Unless its a really remote location, its not worth it. kyocera make a lot of stuff, and the missus tells me there are already companies doing that in davao at least. its much much more expensive to do properly than a visit to maplin

http://www.kyocerasolar.com/products/indproducts.html

The solar-thermal plants (www.abengoasolar.com) are cheaper and seem to be where the money is going.

I'm sure you know about city hall http://www.lda.gov.uk/server/show/ConWebDoc.2493

cost £540,000
power 50,000kWh (estimated per year)

say the cost of electicity is 10p /KWh (was 8.8p on my bill last quarter). That is £5000 worth of electricity. So it takes 108 years to repay for the project , plus maintanance, cleaning etc etc.. it just is not viable. Unless electricity goes up 10fold that is