FSEC posts addendum on Horse Heaven Wind micrositing; staff received 107 comments
Jul 15, 2026
FSEC staff released an addendum to the Horse Heaven Wind project's final EIS covering micrositing updates (commitment to option 2 turbines, turbine count reduction and routing changes). Staff said 107 comments were received and concluded the changes largely fall within the FEIS scope; the one nonsubstantial change (switch from underground to overhead crossing of I‑82) was addressed in the addendum.
The full story
FSEC staff reported on an addendum to the Horse Heaven Wind final environmental impact statement that addresses micrositing updates proposed by the certificate holder. Amy Moon summarized the seven core changes, which include a commitment to use the taller "option 2" turbines (up to 147 turbines; tip height up to 671 feet), a reduced overall turbine count in the updated layout, routing and switchyard shifts within the approved micrositing corridor, and converting a planned Interstate 82 underground crossing to an overhead crossing.
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