Ahlux
solar panels on the villa’s roof are flat and lie between traditional ceramic curved tiles
cover 70sqm of roof, produce a maximum of 13 kilowatt-hours and are linked to an ecologically-friendly sodium battery
Pompeii, which gets over 15 hours of sunlight a day in peak summer, intends to extend its use to other villas in the archaeological site
5 per cent less efficient than a traditional solar panel.
cost is a bit more than the price of a new roof and traditional panels put together — though the solar tiles, which last between 20 to 25 years, serve double duty because they function as a roof too