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Performance-Based Ratemaking Study

About the Study

In 2023, the Indiana General Assembly passed House Enrolled Act 1007, which, among other provisions, tasked the Commission with conducting a comprehensive study on the topic of performance-based ratemaking for electricity suppliers. The study must take into consideration various aspects of performance-based ratemaking, such as multi-year rate plans, index-driven revenue formulas, and performance incentive mechanisms, and include recommendations on the appropriate design, framework, and requirements.

Christensen Associates Energy Consulting was chosen to help conduct the study, and their report was released to stakeholders for comment on May 9, 2025. The Commission submitted its recommendations based on the Christensen report and stakeholder comments for the General Assembly’s consideration in September 2025.

IURC Performance-Based Ratemaking Report

To download the full report, which includes the Commission's executive summary and the expert study by Christensen Associates, click the link below.

Download the report

PBR Study Comments

The Commission held a public comment period on the expert study of performance-based ratemaking prepared by Christensen Associates from May 9, 2025, to July 16, 2025. The following list includes the comments that were received.

  • AARP | PDF
  • Advanced Energy United | PDF
  • Citizens Action Coalition | PDF
  • Indiana Industrial Energy Consumers, Inc. | PDF
  • Indiana Investor-owned Electric Utilities | PDF
  • Indiana Office of Utility Consumer Counselor | PDF

Stakeholder Surveys

Initial Survey

As part of the study, Christensen Associates developed an initial survey to solicit input from stakeholders concerning performance-based ratemaking in order to guide a virtual workshop discussion concerning the study. The initial survey responses are posted below.

  • AARP | PDF
  • Advanced Energy United | PDF
  • Citizens Action Coalition | PDF
  • Indiana Industrial Energy Consumers, Inc. | PDF
  • Indiana Michigan Power Company | PDF
  • Indiana Investor-owned Electric Utilities | PDF
  • Indiana Office of Utility Consumer Counselor | PDF
  • Northern Indiana Public Service Company | PDF
  • Reliable Energy, Inc. | PDF

Second Survey

The Commission held a stakeholder workshop on October 17, 2024, from 9:00 a.m. – 11:30 a.m. via Microsoft Teams. Following the Oct. 17 workshop, Christensen Associates sent out a second survey to solicit input from stakeholders based on feedback gathered during the workshop concerning the study. The second survey responses are posted below.

  • AARP | PDF
  • Advanced Energy United | PDF
  • Citizens Action Coalition | PDF
  • Indiana Industrial Energy Consumers, Inc. | PDF
  • Indiana Investor-owned Electric Utilities | PDF
  • Indiana Office of Utility Consumer Counselor | PDF

Contact

If you have questions about the PBR study, please contact the External Affairs Division.