Nisource (NI) Operating Margin (2009 - 2026)

Nisource (NI) has reported Operating Margin for 18 consecutive years, with 16.99% the latest figure, recorded in Q2 2026.

• For the quarter ending Q2 2026, Operating Margin fell 350.0% year-over-year to 16.99%; the trailing twelve-month figure through Jun 2026 stood at 16.01% (down 1103.0% YoY), and the FY2025 full-year result was 27.63%, up 95.0% from the prior year.
• Operating Margin eased to 16.99% in Q2 2026 per NI's latest filing, from 34.67% in the prior quarter.
• Across five years, Operating Margin topped out at 34.78% in Q1 2025 and bottomed at 7.76% in Q4 2025.
• Historically, Operating Margin has averaged 22.85% across 5 years, with a median of 22.26% in 2023.
• The sharpest annual moves came in 2023 and 2025: Operating Margin soared 830 bps in 2023, then sank 1849 bps in 2025.
• Over 5 years, Operating Margin stood at 21.44% in 2022, then rose by 19 bps to 25.5% in 2023, then increased by 3 bps to 26.25% in 2024, then tumbled by 70 bps to 7.76% in 2025, then soared by 119 bps to 16.99% in 2026.
• According to Business Quant data, Operating Margin over the past three periods registered 16.99%, 34.67%, and 7.76% for Q2 2026, Q1 2026, and Q4 2025 respectively.