PROP TX-ENERGY SYSTEMS Senate SponsorsSen. Sally J. Turner-Terri Bryant-Chapin Rose and Dave Syverson 1/27/2026SenateAssigned to Revenue 35 ILCS 200/10-60035 ILCS 200/10-720Amends the Property Tax Code. In provisions concerning the valuation of wind energy devices, provides that, for taxable year 2026 and thereafter, the real property cost basis is $588,000 per megawatt of nameplate capacity (currently, $360,000 per megawatt of nameplate capacity). In provisions concerning the valuation of solar energy systems, provides that, for taxable year 2026 and thereafter, the real property cost basis is $446,000 per megawatt of nameplate capacity (currently, $218,000 per megawatt of nameplate capacity). Effective immediately. 10/14/2025SenateFiled with Secretary by Sen. Sally J. Turner 10/14/2025SenateFirst Reading 10/14/2025SenateReferred to Assignments 10/22/2025SenateAdded as Chief Co-Sponsor Sen. Terri Bryant 10/27/2025SenateAdded as Co-Sponsor Sen. Dave Syverson 10/28/2025SenateAdded as Chief Co-Sponsor Sen. Chapin Rose 1/27/2026SenateAssigned to Revenue 3/13/2026SenateRule 2-10 Committee Deadline Established As April 24, 2026