24 Month Fuel Cycle Extensions

EXCEL’s professionals have extensive involvement with nuclear utilities performing all aspects of the evaluations necessary for transition to a 24-month operating cycle (except for the fuels and vessel analysis). EXCEL has and continues to work with Nuclear Energy Institute (NEI), the Owners Groups and the Nuclear Regulatory Commission (NRC) in the development and licensing of the 24-month operating cycle extension projects, as well as the relevant industry guidance documents. EXCEL has extensive experience in the development of surveillance failure analyses, instrument drift analyses, instrument uncertainty/setpoint calculations, and Probabilistic Risk Assessment (PRA) revisions to support the surveillance interval extensions. EXCEL has significant experience in all phases of 24 Month Fuel Cycle Extension projects, from the scoping study phase, through design and licensing, to project implementation and trending.