> There are only 2 plants operational right now. Once there are 1000 or something

I think we should refresh ourselves on the timeline[0] of Flamanville 3, although this should probably come with a trigger warning.

First concrete was poured for the demonstration EPR reactor at the Flamanville Nuclear Power Plant on 6 December 2007.

In December 2007, construction of the unit itself began. This was expected to last 54 months, with commissioning planned for 2012.

In April 2008, the French nuclear safety authority (Autorité de sûreté nucléaire, ASN) reported that a quarter of the welds inspected in the secondary containment steel liner are not in accordance with norms, and that cracks have been found in the concrete base.

In May 2009, Stephen Thomas reported that after 18 months of construction, and after a series of quality control problems, the project is "more than 20 percent over budget and EDF is struggling to keep it on schedule".

In August 2010, the regulator, ASN, reported further welding problems on the secondary containment steel liner [..] EDF announced that costs had increased 50% to €5 billion, and commissioning was delayed by about two years to 2014.

In July 2011, EDF announced that the estimated costs had escalated to €6 billion, and that completion of construction was delayed to 2016.

In December 2012, EDF announced that the estimated costs had escalated to €8.5 billion

In November 2014, EDF announced that completion of construction was delayed to 2017, due to delays in component delivery by Areva.

In April 2015, Areva informed the French nuclear regulator ASN that anomalies had been detected in the reactor vessel steel, causing "lower than expected mechanical toughness values" [..] [it was] reported that Areva had been aware of this problem since 2006.

In June 2015, multiple faults in cooling system safety valves were discovered by ASN.

In September 2015, EDF announced that the estimated costs had escalated to €10.5 billion, and the start-up of the reactor was delayed to the fourth quarter of 2018.

In April 2016, ASN announced that additional weak spots had been found in the reactor steel, and Areva and EDF responded that new tests would be conducted, though construction work would continue.

In February 2017 [it was] stated the project was six years late, and €7.2 billion over budget, while renewed delays in the construction of the EPR-reactors at Taishan Nuclear Power Plant prompted EDF to state that Flamanville 3 remains on schedule to start operations by the end of 2018, assuming it receives regulatory approval.

The discovery of quality deviations in the welding led to a further revision of the schedule in July 2018. Fuel loading was delayed until the end of 2019, and the cost estimate was increased from €10.5 billion to €10.9 billion.

In June 2019, nuclear regulator ASN determined that eight welds in steam transfer pipes passing through the two wall containment, that EDF had hoped to repair after startup, must be repaired before the reactor is commissioned [..] estimated costs were €11 billion.

In October 2019, EDF announced that because of this issue costs would increase to €12.4 billion and that fuel loading would be delayed until the end of 2022. [auditors] revealed that the costs could reach €19.1 billion instead of €12.4 billion when taking into account the additional charges due to the delay in construction.

In January 2022, it was announced that more time was needed for the repair of faulty welds and the solving of other issues.

In December 2022, EDF announced a further delay of at least six months with an estimated cost increase of €500 million due to more work to establish a new process for the stress relieving heat treatment of some welds close to sensitive equipment.

Fuel loading is now forecast for early 2024.

Estimated total costs increased to €13.2 billion.

Given all that, I'm not sure there's much appetite to continue building them at all, never mind at the scale you suggest.

[0] https://en.wikipedia.org/wiki/EPR_(nuclear_reactor)#Flamanvi...