Skip to main content Skip to navigation

Columbia Gas Logo
  • Our Company
  • Partner with Us
  • Emergency Contact Emergency Contact
  • My Account
    • Sign In/Register
      Program Enrollments
      • AutoPay
      • Paperless Billing
      • Budget Plan
      Account Dashboard
      Alerts & Notifications
      • Outage Alerts
      • Billing Alerts
      • Email Subscriptions
      View Accounts
      Manage Account
      • Contact Info
      • Wallet & Payment Methods
      • Add New Account
      • Remove Account
      • Account Security
      Bills & Payments
      • Pay My Bill
      • Pay with Credit Card
      • View Bill & Payment History
      • My Usage
      • Understanding your Bill
  • Services
    • Start, Stop or Move Service
      • Builders and Developers
      • Residential Construction
      • Commercial Construction
      • Landlord Services
      • Set a Service Appointment
      Renewable Energy
      • Your Energy, Your Future
      • Green Power
      • Net Metering
      • Feed-in Tariff
      • Excess Distributed Generation Tariff
      • Renewable Natural Gas
      • Green Path
      Home Protection Plans
      • Homeowner Protection Plans
      • Renter Protection Plans
      Electric Vehicles
      • Electric Vehicle Charging
      Work in Your Neighborhood
      • Electric and Gas Projects​
      • Gas Meter Inspection Program
      • Locating Gas Lines
      • Advanced Metering - AMI
      • Property Restoration
      Outdoor Lighting
      • Dusk to Dawn Lights
      • LED Streetlights
      • Request a Traffic Light
      Convert to Natural Gas
      • Natural Gas Availability Form
      • Calculate Your Savings
      • Find a Contractor
  • Outages
    • Power Outages
      • Storm Center
      • Report a Power Outage
      • Report a Street Light Outage
      • Prepare for an Outage
      • How We Restore Power
      • Service Line Damage
      • Generator Safety
      Report an Outage
      Gas Outages
  • Safety
    • Natural Gas Safety
      • How to Recognize a Gas Leak
      • Contact 811 Before You Dig
      • Gas Line Responsibilities
      • Encroachment Awareness
      • Automatic Shut-Off Devices
      • Sewer Line Safety
      • Pipeline Integrity Management Plan
      • Advanced Leak Detection
      Know Your Home
      • Exterior
      • Basement
      • Kitchen
      • Laundry
      • Living Room
      • Bathroom
      • Bedroom
      • Garage
      • Office
      Home Safety
      • Appliance Safety
      • Carbon Monoxide
      • Proper Venting
      • Impostors and Scams
      • Find a Contractor
      • Safety Products
      • Digger’s Dog House
      Excavators
      Weather Safety
      • Flooding Safety
      • Winter Weather Safety
      Electrical Safety
      • Fallen Power Lines
      • Trees and Your Power
      • Generator Safety
      • Ladder Safety
  • Bills & Payments
    • Pay My Bill
      Understanding Your Bill
      Payment Options
      • Find a Payment Location
      Report a Payment
      Billing Programs
      • DependaBill
      • Price Protection Service
      • CHOICE®
      • Budget Plan
      • Paperless Billing 
      • AutoPay
      Financial Support
      • Income-Eligible Assistance Programs
      • Payment Plans
      • Shut Off and Reconnect Process
      • Give the Gift of Energy
  • Ways to Save
    • For Your Home
      • Home Online Marketplace
      • Rebates
      • Home Energy Tips
      • Appliance Recycling
      • Retail Products
      • Home Energy Assessment
      • HomeLife Energy Efficiency Calculator
      • Income Qualified Weatherization
      • Energy Efficiency Education
      • Multi-Family Direct Install
      • Air Conditioner (AC) Cycling
      • Manufactured New Home Program
      • Heating Cost Calcuator
      • Residential Midstream Channel
      For Your Business
      • Business Online Marketplace
      • Business Energy Tips
      • Prescriptive Incentive Program
      • Custom Incentive Program
      • Retro-Commissioning Incentives
      • Small Business Direct Install Program
      • New Construction Incentives
      Income Eligible Assistance Programs
      • Energy Assistance Resource Center
      • Eligibility Calculator
  • Help
    • Self Service
      • Web
      • Mobile
      • Chat
      • Phone
      Forms
      • Document Upload Form
      • Feedback Form
      Quick Links
      • Gas Outages
      • Power Outages
      • Report a Power Outage
      • Imposters and Scams
      Help Center
      • Understanding Your Bill
      • Frequently Asked Questions
      • Contact Us
{[{ initials }]}
{[{ notificationCount }]}
My Account {[{ displayName }]} Sign Out
Sign In / Register

