Hermann Diels popularized the term pre-socratic in Die Fragmente der Vorsokratiker (The Fragments of the Pre-Socratics) in 1903. However, the term pre-Sokratic was in use as early as George Grote's Plato and the Other Companions of Sokrates in 1865.
The cost of a solar panel today is around $3 per watt, and the extra cost of installation brings costs up to $5- $6 per watt. Note: Installation costs for PV systems include both labor and the electronics needed to tie the solar array into your existing electrical system.
American-made vs imported panel costs. American-made solar panels generally cost from 80Â¢ to $1 per watt (W) â about 10-30Â¢ more per watt than imported panels. The highest quality, âpremiumâ American panels may even come in around $1.25/W.