My house (8 rooms and office) in south eu is on the grid and with 4 aircons on day and night (in summer at least; in winter for heat if it's too cold) and the

My house (8 rooms and office) in south eu is on the grid and with 4 aircons on day and night (in summer at least; in winter for heat if it's too cold) and the other usual stuff, we have had dropping electricity prices, so much that panels really make no sense except for the off grid aspect.