Nisource (NI) Interest Expenses (2009 - 2026)

Nisource (NI) has reported Interest Expenses for 18 consecutive years, with $191.6 million the latest figure, recorded in Q1 2026.

• Interest Expenses for Q1 2026 came in at $191.6 million, up 44.28% year-over-year; the trailing twelve-month figure through Mar 2026 was $697.8 million (up 30.75% YoY), and the FY2025 annual result was $639.0 million, up 23.55% from the prior year.
• Interest Expenses was $191.6 million for Q1 2026 at Nisource, up from $187.3 million in the prior quarter.
• Over five years, Interest Expenses peaked at $191.6 million in Q1 2026 and troughed at $83.7 million in Q1 2022.
• Average Interest Expenses over 5 years is $129.4 million, with a median of $129.3 million recorded in 2024.
• Year-over-year, Interest Expenses fell 2.84% in 2024 and surged 44.28% in 2026.
• Over 5 years, Interest Expenses stood at $101.8 million in 2022, then soared by 38.51% to $141.0 million in 2023, then decreased by 2.84% to $137.0 million in 2024, then jumped by 36.72% to $187.3 million in 2025, then grew by 2.3% to $191.6 million in 2026.
• Per Business Quant data, the three most recent Interest Expenses figures were $191.6 million in Q1 2026, $187.3 million in Q4 2025, and $179.8 million in Q3 2025.