The capital cost of nuclear plants represents around 80% of the overall cost of nuclear power generation
The unit nuclear power generation cost of 7.2 yen/kWh includes 1.9 yen/kWh in capital cost, 0.6 yen/kWh in fuel cost, 2.7 yen/kWh in operation and maintenance cost, 1.8 yen/kWh in backend cost and 0.3 yen/kWh in reactor decommissioning cost.