Nuclear power can be dispatched/throttled. The reason why it's not done in practice is because it's uneconomic - the cost of nuclear power is almost all in bui

Nuclear power can be dispatched/throttled. The reason why it's not done in practice is because it's uneconomic - the cost of nuclear power is almost all in building the plant and in the subsequent decommissioning, the power itself is almost free once you account for that. So you're better off producing, even under very unfavorable conditions. (Negative prices for power due to excess production can theoretically happen, but they will be solved if storage can be expanded and demand response can be deployed at scale. And renewables are even less capable of throttling in case of negative prices.)