On August 27, the MPSC approved modified DTE emergency procedures requiring the 1,383 MW Saline Township data center and other qualifying large-load customers to shed firm load before other customers when doing so would prevent broader firm load shedding.
Why it matters
The order turns a central public concern into an enforceable operating rule: during qualifying grid emergencies, the enormous new load is curtailed before households and ordinary businesses. It also establishes a concrete reliability precedent for future Michigan hyperscale contracts.
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DTE implementation filings · Stargate energization and ramp schedule · emergency curtailment triggers · Case U-22059
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.
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.
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I&M standalone tariff filing · ex parte filings for each new large-load customer · cost-allocation models · Case U-21986
On August 25, Garfield Township approved a twelve-month moratorium on data centers and cryptocurrency-mining facilities while it studies environmental, water, power and land-use impacts. The board may extend the pause for as long as six additional months.
Why it matters
The action moves Grand Traverse County from general concern to a formal development pause and gives the township time to write permanent rules before accepting or approving a project. It also expands the statewide moratorium pattern into northwest Lower Michigan.
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Planning Commission rulemaking · environmental and utility studies · any extension vote · new applicant activity
Raeden Acquisitions and property owner CAL Realty filed a federal lawsuit challenging Gibraltar’s one-year data-center moratorium and asking the city to review the proposed 100 MW facility at the former McLouth Steel property.
Why it matters
The case could become an early test of how Michigan communities use temporary moratoriums after a developer has already submitted an application. Its outcome may influence local strategies well beyond Gibraltar.
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City response · preliminary motions · treatment of the pre-moratorium application · Case 2:26-cv-12893