FORT WAYNE, Ind. (WANE) — NIPSCO has responded to a state investigation looking into potential billing errors that resulted in customers being charged exorbitant energy prices.
The investigation, which is being overseen by the Indiana Utility Regulatory Commission (IURC), started in November 2025 after NIPSCO reported to the commission potential issues during the rollout of the company’s new Advanced Metering Infrastructure (AMI). The overhaul will allow NIPSCO to read a customer’s meter without having to send someone to read the meter in person and replace the Automated Meter Reading (AMR) module.
On Nov. 25, Beth Heline, General Counsel to the IURC, noted NIPSCO staff found issues with a “not-insignificant” number of natural gas meters during the switch from the AMR to the AMI module. Heline also noted NIPSCO was absent in “proactively providing notice or explanation to the affected customers,” according to IURC documents…