I came here to say the same thing. There was an article on HN recently that had a breakdown of PV install costs against panel costs. The more efficient the pa

I came here to say the same thing. There was an article on HN recently that had a breakdown of PV install costs against panel costs. The more efficient the panels the less you need to fit, the less space you need and the lower your running costs for things like cleaning and dealing with bird issues.