Pending cases for Indiana Michigan Power (I&M) include the utility's:
- Expedited Generation Resource (EGR) Plan (IURC Cause No. 46301)
- Oregon Clean Energy Center Purchase (IURC Cause No. 46217)
- Semi-Annual Fuel Cost Adjustments (For the latest case file, click here and enter Cause Number 38702)
- Capacity Arrangement & Demand Response Contract - Google (IURC Cause No. 46276)
- Wind Energy Purchase Agreements (IURC Cause No. 46238)
- Energy Efficiency Plan (IURC Cause No. 46255)
Base rates cover most infrastructure and operating/maintenance costs while rate adjustment “trackers,” as described below, allow for more frequent rate changes for specific costs as designated by law.
In the 2025 IURC survey of residential electric utility bills, I&M's typical bill ranked third-highest among the electric utilities under the IURC’s jurisdiction.
Base Rates
I&M's current base rates were approved in May 2024, with previous base rate cases concluding in 2022, 2020, and 2018.
Trackers
In addition to base rates, Indiana electric utilities recover and credit separate, specific costs through rate adjustment mechanisms known as "trackers." I&M's rate adjustments via trackers are reviewed by the OUCC and approved by the IURC on a semi-annual or annual basis.
I&M's authorized trackers make up about 20.2% of a residential customer's typical electric bill as of July 2025.
I&M uses the following trackers. All filings are available by entering the cause number in the IURC's Online Services Portal.
Tracker Recovers Costs for Frequency IURC Cause No. Fuel Adjustment Clause (FAC) Coal, nuclear and other fuel costs Semi-Annual 38702 Environmental Cost Recovery (ECR) Emissions control equipment (including operations & maintenance) Annual 44331, 44523, 43992 Demand Side Management (DSM) Energy efficiency programs Annual 43827 Off-System Sales (OSS) Power sales to the wholesale market Annual 43775 PJM Interconnection (PJM) Regional transmission costs Annual 43774 Resource Adequacy Rider (RAR) Purchased power capacity cost changes Annual Phase-In Rate Adjustment (PRA) Phase-in of new base rates Annual Solar Power Rider (SPR) Renewable energy projects Annual 44511
Previous I&M cases before the IURC include:
- Industrial Tariff (Cause No. 46097)
- Electric Vehicle Portfolio (Cause No. 46090)
- Tax Rider (Cause No. 46080)
- Lawrenceburg Purchase Power Agreement (Cause No. 46083)
- Meadow Lake IV Wind and Hoosier Line Solar Project (Cause No. 46088)
- Elkhart County Solar Project (Cause No. 46085)
- Approved Electric Vehicle Tariff (Cause No. 45919)
- Electric Vehicle Pilot Program (Cause No. 45901)
- Generation Projects (Cause No. 45868 & 45869)
- Proposed Economic Development Tariff (Cause No. 45781)
- Financing Request (Cause No. 45806)
- Distributed generation tariff (Cause No. 45506)
- Current energy efficiency plan (Cause No. 45701)
- Utility Receipts Tax removal (Cause No. TD-50508)
- Rockport Generating Station Settlement (Cause No. 45546)
- COVID-19 investigation (Cause No. 45380)
- 2017 Tax Cuts & Jobs Act investigation (Cause No. 45032)
- Proposed 7-year infrastructure plan (Cause No. 44542)
- Energy efficiency plan (Cause No. 45285)
- Cook Nuclear Plant life cycle management (Cause No. 44182)
- Rockport Generating Station emission controls (Cause Nos. 44871 & 44331)
8-20-25
