EX-23.1 2 exhibit231-rsp2019.htm EXHIBIT 23.1

Exhibit

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-170706 and Registration Statement No. 333-228102 on Form S-8 of our report dated June 26, 2020, relating to the financial statements and financial statement schedule 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, 2019.

/s/ DELOITTE & TOUCHE LLP

Columbus, Ohio

June 26, 2020