This is a new, separate request on top of the rate increase that already took effect in May 2026. Michigan's Attorney General is now pushing to cut it by more than half; nothing has been decided yet.
+$13a month
Large load and data center service tariff (GPD amendment)
Approved Supply and capacity price, docket U-21859 before the Michigan Public Service Commission.
No residential dollar figure published yet
The filing does not state a typical-bill impact we can verify. We will add one when the commission staff or the consumer advocate publishes it.
What happens next
The decision is final; the new rate takes effect once the order sets a date. How rate cases work.
Fileddate not published
Hearingheld or waived
DecisionNov 6, 2025
On billsdate not published
Consumers Energy asked the Michigan Public Service Commission in February 2025 to create new tariff rules for customers with electric loads of 100 megawatts or more, which today mostly means data centers. The commission approved the amended tariff on November 6, 2025, requiring these customers to sign contracts of at least 15 years and pay for at least 80 percent of the power capacity they reserve every month, even in months they use less. Regulators said the terms are meant to keep the cost of new power lines and generation built for data centers off the bills of everyday Consumers Energy customers.
What it means for your bill: This does not change a typical home bill by itself, but it sets the rules meant to stop the cost of new data center power hookups from being spread across every Consumers Energy customer's rate.
- Status
- Approved
- Utility
- Consumers Energy
- Commission
- Michigan Public Service Commission
- Docket
- U-21859
- Decided
- November 6, 2025
- Data center linked
- Yes. The filing ties part of the cost or the tariff design to data center load. The projects themselves: isadatacentercoming.com.
- Last checked
- August 29, 2026
Common questions
How much will my Consumers Energy bill go up?
That has not been published yet; we will add it once the commission staff or the consumer advocate release a figure.
When would the new rates start?
Not yet set. That is decided along with the case, usually as part of the commission's final order.
When is the hearing?
No hearing date is on record for this case.
How do I comment?
The comment period closed once this case was decided; its result is above.
Sources
- MPSC Approves Consumers Energy Tariff for Large Data Centers, The National Law Review
- MPSC Approves Consumers Energy Tariff for Large Data Centers, Varnum LLP
- MPSC approves terms of service between Consumers Energy and data centers, other very large customers; adds protections for existing customers, Michigan Public Service Commission, 2025-11-06
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Other Consumers Energy matters
This funds grid hardening work, not data centers; a separate, larger Consumers Energy rate request was already filed for the following year.
+$6a month
Other pending cases in Michigan
1
2027-2028 electric rate case
Consumers Energy, MI
This is a new, separate request on top of the rate increase that already took effect in May 2026. Michigan's Attorney General is now pushing to cut it by more than half; nothing has been decided yet.
+$13a month
2
2027 electric rate case
DTE Electric, MI
If approved as filed, this would be a bigger increase than the 4.1 percent DTE got approved in its last case; MPSC Staff and the state Attorney General both want the increase cut well below what DTE asked for.
+$12a month, est.