Manufacturing NewsTEG DailyJune 18, 2026

June 18, 2026 · Statewide · Story 1 of 3

Duke Energy Indiana $89M Overcharge: Utility Consumer Counselor Files IURC Appeal

Indiana Utility Consumer Counselor Abby Gray has filed a formal appeal before the full five-member IURC panel, accusing Duke Energy Indiana of over-collecting more than $89 million from customers across 69 counties. The mechanism is a clerical error: the IURC approved a revenue increase of $295.7 million in last year's rate case, but the written order accidentally stated $396 million, and Duke's compliance filings targeted $384.7 million. The Citizens Action Coalition and a coalition of large industrial ratepayers have joined the appeal. Duke has filed a notice of intent not to respond, forcing the commission to rule without rebuttal.

The concern here runs well past one clerical error. A ruling in Duke's favor keeps the door open for NIPSCO, CenterPoint, AES Indiana, and I&M to invoke the same logic in future compliance disputes. Annual forward exposure for Duke's industrial customers is $86 million if rates are not corrected. If you operate in Duke's 69-county service territory, confirm whether your facility has standing to join the industrial coalition in Cause No. 46038 before that ruling lands.

For the huddle

What is the Duke Energy Indiana overcharge case about?

Indiana's Utility Consumer Counselor has accused Duke Energy of over-collecting more than $89 million after a clerical error caused Duke's compliance filings to target $384.7 million, significantly above the IURC-approved $295.7 million revenue increase. The full five-member IURC panel is now set to rule, with the outcome potentially affecting how every other Indiana investor-owned utility handles compliance disputes in future rate cases.

For the huddle

How can Indiana industrial customers join the Duke Energy IURC appeal?

The formal proceeding is Cause No. 46038 before the IURC, and a coalition of large industrial ratepayers has already intervened. If your facility is in Duke Energy's 69-county Indiana service territory, confirm with legal counsel whether you have standing to participate before the commission rules.

From the brief, June 18, 2026

  1. Duke Energy Indiana $89M Overcharge: Utility Consumer Counselor Files IURC Appeal
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  3. Indiana Labor Market and Toyota Supplier Cluster: Seven Months Down, and Four Plants Going Dark in July

The whole day’s brief →

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