See section 5.2 of this report: "U.S. Solar Photovoltaic System and Energy Storage Cost Benchmark: Q1 2020" https://www.nrel.gov/docs/fy21osti/77324.pdf https

See section 5.2 of this report: "U.S. Solar Photovoltaic System and Energy Storage Cost Benchmark: Q1 2020" https://www.nrel.gov/docs/fy21osti/77324.pdf https://www.nrel.gov/docs/fy21osti/77324.pdf For a 100 megawatt utility-scale solar farm with one-axis sun tracking hardware built in the US, total costs come to $1.01 per watt-peak of direct current generating capacity. Solar modules account for $0.41 of that. Other hardware (inverters, electrical balance of system, and structural balance of system) accounts for $0.24. Installation labor and equipment is $0.11. The cost of land is tiny, too small to actually see in the stacked bar chart, but below $0.02. Solar module costs can fall by another 70% before labor costs start to become an equally relevant cost element. There are already companies working on automating additional elements of solar farm construction. You can see a brief video of AES's Atlas robot for solar farm module installation here: https://www.youtube.com/watch?v=HRFDhHa3eKY https://www.youtube.com/watch?v=HRFDhHa3eKY AES claims that with this robot, a crew of only 3 people can install a megawatt of panels in a week: https://www.aes.com/reimagining-solar https://www.aes.com/reimagining-solar You could install all the panels for a 100 megawatt solar farm like that analyzed above with 6 months and 12 people.