Maybe the figures are for large-scale power-grid solar, or something? (I share your suspicion, though. And the figures being used for nuclear seem too high to

Maybe the figures are for large-scale power-grid solar, or something? (I share your suspicion, though. And the figures being used for nuclear seem too high to me; e.g., no one is building nuclear power facilities as dangerous as Chernobyl any more, so far as I know.)