What contracted power (potência contratada) do I need?
The selected appliances add up to 6.35 kW.
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Figures checked in October 2026 · See assumptions ↓
How we calculated it
It adds up the power of the appliances on at the same time and picks the next power level up. Lowering your power cuts the fixed charge on your bill every month.
If your circuit breaker trips often, your power is too low. Appliance wattages are typical values; check the label on each one.
Figures checked in October 2026 · Sources: ERSE: tarifas do 4.º trimestre de 2026, ERSE
Estimate: An approximate result that depends on assumptions. Confirm important figures with the relevant authority.
Frequently asked questions
What are the most common power levels?
3.45, 4.6, 5.75, 6.9 and 10.35 kVA.
Does lowering the power save money?
Yes, the fixed charge on your bill drops every month. If the breaker trips often, your power is too low.