Decommissioning requires decades, specialist personnel, management of radioactive materials, and dedicated funds. Generic estimates typically place it below the construction cost, but complex legacy cases can become very expensive. The claim that 'it costs more than construction' is therefore not a technical rule. It is correct instead to say that the cost must be planned and provisioned during operation.
All FAQ
46.
Does decommissioning a nuclear power plant cost more than building it?
Generally false, but costs can be significant.
