It's intermittent. Solar energy is only available when the sun is shining.
It's low efficiency. It requires large areas of land.
It's not completely free of environmental impact. Ultrapure polysilicon is now scarce.
It's high cost.
You must climb your roof to wash it off. Just ask Ed Begley, Jr.!
You woke up this morning full of vim and vigor, ready to tackle the world of home energy efficiency. Of course, your first dreamy thoughts were: is this major solar flare going to knockout electricity in the midwest power grid, and then, if Fermilab has found proof of the Higgs Boson, will I be able to fully explain the phenomena of convection and chimney effect to people? After your morning coffee, the reality check sets…Continue