It’s out, the Prairie Island Final Supplemental Environmental Impact Statement, here are the pieces from the Commerce-EERA site. Check it out and register your comments by May 10, 2022:

Final Supplemental Environmental Impact Statement (SEIS) — Prairie Island Nuclear Plant

There doesn’t seem to be a link to a “one stop shopping” pdf of the entire thing.

You can also find the SEIS at the Red Wing Library.

Next steps? Comments on adequacy of the SEIS.

COMMENTS DUE MAY 10, 2022