Which of the Following Statements About Maintenance at the Pickering

Which of the following statements about maintenance at the Pickering Nuclear Station is false?

A) This approach to maintenance contributes to the facility's excellent record of reliability.
B) All of the nuclear units linked to the vacuum building must be shut down to carry out inspection at the vacuum building.
C) Springtime is chosen as the right time to undertake this inspection due to the lower demand for electricity at that time, compared to winter and summer.
D) It does not provide the province of Ontario with any significant amount of electricity supply.
E) Costs associated with interruptions are several times higher than costs arising from preventive maintenance.