Nuclear SMR - Reactor-to-Shaft Equivalent
Small Modular Reactor propulsion is zero-carbon at operation. WtW GHG comes entirely from reactor construction, fuel cycle, and decommissioning. This tool compares reactor energy output to conventional fuel equivalence.
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Formula, assumptions, limits
WtW factors include upstream extraction, processing, transport, plus tank-to-wake combustion and relevant CH₄/N₂O. FuelEU Maritime Annex II publishes the authoritative defaults.
In short
Compare nuclear Small Modular Reactor propulsion to conventional fuel equivalence - shaft energy, fuel displacement, lifecycle GHG.