EX-23.1 2 exhibit231-rsp2020.htm EX-23.1

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Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-248405 on Form S-8 of our report dated June 25, 2021, relating to the financial statements of the NiSource Inc. Retirement Savings Plan, appearing in this Annual Report on Form 11-K of the NiSource Inc. Retirement Savings Plan for the year ended December 31, 2020.

/s/ DELOITTE & TOUCHE LLP

Columbus, Ohio

June 25, 2021