しょう水力 すいりょく発電 はつでんではありませんでした
shō suiryokuhatsudendewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 小水力発電

1. Was not small-scale hydropower.; It was not small hydroelectric power.

Past/Perfective
Negative
Polite
Formal Register