NI Operating Margin - NISOURCE INC.

Complete source-backed operating margin history.

Available history: 2008-12-31 to 2026-06-30
Data captured: 2026-09-04

Historical Operating Margin

Date	Operating Margin
2026-06-30	17.69%
2026-03-31	35.28%
2025-12-31	27.32%
2025-09-30	23.99%
2025-06-30	21.09%
2025-03-31	35.33%
2024-12-31	27.07%
2024-09-30	20.87%
2024-06-30	22.48%
2024-03-31	35.51%
2023-12-31	26.24%
2023-09-30	23.24%
2023-06-30	15.83%
2023-03-31	28.00%
2022-12-31	21.71%
2022-09-30	14.81%
2022-06-30	12.39%
2022-03-31	32.62%
2021-12-31	21.01%
2021-09-30	16.01%
2021-06-30	14.93%
2021-03-31	28.76%
2020-12-31	18.91%
2020-09-30	10.77%
2020-06-30	9.83%
2020-03-31	9.71%
2019-12-31	-2.80%
2019-09-30	10.21%
2019-06-30	47.82%
2019-03-31	20.40%
2018-12-31	-5.46%
2018-09-30	-36.91%
2018-06-30	12.06%
2018-03-31	23.33%
2017-12-31	20.13%
2017-09-30	12.59%
2017-06-30	12.52%
2017-03-31	25.99%
2016-12-31	19.45%
2016-09-30	13.20%
2016-06-30	15.40%
2016-03-31	26.55%
2015-12-31	19.99%
2015-09-30	13.42%
2015-06-30	9.54%
2015-03-31	20.86%
2014-12-31	16.29%
2014-09-30	8.48%
2014-06-30	16.45%
2014-03-31	23.00%
2013-12-31	-17.91%
2013-09-30	16.38%
2013-06-30	16.15%
2013-03-31	24.07%
2012-12-31	22.00%
2012-09-30	13.75%
2012-06-30	19.73%
2012-03-31	24.12%
2011-12-31	15.96%
2011-09-30	13.79%
2011-06-30	13.47%
2011-03-31	18.21%
2010-12-31	13.26%
2010-09-30	10.83%
2010-06-30	11.89%
2010-03-31	17.10%
2009-12-31	14.69%
2009-09-30	9.60%
2009-06-30	8.80%

Annual Operating Margin

Date	Operating Margin
2025-12-31	28.14%
2024-12-31	27.55%
2023-12-31	24.22%
2022-12-31	22.06%
2021-12-31	21.28%
2020-12-31	12.31%
2019-12-31	17.63%
2018-12-31	2.50%
2017-12-31	19.47%
2016-12-31	19.72%
2015-12-31	17.20%
2014-12-31	14.97%
2013-12-31	15.09%
2012-12-31	20.67%
2011-12-31	15.90%
2010-12-31	14.00%
2009-12-31	12.03%
2008-12-31	10.35%