Green energy setbacks; creating setback requirements for certain solar energy farms; modifying setback provisions for wind energy facilities; effective date.

HB 1451 establishes new distance requirements for utility-scale solar and wind energy facilities in Oklahoma. Solar farms must maintain at least 1.5 nautical miles from airports, public schools, and hospitals, and 3 nautical miles from property lines. Wind energy projects must follow these same distances but also require a Federal Aviation Administration "Determination of No Hazard" and resolution of military impact concerns before construction. Developers must submit compliance attestations to the Oklahoma Corporation Commission, with disputes resolved in district courts. The bill takes effect November 1, 2025.