This page is used by NIPSCO to comply with requirements of the Federal Energy Regulatory Commission (FERC) Standards of Conduct. Electric utilities are required to make available on their public website detailed information about their standards of conduct policies, organizational structure, and tariff administration practices.

Contact us

Northern Indiana Public Service Company

801 E. 86th Avenue
Merrillville, IN 46410 Map

Attn: Bryan Little at 317-684-4903

Transmission rate information

Current formula rates

Annual true up




Projected net revenue requirement




Information exchange

  • No posting

Informal challenges

  • No posting

Annual informational filing

  • Coming soon


  • Coming soon

Emergency deviations

  • No posting

Marketing function names and addresses

FERC 717

Employee staffed shared facilities

NIPSCO organizational structure

If you need additional information or historical data on NIPSCO Organizational Structure, please e-mail NiSource at

Potential merger partners

  • No posting


If you need additional information or historical data on NiSource Transfers, please e-mail NiSource at

Implementation procedures

Information disclosures

Consent to share information

No posting

Tariff discretionary actions


Transmission planning reliability criteria and assessment practices

Have an emergency?

Natural Gas: If you smell gas, think you have a gas leak, have carbon monoxide symptoms or have some other gas emergency situation, go outside and call 911 and then our emergency number 1-800-634-3524.
Electric: For any electric emergency, including a downed power line, power outage or other electric-related situation, please call 1-800-464-7726.