Gas Utilities Directory — utility profile
Northern Indiana Public Service Company
Indiana · Investor-Owned · Major Regulated
Utility overview
- Utility name
- Northern Indiana Public Service Company
- Legal name
- Northern Indiana Public Service Company LLC
- Ownership type
- Investor-Owned
- Utility class
- Major Regulated
- Rate jurisdiction
- Indiana Utility Regulatory Commission
- State directory
- Indiana utilities
- Customer classes
- Commercial, Residential
Official website and contact
- Official website
- www.nipsco.com
- Customer service phone
- 1-800-464-7726
- Not published
Contact details are shown only where the utility publishes them.
Published state services
Indiana
Northern Indiana natural gas distribution (~32 counties).
Customer classes: Commercial, Residential
Last confirmed: August 26, 2026
State customer informationVerification sources
- NIPSCO — Rate 311 Residential Service
NIPSCO · Tariff — Rate 311 Residential Service; Rate 321 General Service – Small (accessed 2026-08-26)
- Rates & Tariffs / NIPSCO
NIPSCO · Official Utility Website — Company tariff index (accessed 2026-08-26)
- Indiana OUCC — NIPSCO Gas Rates
Indiana OUCC · State Regulator Inventory — NIPSCO gas territory; IURC-regulated (accessed 2026-08-26)