It has two operating units that were the precursors to the European Pressurized Reactor, being the "N4 stage". Designed for a net power output of 1450 MWe per unit, power was uprated to 1495 MWe in 2003. Water from the Vienne River is used for cooling.
As of 2004, 692 people work at the plant, with 12.9% women.
The cooling towers of Civaux Nuclear Power Plant are 180 metres in height, making them the tallest cooling towers in France.