Obviously not everything is a race, and adoption matters much more than invention, but was interesting seeing China, France, and Britain’s (and I think Canada maybe?) fusion teams one upping their fusion length records. I think my money is still on China, but I’m not a fusion expert so I’m not quite sure hoe far apart all the contenders are from each other.
Those solar panels also must be manufactured, which require building more factories and mines. In the end, the difference in industrial investment scale is not that important.