Email

{[{ displayName }]} Sign Out

Access My Account
Manage Your Account
Forgot email?
Forgot password?
Don't have an online account?
Register an account or Pay without signing in
Logo
menu close

Emergency Information

1-800-634-3524

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 thenour emergency number 1-800-634-3524.

Electric: For any electric emergency including a power outage or other electric-related situation, please call  1-800-464-7726. If you see a downed power line, stay away and immediately call 911 and then our emergency number.


Emergency Contact
{[{ initials }]}
{[{ notificationCount }]}
My Account {[{ displayName }]} Sign Out
Welcome
Manage Your Account
Sign In / Register
  • My Account
    • Sign In/Register
    • Account Dashboard
    • View Accounts
    • Bills & Payments
      • Pay My Bill
      • Pay with Credit Card
      • View Bill & Payment History
      • My Usage
      • Understanding your Bill
    • Program Enrollments
      • AutoPay
      • Paperless Billing
      • Budget Plan
    • Alerts & Notifications
      • Outage Alerts
      • Billing Alerts
      • Email Subscriptions
    • Manage Account
      • Contact Info
      • Wallet & Payment Methods
      • Add New Account
      • Remove Account
      • Account Security
  • Services
    • Start, Stop or Move Service
      • Builders and Developers
      • Residential Construction
        • Service Application
        • Buried Hazards Form
      • Commercial Construction
        • Service Application
        • Buried Hazards Form
      • Landlord Services
      • Set a Service Appointment
    • Home Protection Plans
      • Homeowner Protection Plans
      • Renter Protection Plans
    • Work in Your Neighborhood
      • Electric and Gas Projects​
      • Gas Meter Inspection Program
      • Locating Gas Lines
      • Advanced Metering - AMI
        • Electric AMI
        • Gas AMI
      • Property Restoration
    • Convert to Natural Gas
      • Natural Gas Availability Form
      • Calculate Your Savings
      • Find a Contractor
    • Renewable Energy
      • Your Energy, Your Future
      • Green Power
        • Enroll in Green Power
      • Net Metering
      • Feed-in Tariff
      • Excess Distributed Generation Tariff
      • Renewable Natural Gas
        • RNG Producers
          • Renewable Natural Gas Application
      • Green Path
    • Electric Vehicles
      • Electric Vehicle Charging
    • Outdoor Lighting
      • Dusk to Dawn Lights
        • Enroll in Dusk to Dawn
      • LED Streetlights
        • Streetlight Request Form
      • Request a Traffic Light
  • Outages
    • Power Outages
      • Storm Center
      • Report a Power Outage
      • Report a Street Light Outage
      • Prepare for an Outage
      • How We Restore Power
      • Service Line Damage
      • Generator Safety
    • Report an Outage
    • Gas Outages
  • Safety
    • Natural Gas Safety
      • How to Recognize a Gas Leak
      • Contact 811 Before You Dig
      • Gas Line Responsibilities
      • Encroachment Awareness
      • Automatic Shut-Off Devices
      • Sewer Line Safety
      • Pipeline Integrity Management Plan
      • Advanced Leak Detection
    • Home Safety
      • Appliance Safety
        • Safe Appliance Installation
        • Care for Your Appliances
      • Carbon Monoxide
      • Proper Venting
      • Impostors and Scams
      • Find a Contractor
      • Safety Products
      • Digger’s Dog House
    • Weather Safety
      • Flooding Safety
      • Winter Weather Safety
    • Electrical Safety
      • Fallen Power Lines
      • Trees and Your Power
      • Generator Safety
      • Ladder Safety
    • Know Your Home
      • Exterior
      • Basement
      • Kitchen
      • Laundry
      • Living Room
      • Bathroom
      • Bedroom
      • Garage
      • Office
    • Excavators
  • Bills & Payments
    • Pay My Bill
    • Payment Options
      • Find a Payment Location
    • Billing Programs
      • DependaBill
      • Price Protection Service
      • CHOICE®
      • Budget Plan
      • Paperless Billing 
      • AutoPay
    • Financial Support
      • Income-Eligible Assistance Programs
        • Energy Assistance Resource Center
        • Eligibility Calculator
        • SERV for Veterans
        • SILVER for Seniors
      • Payment Plans
      • Shut Off and Reconnect Process
      • Give the Gift of Energy
    • Understanding Your Bill
    • Report a Payment
  • Ways to Save
    • For Your Home
      • Home Online Marketplace
      • Rebates
      • Home Energy Tips
      • Appliance Recycling
      • Retail Products
      • Home Energy Assessment
      • HomeLife Energy Efficiency Calculator
      • Income Qualified Weatherization
      • Energy Efficiency Education
      • Multi-Family Direct Install
      • Air Conditioner (AC) Cycling
      • Residential New Construction Program
      • Manufactured New Home Program
      • Heating Cost Calcuator
      • Residential Midstream Channel
    • For Your Business
      • Business Online Marketplace
      • Business Energy Tips
      • Prescriptive Incentive Program
      • Custom Incentive Program
      • Retro-Commissioning Incentives
      • Small Business Direct Install Program
      • New Construction Incentives
    • Income Eligible Assistance Programs
      • Energy Assistance Resource Center
      • Eligibility Calculator
  • Help
    • Self Service
      • Web
      • Mobile
      • Chat
      • Phone
    • Forms
      • Document Upload Form
      • Feedback Form
    • Quick Links
      • Gas Outages
      • Power Outages
      • Report a Power Outage
      • Imposters and Scams
    • Help Center
      • Understanding Your Bill
      • Frequently Asked Questions
      • Contact Us
  • Our Company
  • Partner with Us
Gas Rates

