We get wind in winter, sun in summer and waves all year round. It just needs some organisation to put the whole thing together and you'd need very little back up power, especially if all buildings had solar panels on the roof. Initial costs may be high but worth it in the long run and with more production of components the cost would drop considerably.
All we need is for someone to set the ball rolling. Maybe a conservation/archaeology group could work out the best places to put them with the least damage to the surroundings then all thats left to do is convince everyone how sound the idea is - sounds easy !!!!!!!
Up the revolution lol

Elaine