Current bids for new nuclear power plants in China fell below $2000/kW in 2016. China's Hualong reactor's estimated per GW construction cost of US$2.5 billion.
China has 43 GW of reactors and will be completing 11 more reactors for about 13 GW of power. 40GW of reactors generated 285 TWh of power in 2018. China built those for about $90–110 billion. A GW of nuclear power can produce 8 TWh when operated with US level efficiency and capacity factor. China does not full operation out of some new reactors as they cannot operate a full year. Steady-state 40 GW can generate 320 TWh for full-year operation. China build is about half the cost of France's build in the 1980s.
France built 58 nuclear reactors over 15 years and has generated over 400 TWh with them. The inflation-adjusted price was $330 billion.
Germany spent $580 billion on solar and wind to get about 220 TWh. This was four times more expensive than France.