10 years old 48 healthy and in great power making condition sitting on the top on my house roof. Just until last year before our contract with kyushu electric got expired we use to make up to 48000 yen per month on making power and selling it during May , June , July , August , September and even October and roughly around 15000 to 23000 yen on other months .
We cannot afford buying our own battery power storage system since they are extremely expensive to own otherwise we would have bought that and could stop buying electricity and use our own made power.
If you can get them off asking some electrician with crane and a truck to come and dismantle the system , I will be glad to let it go for a fair price 2000000 yen. We paid almost 4000000 yen for these 48 panels . They come with two power conditioner . basically we put two sets of solar power panels which generates up to 9.4 KW of power . pretty huge if you can image of how much we use to make when selling it.
We are located in Tagawa city in Fukuoka prefecture.
Give me a call , in Japanese or English doesnt matter 日本語もしゃべります。 and we could discuss this.