Make & Install Solar Cells
It is possible to
set your system up yourself, but it is certainly a complicated project.
In fact, if you do not have electrical experience,
you are likely going to need to hire labor to install your system either way.
DIY kits fall around $1.50 to $2.50 per watt. Add to that average labor rates to have your kit set up safely, by a certified electrician, $0.50/watt. This puts your DIY budget at $2.00-$3.00/watt....