See our latest rates and tariff

Gas Service Tariffs - Entire Book

Effective as of 08/20/2024

 

Rate/Rider Designation Tariff for Gas Service - Class of Service Sheet Number

Cover Page1

Table of Contents2

Index of Cities, Towns and Unincorporated Communities Furnished Gas Service3-8
 General Rules and Regulations Applicable to Gas Service 9-59   
Rate 311 Residential Service60
Rate 315 Multiple Family Housing Service

61

Rate 321 General Service – Small62
Rate 325 General Service – Large 63-64
Rate 328 Large Transportation and Balancing Service 65-77
Rate 330 Large Volume Negotiated Sales Service 78-80
Rate 334A Off-Peak Non-Residential Interruptible Negotiated Service81-84
Rate 338 General Transportation and Balancing Service85-95
Rate 340 Liquefied Natural Gas Service96-97
Rate 345Supplier Aggregation Service98-106
Rate 351Fixed Gas Bill (DependaBill) Service107-109
Rate 352Renewable Gas Balancing Service110-114
Rider 331Critical Undertake Day or Critical Overtake Day Penalty Rider115-118
Rider 342A Optional Storage Service Rider 119-121
Rider 347 Gas Parking Service Rider122-124
Rider 348 Gas Lending Service Rider125-127
Rider 350 Nomination Exchange Service for Suppliers and Marketers128
Rider 370 Gas Cost Adjustment (GCA) Rider129
Rider 372 Gas Demand Side Management (“GDSM”) Rider 130
Rider 373 Universal Service Program Rider 131
Rider 380 Supplier Choice Delivery Service Rider 132-135
Rider 381 Price Protection Service Rider 136-139
Rider 388 Adjustment of Charges for Transmission, Distribution and Storage System140
Rider 389Pipeline Burner Tip Balancing Rider141-145
Rider 390Federally Mandated Cost Adjustment Rider146
Rider 391Green Path Rider147
Rider 392Weather Normalization Adjustment Rider148
Appendix A Applicable Riders 149
Appendix B Gas Cost Adjustment Factor 150
Appendix C GDSM Factors151
Appendix D Universal Service Program Factor152
Appendix E Unaccounted for Gas Percentage 153
Appendix F Transmission, Distribution and Storage System Improvement Charges Adjustment Factor154
Appendix GFMCA Factors155
Appendix HWeather Normalization Adjustment Factors156

