As with most markets, it will be a mix for the foreseeable future. There will be dominant players and minor ones, holes filled by suboptimal forms, etc. Even if

As with most markets, it will be a mix for the foreseeable future. There will be dominant players and minor ones, holes filled by suboptimal forms, etc. Even if nuclear energy were the dominant source, we would still be burning some fossil fuels. Optimization should be the goal rather than perfection.