There is a trick, you can multiple build simultaneously. Or better with a slight delay, so that construction crews (which do separate phases of construction) can move between projects and use experience gained in one build in another build.
Nuclear construction requires highly skilled workers doing very high quality work. One of the biggest problems with nuclear construction in U.S. and Europe is that last significant builds have been done around 1985, companies doing nuclear construction closed or moved to other products, or moved to maintenance, upgrades of power plants.
https://en.wikipedia.org/wiki/Barakah_nuclear_power_plant
Nameplate capacity 5600 MW
Construction began
Unit 1: 19 July 2012
Unit 2: 16 April 2013
Unit 3: 24 September 2014
Unit 4: 30 July 2015
Commission date
Unit 1: 3 August 2020
Unit 2: 14 September 2021
Unit 3: 10 October 2022
Unit 4: 23 March 2024