太陽 たいよう ねつ発電 はつでんじゃありませんでした
taiyōnetsuhatsudenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 太陽熱発電

1. Was not solar power generation.; Was not a solar power plant.

Past/Perfective
Negative
Polite
Terminal Form