電力 でんりょく需給 じゅきゅう逼迫 ひっぱく警報 けいほうでした
denryokujukyūhippakukeihōdeshita

Noun
Desu Copula

The polite past form of 電力需給逼迫警報

1. Power supply/demand emergency alert was issued.; Power was in short supply.

Past/Perfective
Polite