電力 でんりょく供給 きょうきゅうじゃなかったです
denryokukyōkyūjanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 電力供給

1. Wasn't a power supply.; Wasn't providing electricity.

Past/Perfective
Negative
Polite
Casual Register