Interest Expense

$780.80M

TTM · Period ending: Jun 30, 2026 · USD

NI Interest Expense

Latest reported$780.80Mperiod endingJun 30, 2026

NI TTM Interest Expense ($0.00 → $780.80M)

TTM interest expense

High-resolution chart · PNG

NI interest expense history

Trailing twelve months (TTM) · USD. Each value covers four complete reported quarters.

NiSource Interest Expense — Trailing twelve months (TTM) (USD)
Period ending	Interest Expense (USD)
Jun 30, 2026	780,800,000
Mar 31, 2026	720,700,000
Dec 31, 2025	661,900,000
Sep 30, 2025	588,700,000
Jun 30, 2025	543,500,000
Mar 31, 2025	533,700,000
Dec 31, 2024	517,200,000
Sep 30, 2024	521,200,000
Jun 30, 2024	515,800,000
Mar 31, 2024	497,000,000
Dec 31, 2023	489,600,000
Sep 30, 2023	461,000,000
Jun 30, 2023	423,400,000
Mar 31, 2023	397,400,000
Dec 31, 2022	372,200,000
Sep 30, 2022	347,400,000
Jun 30, 2022	340,200,000
Mar 31, 2022	340,200,000
Dec 31, 2021	341,100,000
Sep 30, 2021	339,100,000
Jun 30, 2021	349,900,000
Mar 31, 2021	362,400,000
Dec 31, 2020	370,700,000
Sep 30, 2020	378,400,000
Jun 30, 2020	379,100,000
Mar 31, 2020	376,200,000
Dec 31, 2019	378,900,000
Sep 30, 2019	373,700,000
Jun 30, 2019	361,200,000
Mar 31, 2019	355,800,000
Dec 31, 2018	353,300,000
Sep 30, 2018	367,900,000
Jun 30, 2018	372,400,000
Mar 31, 2018	371,400,000
Dec 31, 2017	363,500,000
Sep 30, 2017	355,200,000
Jun 30, 2017	352,300,000
Mar 31, 2017	350,600,000
Dec 31, 2016	355,900,000
Sep 30, 2016	355,800,000
Jun 30, 2016	365,700,000
Mar 31, 2016	396,800,000
Dec 31, 2015	417,300,000
Sep 30, 2015	413,700,000
Jun 30, 2015	428,400,000
Mar 31, 2015	420,400,000
Dec 31, 2014	418,500,000
Sep 30, 2014	444,800,000
Jun 30, 2014	438,900,000
Mar 31, 2014	431,800,000
Dec 31, 2013	421,300,000
Sep 30, 2013	408,200,000
Jun 30, 2013	412,400,000
Mar 31, 2013	413,600,000
Dec 31, 2012	418,300,000
Sep 30, 2012	406,900,000
Jun 30, 2012	394,700,000
Mar 31, 2012	385,900,000
Dec 31, 2011	372,400,000
Sep 30, 2011	377,700,000
Jun 30, 2011	379,600,000
Mar 31, 2011	383,600,000
Dec 31, 2010	392,500,000
Sep 30, 2010	393,300,000
Jun 30, 2010	400,500,000
Mar 31, 2010	407,400,000
Dec 31, 2009	399,200,000
Sep 30, 2009	300,600,000
Jun 30, 2009	296,000,000
Mar 31, 2009	278,100,000
Dec 31, 2008	279,400,000
Sep 30, 2008	279,400,000
Jun 30, 2008	179,200,000
Mar 31, 2008	189,900,000
Dec 31, 2007	98,100,000
Sep 30, 2007	200,600,000
Jun 30, 2007	200,600,000
Mar 31, 2007	102,500,000
Dec 31, 2006	102,500,000
Sep 30, 2006	112,400,000
Jun 30, 2006	112,400,000
Mar 31, 2006	214,100,000
Dec 31, 2005	214,100,000
Sep 30, 2005	101,700,000
Jun 30, 2005	101,700,000
Mar 31, 2005	0
Dec 31, 2004	102,700,000
Sep 30, 2004	220,400,000
Jun 30, 2004	334,000,000
Mar 31, 2004	334,000,000
Dec 31, 2003	231,300,000
Sep 30, 2003	113,600,000
Jun 30, 2003	0
Mar 31, 2003	123,700,000
Dec 31, 2002	123,700,000
Sep 30, 2002	123,700,000
Jun 30, 2002	123,700,000
Mar 31, 2002	0
Dec 31, 2001	0
Sep 30, 2001	158,196,000