This is a quick post just to share how much my homelab costs me. Since it's an old laptop tucked near the fridge, one can guess it's not a lot. But I've got measurements!

a wattimeter measuring consumption

I've measured 3.382 kWh in 11 days 3 hours and 54 minutes (=267.9 hours), so an average of a bit less than 13 W. In a 365-day year, this adds up to 110.6 kWh.

My current energy contract has a fixed cost and a per-kWh cost that depends on the hour of the day:

Cost
fixed 15,65 €
03:40 - 07:40 and 12:40 - 16:40 0.1579 € / kWh
the rest of the day 0.2065 € / kWh

Assuming a constant usage, the average unit cost is 0.1903 € / kWh. So I have a yearly cost of 21.04 €.

My cloud bill is 1.76 € / month. Not bad 👍🏼