발전량이 · 발전량을
amount of power generated, power output
Example
흐린 날에는 태양광 발전량이 크게 줄어들어요.
On cloudy days, solar power output drops sharply.
Word parts
발 emit+전 electricity+량 amount
-량 = 'amount': 생산량, 강수량, 발전량.
Good to know
Pronounced [발쩐냥]: 전 becomes tense and ㄹ turns into ㄴ.