“Global solar production last year (2021) was about 190 GW.”
Handmer figures the world needs about 300 TW of solar to live like Americans, covering around 5 percent of the land. Production last year was 190 GW. The math works only if costs keep falling 30 to 40 percent per doubling for decades. He also runs a company selling exactly this future, so read the numbers with that in mind.