Nipsco Customer Service
| Customer Service | 1-800-4NIPSCO, (1-800-464-7726) |
| Gas Emergencies | 1-800-634-3524 |
| Electric Outages or Emergencies | 1-800-464-7726 |
| Relay | 1-800-635-0952 |
Nipsco Mailing Address
For payments
NIPSCO
P.O. Box 13007
Merrillville, IN 46411
For customer service
NIPSCO
801 E. 86th Avenue
Merrillville, IN 46410
For legal notices
Corporation Service Company
135 North Pennsylvania Street, Suite 1610
Indianapolis, IN 46204
Services Scope
- Construction and Renovation
- Landlord Services
- Business Support
- Set a Service Appointment
- Electric Vehicles
- System Upgrades
- Gas Meter Inspection Program
- Locating Gas Lines
- Dusk to Dawn Lights
- LED Streetlights
- Request a Traffic Light
- Natural Gas Availability Form
- Calculate Your Savings
- Find a Contractor
- Your Energy, Your Future
- Green Power
- Net Metering
- Feed-in Tariff
- Excess Distributed Generation Tariff
- Renewable Natural Gas
- Green Path