We need to see the final cost to calculate the KW hour price. Roof instalation acessories, inversors, workmanship to install.
Roof adjusts&installation cost, plus high price of inversors, will become a worse issue if panels get cheaper.
Quote:
Originally Posted by oil pan 4
Some of the cheapest used solar panels on ebay right now are 21 to 22% efficient. 24% is common now. I don't care how efficient they are. My kind of efficiency is get the most watts for the least dollars.
|