Source / SG Turbines Condenser FWH Reheaters Other η Xh (right axis)
AGR simple
53.6 %
+ Reheat
57.0 %
+ 2 FWH
60.7 %
EPR Flamanville 3
73.4 %
VVER-70
57.5 %

T₀ = 15 °C. AGR models: Tk = 700 °C, T₀ = 20 °C (simplified). EPR: Tk = 334 °C. VVER-70: Tk = 283 °C (Nuscle model).
Source % for AGR includes all SG sections (economiser, evaporator, superheater, reheater). FWH for EPR includes reheaters (5.3 %).