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Utilities may charge for nuclear pre-construction costs under bill sent to governor's desk

By Rebecca Thiele

Posted March 21, 2025

A model showing the difference in size between small modular nuclear reactors and a traditional nuclear plant. Senate Bill 424 would subsidize the development of small modular nuclear reactors. (Idaho National Laboratory/U.S. Department of Energy)

A bill to subsidize the development of small modular nuclear reactors now waits for the governor’s signature.

Senate Bill 424 allows an Indiana utility to pass along some of the pre-construction costs to their customers — even if the plant never gets finished. So far, none of the ones in the U.S. have.

One federally-funded project was canceled in 2023 after more than a decade of work and nearly $9 billion in costs.

The legislation is one of several proposed this year to ensure AI data centers coming into Indiana have the massive amount of power they need to operate.

Rebecca is our energy and environment reporter. Contact her at rthiele@iu.edu or follow her on Twitter at @beckythiele.