Breakdown of A falta de energia elétrica começou à noite.
Questions & Answers about A falta de energia elétrica começou à noite.
Both are possible, but a falta de is more specific and natural here.
- falta de energia elétrica = lack of electrical power / power outage in a general sense
- a falta de energia elétrica = the power outage / the lack of electrical power in this particular situation
Portuguese often uses the definite article more than English does, especially when talking about something understood in context.
Here, falta means absence, lack, or shortage.
In this sentence, falta de energia elétrica is a common way to say power outage or loss of electrical power.
Other possible words in related contexts are:
- apagão = blackout
- queda de energia = power failure / power cut
- interrupção no fornecimento de energia = interruption in the power supply
But falta de energia elétrica is very common and neutral.