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Natural Gas Industry

The Commission, through its Energy Division, monitors and evaluates regulatory and policy initiatives affecting the natural gas industry, as well as reviews and analyzes regulatory proceedings initiated by Indiana’s natural gas utilities. These proceedings can be complex, sometimes taking 12-18 months to complete. These proceedings include, but are not limited to, rate changes (including gas cost adjustment costs and general rate changes), financing, alternative regulatory plans, service area matters, and conservation initiatives, as well as customer assistance programs. The Research, Policy, and Planning Division provides research and technical support to the Energy Division and the Commission, focusing on federal and state policy and legislation that may impact Indiana utilities and ratepayers. If you would like more information regarding the Research, Policy and Planning Division, please click here.

Below you will find rate comparison data, utility tariffs, 30-day filings, lists of jurisdictional and withdrawn utilities, and administrative materials and forms for regulated utilities.

To contact the Energy Division with any questions or to request copies of natural gas utility tariffs and annual reports submitted by regulated natural gas utilities, please call 317-232-5559.

Rates, Charges, Rules, and Regulations

Jurisdictional and Withdrawn Utilities

Certain utilities may withdraw from some aspects of Commission regulation, such as rates, charges, and financing. The Commission retains authority over all Indiana natural gas utilities regarding pipeline safety compliance.

Administrative Materials and Forms

  • Annual Report Filing Process: Forms
  • Public Utility Fee Report: Form

NIPSCO Choice Registered Suppliers

Additional Resources

For additional information about the natural gas industry and utility regulation, please click here.