EX-21 4 ni-ex21x20241231.htm EX-21

Exhibit 21

SUBSIDIARIES OF NISOURCE

as of December 31, 2024

Segment/Subsidiary GAS DISTRIBUTION OPERATIONS			State of Incorporation
Bay State Gas Company			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
Dunn's Bridge I Solar Generation LLC			Delaware
Dunns Bridge Solar Center, LLC			Delaware
Fairbanks Solar Generation LLC			Delaware
Gibson Solar Generation LLC			Delaware
Indiana Crossroads Solar Generation LLC			Delaware
Indiana Crossroads Wind Farm LLC			Delaware
Indiana Crossroads Wind Generation LLC			Delaware
Meadow Lake Solar Park LLC			Delaware
Northern Indiana Public Service Company LLC*			Indiana
RoseWater Wind Farm LLC			Delaware
RoseWater Wind Generation LLC			Delaware
CORPORATE AND OTHER OPERATIONS
Columbia Gas of Ohio Receivables Corporation			Delaware
Columbia Gas of Pennsylvania Receivables Corporation			Delaware
Lake Erie Land Company			Indiana
NIPSCO Accounts Receivable Corporation			Indiana
NIPSCO Generation LLC			Indiana
NIPSCO Holdings I LLC			Indiana
NIPSCO Holdings II LLC			Delaware
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

* Both Gas Distribution Operations and Electric Operations