It can power up to eight common homes. 它可以给多达八个普通家庭提供电力。= It can (supply) power (to) up to eight common homes.= It can (supply) up to eight common homes (with) power.固定搭配：supply A to B = supply B with A，意思都是“给B提供A”。up to的意思是“直到...（如数量等）为止”。如果你满意我的答案，敬请采纳，这是对我们答题者劳动的尊重，多谢！...
