SK hynix $4B West Lafayette Groundbreaking, AES Indiana Rate Rehearing, and Elkhart RV Tariffs: Indiana Manufacturing News for September 3, 2026

Indiana is simultaneously attracting the largest single development investment in its history and watching two of its most established industrial supply chains restructure beneath the surface, and three hard dates in the next 90 days determine whether you are positioned ahead of those moves or behind them.

Questions for Your Morning Huddle

Q: What does the December Tippecanoe Circuit Court rezoning trial mean for SK hynix's CHIPS Act funding?

A: The CHIPS Act releases funds in milestone-tied tranches. If the December trial produces an adverse ruling on the rezoning validity, it creates a disbursement sequencing risk that could freeze hundreds of millions mid-build, at a stage when the facility is far enough along that a freeze would be far more damaging than it is today at 7% complete. Suppliers and contractors sized around the 2029 production ramp need someone tracking that docket now.

Q: What should Indiana manufacturers model before the AES Indiana IURC preliminary hearing on September 17?

A: Model both the full January 2027 phase-two AES rate increase (roughly $54 million annualized) and a partial rollback scenario. The Zay lawsuit creates collateral challenge exposure on any order the reconstituted commission issues, which means neither outcome is certain. September 17 is the deadline to have both scenarios stress-tested in your 2027 energy cost forecast before the hearing narrows the range.

Q: How do Canada's September 8 retaliatory tariffs on steel and aluminum affect Elkhart County RV manufacturers?

A: Finished RVs narrowly avoided direct inclusion on Canada's retaliatory tariff list, but RV OEMs source steel and aluminum components through cross-border supply chains. Any Canadian input passing back through a U.S. finished product faces a direct cost increase, and secondary effects on North American steel and aluminum pricing add a second exposure layer. With Elkhart already soft (Thor Industries filed WARN notices for 570 workers) and the LCI/Patrick merger in HSR antitrust review, September 8 is a hard date, not an abstract one. Audit your Canadian sourcing before the week is out.