Nuclear power’s ability to provide firm, around-the-clock, zero-carbon power has led to a resurgence in interest, but a nuclear comeback is far from certain with the sector facing “significant challenges and limitations”, US-based management consultancy firm ICF said in a report.

Economic viability, technological uncertainty, lead time, scalability, federal incentives, fuel, and public acceptance will ultimately determine the future of nuclear energy in the US, ICF said.