The consensus is that China is what really accelerated the price drops. Not sure why basic facts are being disputed lol
https://www.scientificamerican.com/article/why-china-is-domi...
As to the second chart not being log scale that choice was made by Wikipedia, you can easily plot it on log scale, but it looks even more like a strait line.
Further that article is from 2016, it’s hyper focused on a specific shift in manufacturing while things continued to evolve over time.
You can sell some custom panels for $50,000 a watt and scale production the next day to $5,000 a watt - if volume didn’t change and price per watt was purely due to technological advance it isn’t relevant.
Find a chart that controls for panel tech, go look at who is buying said panels of said type and it’s obvious why and who is causing the price drop.
So I am saying the opposite, the price drop after solar became cheaper than coal is largely irrelevant. Once it was cheaper than coal anywhere without subsides it demand would skyrocket and prices would continue to fall as adoption increased.
Before that point PV was still useful for an ever wider range of niche applications, satellites for example can’t connect to the electric grid. Various applications where connecting to the grid was expensive or inconvenient swapped to solar at various points on that cost curve ex:sailboats. That was sped up by subsides, without which panels might still be 50$/watt and mostly used for calculators etc.
After bridging the vast technical gap to become cost competitive with coal adoption was going to increase dramatically, no subsides needed. So sure without China panels might be 20-50% more expensive, but that simply isn’t a big deal because PV would still be the cheapest option.
Put another way if they had been 80% cheaper than the rest of the market a 30% US tariff would have been meaningless.
That has been true in China.
was. LG is shutting down solar panel manufacturing https://electrek.co/2022/02/23/lg-electronics-is-going-to-st...
Some US and EU manufactures where able to keep up with the price drops and they would have reached similar price drops with or without any involvement from China. Completion and increased investment (Ed: and arguably dumping) did result in a short term drop in prices, but current prices are in line with trends going back to the 1970’s.
For example LG Solar, a South Korean company, is manufacturing 500 megawatts of solar panels annually in Huntsville, AL cost competitively. SunPower a US company manufactures some of the highest efficiency mass market solar cells in Malaysia and the Philippines etc.
People want to simplify things and say country X did Y, but it’s far more complicated especially when you look into how long it takes to bring new manufacturing methods to market.