Innovative and mundane

Economic modelling Gen-IV compares costs of SMR to PWR

The total cost per kW of electricity generated by a 114-MW small modular reactor unit is $2,653 compared to $4,764 per kW for a conventional pressurised water reactor unit of 1,144 MW, economic modelling data indicates.

The data has been published by the Energy Impact Centre (EIC), founded in 2017 by robotics expert Bret Kugelmass. EIC is developing what it calls Open100, the world’s first open-source blueprint for the design, construction and financing of a 114-MW SMR.

It shows that the total cost of the SMR would be slightly over $303m. This compares to $5.5bn for the 1,144-MW reference plant.

The levelised cost of electricity (LCOE) from the SMR would be $36/MWh compared to $92/MWh for the reference plant.

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