Cost to run a Ubiquiti USW-24-PoE switch
A Ubiquiti USW-24-PoE switch (Network switch) draws roughly 14 W at idle and up to 35 W under load. Run 24/7 at a typical ~20 W and the US average of $0.17/kWh, it uses about 175 kWh a year and costs roughly $29.78/year ($2.48/month). In higher-priced regions such as Germany (€0.40/kWh) the same device costs about €70.08/year. Adjust the calculator for your own draw and electricity price.
Source: HomelabWatts wattage database. Data as of 2026-06-13.
24-port managed switch with a PoE budget for cameras and APs.
Idle vs load running cost
| Scenario | Power | Energy / year | Cost / year (US) |
|---|---|---|---|
| Idle | 14 W | 123 kWh | $20.85 |
| Typical 24/7 | 20 W | 175 kWh | $29.78 |
| Full load | 35 W | 307 kWh | $52.12 |
Switch-only figure excludes the PoE delivered to devices. Add the powered-device wattage on top of this (up to the PoE budget). Source: HomelabWatts wattage database, data as of 2026-06-13.
Cost by region (typical 24/7 draw)
| Region | Price/kWh | Cost / month | Cost / year |
|---|---|---|---|
| United States (avg residential) | $0.17 | $2.48 | $29.78 |
| Germany | €0.40 | €5.84 | €70.08 |
| France | €0.28 | €4.09 | €49.06 |
| United Kingdom | £0.25 | £3.65 | £43.80 |
| Spain | €0.25 | €3.65 | €43.80 |
Prices from electricity price presets (EIA / Eurostat), data as of 2026-06-01. Excludes standing charges and taxes.
Frequently asked questions
How much does it cost to run a Ubiquiti USW-24-PoE switch per year?
At a typical 24/7 draw of about 20 W and the US average of $0.17/kWh, roughly $29.78 per year ($2.48/month). At €0.40/kWh in Germany it is about €70.08. Use the calculator above for your own price.
How many watts does a Ubiquiti USW-24-PoE switch use?
Approximately 14 W at idle and up to 35 W under load. Switch-only figure excludes the PoE delivered to devices. Add the powered-device wattage on top of this (up to the PoE budget).
Are these figures measured or estimated?
Estimated. They are compiled from manufacturer specifications and community wall-meter measurements; your exact draw depends on configuration, firmware and attached storage. Measure at the wall for a precise figure.
Related devices
Last updated: 2026-06-13