Segment/Subsidiary GAS DISTRIBUTION OPERATIONS | State of Incorporation | ||||
| Bay State Gas Company d/b/a Columbia Gas of Massachusetts | Massachusetts | ||||
| Columbia Gas of Kentucky, Inc. | Kentucky | ||||
| Columbia Gas of Maryland, Inc. | Delaware | ||||
| Columbia Gas of Ohio, Inc. | Ohio | ||||
| Columbia Gas of Pennsylvania, Inc. | Pennsylvania | ||||
| Columbia Gas of Virginia, Inc. | Virginia | ||||
| NiSource Gas Distribution Group, Inc. | Delaware | ||||
| ELECTRIC OPERATIONS | |||||
| Northern Indiana Public Service Company LLC* | Indiana | ||||
| RoseWater Wind Generation LLC | Indiana | ||||
| RoseWater Wind Farm LLC | Delaware | ||||
| Indiana Crossroads Wind Generation LLC | Indiana | ||||
| Indiana Crossroads Wind Farm LLC | Delaware | ||||
| Dunn's Bridge I Solar Generation LLC | Delaware | ||||
| Dunn's Bridge II Solar Generation LLC | Delaware | ||||
| Cavalry Solar Generation LLC | Delaware | ||||
| Elliot Solar Generation LLC | Delaware | ||||
| Fairbanks Solar Generation LLC | Delaware | ||||
| Indiana Crossroads Solar Generation LLC | Delaware | ||||
| Meadow Lake Solar Park LLC | Delaware | ||||
| Dunns Bridge Solar Center, LLC | Delaware | ||||
| Gibson Solar Generation LLC | Delaware | ||||
| CORPORATE AND OTHER OPERATIONS | |||||
| Columbia Gas of Ohio Receivables Corporation | Delaware | ||||
| Columbia Gas of Pennsylvania Receivables Corporation | Delaware | ||||
| NIPSCO Accounts Receivable Corporation | Indiana | ||||
| NiSource Corporate Group, LLC | Delaware | ||||
| NiSource Corporate Services Company | Delaware | ||||
| NiSource Development Company, Inc. | Indiana | ||||
| NiSource Energy Technologies, Inc. | Indiana | ||||
| NiSource Insurance Corporation, Inc. | Utah | ||||
| Lake Erie Land Company | Indiana | ||||
| EnergyUSA-TPC, Inc. | Indiana (Inactive) | ||||
| NIPSCO Holdings I LLC | Delaware | ||||
| NIPSCO Holdings II LLC | Delaware | ||||