HomelabWatts

Cost to run a Lenovo ThinkCentre Tiny (i5)

A Lenovo ThinkCentre Tiny (i5) (Mini-PC) draws roughly 8 W at idle and up to 42 W under load. Run 24/7 at a typical ~18 W and the US average of $0.17/kWh, it uses about 158 kWh a year and costs roughly $26.81/year ($2.23/month). In higher-priced regions such as Germany (€0.40/kWh) the same device costs about €63.07/year. Adjust the calculator for your own draw and electricity price.

Source: HomelabWatts wattage database. Data as of 2026-06-13.

1L Tiny-form-factor PC widely recommended for low-cost homelab nodes.

Estimating running cost for Lenovo ThinkCentre Tiny (i5). Adjust any value below.

Energy / month
Cost / month
Cost / year
CO₂ / year

Estimate only. Real draw varies with load, PSU efficiency and attached drives.

Idle vs load running cost

Annual cost at the US average of $0.17/kWh, assuming the device runs continuously.
ScenarioPowerEnergy / yearCost / year (US)
Idle8 W70 kWh$11.91
Typical 24/718 W158 kWh$26.81
Full load42 W368 kWh$62.55

Comparable to the OptiPlex Micro. Idle varies with BIOS power settings. Source: HomelabWatts wattage database, data as of 2026-06-13.

Cost by region (typical 24/7 draw)

Estimated cost of running a Lenovo ThinkCentre Tiny (i5) at ~18 W continuously.
RegionPrice/kWhCost / monthCost / year
United States (avg residential)$0.17$2.23$26.81
Germany€0.40€5.26€63.07
France€0.28€3.68€44.15
United Kingdom£0.25£3.29£39.42
Spain€0.25€3.29€39.42

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 Lenovo ThinkCentre Tiny (i5) per year?

At a typical 24/7 draw of about 18 W and the US average of $0.17/kWh, roughly $26.81 per year ($2.23/month). At €0.40/kWh in Germany it is about €63.07. Use the calculator above for your own price.

How many watts does a Lenovo ThinkCentre Tiny (i5) use?

Approximately 8 W at idle and up to 42 W under load. Comparable to the OptiPlex Micro. Idle varies with BIOS power settings.

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.

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Last updated: 2026-06-13