potência contratada
Published 8 November 2026, 19:36
potência contratada — contracted power, in kVA
How much power you can draw at any one time. Flats usually have 3.45, 4.6 or 6.9 kVA. You pay for contracted power every month as a separate line on your bill, however much electricity you use: the more kVA, the higher the fixed charge. With too little power, the breaker trips when the oven, the water heater and the washing machine are on together.
Where you come across it. Your electricity bill, a connection contract, trying to cut your monthly bill.
To change your contracted power, ask your supplier; lowering it is usually free and does not need an electrician's visit, while raising it is more likely to require the fuse box to be checked. Before lowering it, work out what you actually have switched on at the same time.
Official website: erse.pt/consumidores-de-energia/eletricidade/como-funciona