this post was submitted on 16 Jun 2025
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Also, it's typically not that expensive to upgrade your panel, if you live in a zoned area. Buildings in the unzoned area typically have good electrical connections since in the countryside you typically want access to three phases.
As an example for moving from older single phase service to 3x25A, it costs around 810 € typically, with 2000-3000 € as a worst case scenario. That's in Lahti, Finland – in Espoo it seems to be around 500 €
Of course there's then the need to upgrade the panel as well, but that's a relatively simple operation.
My childhood home had 3x90A breakers since it originally had a resistive heat setup, in a relatively large building (plus some other energy intensive equipment housed there). In reality it was far too much even then, the max load we calculated under full load was more like 25-30 kW.