solar battery

roof

a battery (device producing electricity)

establishment, foundation, setting up (a business etc.) / installation (of equipment)

set up, establish, found / install, put in, erect

the sun / (I Ching) greater yang (⚌) / (tarot) the Sun

a house / one's own home / a home, household / a family

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness