Hardened 9-Model Consensus Audit for Municipal Pilot Authorization
TGL-Only Final Municipal Authorization Brief · June 29, 2026
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One 50 MW compute node contained within a 300 MW aggregate municipal/zonal compute ceiling. Host jurisdiction assumed to be a municipal or public-power entity exercising land-use, franchise, and retail interconnection authority — operating outside FERC-style retail/wholesale preemption risk. This document is the standalone engineering-and-policy handoff for boards moving to pilot authorization vote.
Hard engineering constraints — 50 MW absolute cap, 300 MW aggregate ceiling, impact fee structure, exhaustion budget, and hardware ratchet mechanism.
Full audit consensus from nine independent AI governance models — unanimous authorization recommendation with conditions.
Zero Liquid Discharge mandate engineering — closed-loop water recovery calculations, discharge prohibition enforcement, and aquifer protection framework.
Impact fee structuring preventing federal preemption. Model ordinance language. Franchise authority analysis. Land-use permit conditions that survive legal challenge.
PLC interlock logic specifications, Level-1 SCADA lockout triggers, Siemens-compatible architecture, and hardware refresh capacity ratchet enforcement protocol.
Permitted capacity impact fees, grid-curtailment revenue model, exhaustion budget accounting, and net-positive utility node conversion economics.
Enforced via Level-1 SCADA lockout — hardware interlock, not software switch. Facility cannot draw beyond the cap regardless of grid headroom. PLC-enforced, tamper-evident.
No single municipality or zone may permit more than 300 MW of aggregate connected large-load compute. Prevents cluster formation that overwhelms grid infrastructure.
Land-use zoning fee applied at interconnection approval — structured to survive FERC preemption challenge. Creates a financial barrier against uncontrolled density while funding municipal grid hardening.
Lifetime total energy throughput limit prevents on-site fossil fuel generation bypass. Facility that exceeds its energy budget triggers compliance review and potential de-authorization.
Mandatory capacity reduction upon hardware upgrades — prevents efficiency gains from being reinvested into raw power draw growth. Each hardware refresh must result in equal or lower aggregate capacity.
This document is an engineering-and-policy handoff brief derived from nine independent AI governance audits dated June 29, 2026. It does not constitute legal advice. Municipal counsel should review impact fee structures and land-use ordinance language for local jurisdiction compliance before adoption.