Nisource (NI) Operating Expenses (2009 - 2026)

Nisource (NI) has reported Operating Expenses for 18 consecutive years, with $1.5 billion the latest figure, recorded in Q1 2026.

• Operating Expenses for Q1 2026 came in at $1.5 billion, up 8.44% year-over-year; the trailing twelve-month figure through Mar 2026 was $4.9 billion (up 14.57% YoY), and the FY2025 annual result was $4.8 billion, up 20.18% from the prior year.
• Operating Expenses was $1.5 billion for Q1 2026 at Nisource, up from $1.4 billion in the prior quarter.
• Over five years, Operating Expenses peaked at $1.5 billion in Q1 2026 and troughed at $794.4 million in Q3 2023.
• Average Operating Expenses over 5 years is $1.1 billion, with a median of $1.1 billion recorded in 2023.
• Year-over-year, Operating Expenses retreated 21.75% in 2024 and rose 26.8% in 2025.
• Over 5 years, Operating Expenses stood at $1.3 billion in 2022, then slipped by 20.89% to $1.1 billion in 2023, then gained by 10.53% to $1.2 billion in 2024, then gained by 18.48% to $1.4 billion in 2025, then increased by 11.28% to $1.5 billion in 2026.
• Per Business Quant data, the three most recent Operating Expenses figures were $1.5 billion in Q1 2026, $1.4 billion in Q4 2025, and $975.6 million in Q3 2025.