Nisource (NI) Interest Expenses (2009 - 2026)

Nisource has reported Interest Expenses for 18 years, with the latest figure at $191.6 million in Q1 2026.

• For the quarter ending Q1 2026, Interest Expenses rose 44.28% year-over-year to $191.6 million; the trailing twelve-month figure through Mar 2026 stood at $697.8 million (up 30.75% YoY), and the FY2025 full-year result was $639.0 million, up 23.55% from the prior year.
• Interest Expenses for Q1 2026 stood at $191.6 million, up from $187.3 million in the prior quarter.
• The five-year high for Interest Expenses was $191.6 million in Q1 2026, with the low at $83.7 million in Q1 2022.
• Historically, Interest Expenses has averaged $129.4 million across 5 years, with a median of $129.3 million in 2024.
• Annual changes were most pronounced in 2024 — Interest Expenses dropped 2.84% — and 2026, when it soared 44.28%.
• Nisource's Interest Expenses stood at $101.8 million in 2022, then soared by 38.51% to $141.0 million in 2023, then declined by 2.84% to $137.0 million in 2024, then jumped by 36.72% to $187.3 million in 2025, then gained by 2.3% to $191.6 million in 2026.
• The last three Interest Expenses figures came in at $191.6 million (Q1 2026), $187.3 million (Q4 2025), and $179.8 million (Q3 2025), per Business Quant data.