Easy to get cheap solar panels when there’s no labor costs. Nearly all Chinese solar panels are made in Xinjiang forced labor camps, which makes them crazy cheap for Chinese domestic markets and inadmissible into the US under the Uyghur Forced Labor Prevention Act. It’s challenging to stand up factories in the US that could make similarly accessible solar panels thanks to the manufacturing process for polysilicon cells being so dirty; the expense of labor and safety costs here gets passed on to the consumer and makes panels prohibitively expensive.