Data Center Atlas Intelligence LayerSignals are concise, sourced changes captured as data-center projects, power, policy, and local conditions evolve across the Great Lakes.
Power signal
Michigan utility regulation · Statewide
MPSC tightens the rules for new 50 MW loads
What changed
The MPSC approved an amended Indiana Michigan Power tariff for customers drawing at least 50 MW, including a 15-year contract, minimum billing and energy obligations, termination protections, advance notice requirements and increased collateral.
Changed Aug 27, 2026 100% confidence 1 public source
Why it matters
This is a practical Michigan template for preventing speculative or short-lived data-center demand from shifting stranded infrastructure costs to other utility customers. The Commission also ordered I&M to propose a standalone very-large-load rate in its next general rate case.
Watch next
I&M standalone tariff filing · ex parte filings for each new large-load customer · cost-allocation models · Case U-21986