ECN Forum Forums General Topics of the Trade General Discussion Area Building photocells and self generating electric

Look at nanosolar.com

There you can see the $$$$$$$$$ required to be a player.

For the contractor, it should be more than enough to install listed PV equipment. That'll keep you fully occupied.

As for patching together PV battery chargers... it's totally uneconomic. The cost per watt is horrific.