[editor-surveyor]

Solar PV generation takes over 15 years to break even, and then the panels only have 5 years of their estimated life left.

Bad decision.

[smokingfrog]

Siemans solar panels have a 25 year warranty, but all solar panels will lose some efficiency over time. Biofuels, solar and wind power are not going to replace fossil fuels anytime soon, but is something we need to keep experimenting and doing research on.

The first LED watch cost $1,250, but now many of them are throw away watches that you buy at the dollar store. The question is, how quickly can we lower the cost of some of these new technologies.