Nisource (NI) Operating Expenses (2009 - 2026)

Nisource (NI) has reported Operating Expenses for 18 consecutive years, with $1.1 billion the latest figure, recorded in Q2 2026.

• For the quarter ending Q2 2026, Operating Expenses rose 9.23% year-over-year to $1.1 billion; the trailing twelve-month figure through Jun 2026 stood at $5.0 billion (up 12.26% YoY), and the FY2025 full-year result was $4.8 billion, up 20.18% from the prior year.
• Operating Expenses eased to $1.1 billion in Q2 2026 per NI's latest filing, from $1.5 billion in the prior quarter.
• Across five years, Operating Expenses topped out at $1.5 billion in Q1 2026 and bottomed at $794.4 million in Q3 2023.
• Historically, Operating Expenses has averaged $1.1 billion across 5 years, with a median of $1.1 billion in 2023.
• The sharpest annual moves came in 2024 and 2025: Operating Expenses fell 21.75% in 2024, then increased 26.8% in 2025.
• Over 5 years, Operating Expenses stood at $1.3 billion in 2022, then decreased by 20.89% to $1.1 billion in 2023, then rose by 10.53% to $1.2 billion in 2024, then rose by 18.48% to $1.4 billion in 2025, then declined by 19.68% to $1.1 billion in 2026.
• According to Business Quant data, Operating Expenses over the past three periods registered $1.1 billion, $1.5 billion, and $1.4 billion for Q2 2026, Q1 2026, and Q4 2025 respectively.