I think most of the recent progress has been in lowering prices, while the amount of power you can extract from a square meter of land presumably hasn't changed much. But I don't actually remember any serious commenter suggesting that running out of physical room was ever an actual consideration when it came to solar.
I think most of the recent progress has been in lowering prices, while the amount of power you can extract from a square meter of land presumably hasn't changed much. But I don't actually remember any serious commenter suggesting that running out of physical room was ever an actual consideration when it came to solar.