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Research and Development Costs (Tables)

9 Months Ended

Sep. 30, 2024

Research and Development Costs

Schedule of research and development expenses

		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2024				2023				2024				2023
INL Project		$	0.4			$	0.2			$	1.1			$	0.5
Romania Feasibility Study			—				—				0.1				—
Centrus Energy FEED Study			0.1				—				0.3				—
Allocated employee compensation and stock-based compensation expenses			0.5				0.2				1.2				0.5
Other outside R&D expenses			0.3				0.1				0.5				0.3
Total		$	1.3			$	0.5			$	3.2			$	1.3

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