 

Historical Documents

Downloads

pdf
Historical GTDSIC Factors
116.6 KB
pdf
Historical GFMCA Factors
112.7 KB
pdf
Historical GDSM Factors
120 KB
pdf
Historical Commodity Cost of Gas
58.7 KB
pdf
Historical Summary of Charges
824.1 KB
pdf
Historical GCA Adjustment
102.5 KB
pdf
Historical Commodity Cost of Gas History (2003-2016)
25.9 KB

Disclaimer

The Internet version of Northern Indiana Public Service Company's Electric Tariffs and Gas Tariffs is not the official version. The Company has made a good faith effort to assure the accuracy and timeliness of tariff changes and language posted here, however, there may be instances where the Internet version differs from the official copy. The Company, its Directors, Officers, employees, agents or affiliates do not guarantee the accuracy, completeness or timeliness of the Internet version of its tariffs. The Company expressly disclaims any and all liability for inaccuracies, errors, omission or lack of timeliness with respect to the Internet version of its tariffs, and for any damages of any nature (including direct, indirect, consequential or incidental) arising from the use of the Internet version of its tariffs. The official copies are on file with the Company and the Indiana Utility Regulatory Commission ("IURC"), and copies are available through the IURC, 101 W. Washington Street, Suite 1500E, Indianapolis, IN 46204; telephone 1-800-851-4268.

Our Company
  • About Us
    • Giving Back
      • Environmental Action Grant
      • Bridging Our Energy
      • Safety Grant
      • NiSource Charitable Foundation
    • Our Leadership
      • Vince Parisi
      • Orville Cocking
      • Karima Hasan Bey
      • Vince Ransom
      • Brian McCaul
      • Erin Whitehead
      • Rick Calinski
    • Regulatory Information
      • Electric Rates
        • 2019 to 2023
        • 2016 to 2019
        • 2011 to 2016
        • 1987 to 2011
        • 2025 Electric Base Rates
      • Gas Rates
        • 2022 to 2024
        • 2019 to 2022
        • 2012 to 2018
        • 2010 to 2011
        • 1988 to 2010
        • 2024 Gas Base Rates Review
      • Legal Notices
      • Energy Efficiency Filings
      • IRP
      • FERC Postings
    • Hydro Power
    • Our Environment
      • CCR Rule Compliance Data and Information (2015 Rule)
        • R.M. Schahfer Generating Station
        • Bailly Generating Station
        • Michigan City Generating Station
      • MCGS Coal Ash Pond Cleanup
      • ELG Rule Compliance Data and Information
      • CCR Rule Compliance Data and Information (Legacy)
  • News Room
    • Media Contacts
  • Our Company
  • About Us
  • Your Energy, Your Future
  • Giving Back
  • Rates and Tariffs
  • Our Environment
  • News Room
  • Careers
  • Partner with Us
  • Builders and Developers
  • Contractors and Plumbers
  • Suppliers and Vendors
  • Economic Development
  • Emergency Responders
  • Excavators
  • Quick Links
  • Sign In
  • Outages
  • Ways to Pay
  • Get Help Paying
  • Mobile App
  • Document Upload Form
  • Need Help?
  • FAQs
  • Contact Us
  • Call 1-800-464-7726
  • Connect with Us
facebook logo
xlogo
linkedin logo
© 2025 NIPSCO LLC.    Terms of Use    Privacy Notice    Accessibility Statement   

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 thenour emergency number 1-800-634-3524.

Electric: For any electric emergency including a power outage or other electric-related situation, please call  1-800-464-7726. If you see a downed power line, stay away and immediately call 911 and then our emergency number.