 1,500+ kWh.
- Mac mini: Apple-silicon Mac minis idle at 4-7 W and average around 10-15 W in normal use, making them one of the lowest-power desktops. Monitor not included.
Ways to cut either cost
ENERGY STAR monitor
Pairs the efficient Mac with an efficient display.
See options on Amazon Mini PC
Runs Plex and containers at 6-15 W instead of 80-180 W.
See options on AmazonWe may earn a commission from qualifying purchases. It never changes the numbers we show. Disclosure.
Frequently asked questions
Which costs more to run, a home server or a Mac mini?
At typical use and the U.S. average rate (17.99¢/kWh), a home server costs about $126 a year versus $7 for a Mac mini. That's $119 more, or 17.1× as much.
How many watts do home server and Mac mini use?
A home server typically draws 80 W (range 10–300 W). A Mac mini draws 12 W (range 4–65 W). Watts alone don't decide cost. Hours of use, cycling and standby matter just as much.
Rates: EIA, 12 months ending 2026-07. Methodology.