With the controversial “Sun Tax” now suspended, solar energy technology getting ever cheaper, and governments moving to green, low-carbon economies, now may be the time to think about converting your house to solar energy (after all it’s free!) – and while you are at it, why not convert your luxury yacht into a solar powered vessel too?. Harold Krol describes the exciting new technologies he has been working with and Fredrik Wengelin chips in with personal experiences in his solar powered home.