The Department of Energy’s estimated overall liability for failing to dispose of the country’s commercial spent nuclear fuel jumped as much as 10 percent this year, from a range of $34.1 billion to $41 billion in 2023 to a range of $37.6 billion to $44.5 billion in 2024, according to a financial audit of the DOE’s Nuclear Waste Fund (NWF) for fiscal year 2024.