This is absolutely not true. They are also taking off a lot in the western world too and are the vast majority of new energy capacity. A lot western countries are trying to hamper them somewhat because of fossil fuel interests interfering, but they are not at all banned

Even in the US where the US government is even more actively trying to restrict, there is still a massive boom

Even as President Donald Trump boosts coal over clean energy, solar power is hitting new milestones in the U.S. and remains the leading source of new power.

Solar power hits new milestones in the US even as Trump boosts coal over clean energy