What is the current annual net margin of NI?

As of today, NI annual net margin is 15.21%

What is 1-year change in NI annual net margin?

NI annual net margin is down -1.62% year-over-year

What is 3-year change in NI annual net margin?

NI annual net margin is up +12.42% over the past 3 years

How far is NI annual net margin from its all-time high?

NI annual net margin is currently -1.62% below its historical high of 15.46% set on December 31, 2024

How does NI annual net margin rank versus sector peers?

NI annual net margin is higher than 68.63% of companies in Utilities sector

When is NI next annual earnings release?

As of today, the next annual earnings release for NI has not been scheduled

What is the current quarterly net margin of NI?

As of today, NI quarterly net margin is 14.57%

What is NI quarterly net margin most recent change?

NI quarterly net margin was up +73.87% on December 31, 2025

What is 1-year change in NI quarterly net margin?

NI quarterly net margin is down -5.02% year-over-year

How far is NI quarterly net margin from its all-time high?

NI quarterly net margin is currently -50.41% below its historical high of 29.38% set on June 30, 2019

How does NI quarterly net margin rank versus sector peers?

NI quarterly net margin is higher than 64.00% of companies in Utilities sector

When is NI next earnings release?

The next earnings release for NI is on May 6, 2026

NiSource Inc. (NI) Net Margin History & Chart Since 1980

Annual Net Margin

15.21%0.25%-1.62%

December 31, 2025

Summary

Current Value: As of today, NI annual net margin is 15.21%, down -1.62% on December 31, 2025
Historical Performance: NI annual net margin is up +12.42% over the past 3 years, up +5170.00% over the past 5 years
All-Time High Comparison: NI annual net margin is currently -1.62% below its historical high of 15.46% set on December 31, 2024
3-Year Low Comparison: NI annual net margin is +24.26% above its 3-year low of 12.24% reached on December 31, 2023
Sector Comparison: NI annual net margin is higher than 68.63% of companies in Utilities sector

Net Margin Chart

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Performance

NI Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Net Margin	Dec 31, 25	15.21%	-1.6%	+12.4%	+5170.0%	+228.5%
Quarterly Net Margin	Dec 31, 25	14.57%	-5.0%	+3.0%	+101.0%	+628.5%
Price	Feb 20, 26	$46.37	+16.0%	+70.8%	+103.0%	+517.9%
PE Ratio	Feb 20, 26	23.74	-3.9%	+47.9%	–	+231.6%
Annual Revenue	Dec 31, 25	$6.64B	+21.8%	+13.5%	+41.9%	+4.4%
Annual Net Income	Dec 31, 25	$1.01B	+19.8%	+27.6%	+7212.7%	+242.8%
Annual Gross Margin	Dec 31, 25	58.57%	-2.6%	+17.4%	-3.7%	+29.1%
Annual Operating Margin	Dec 31, 25	27.64%	+2.9%	+39.2%	+34.6%	+86.3%

Net Margin Highs

NI Annual Net Margin Highs Comparison
Period	High	Date	Current
3Y	15.46%	Dec 31, 24	-1.6%
5Y	15.46%	Dec 31, 24	-1.6%
All	15.46%	Dec 31, 24	-1.6%

Net Margin Lows

NI Annual Net Margin Lows Comparison
Period	Low	Date	Current
3Y	12.24%	Dec 31, 23	+24.3%
5Y	-0.30%	N/A	+5170.0%
All	-0.99%	Dec 31, 18	+1636.4%

Net Margin History

Year	Value	Change
2025	15.21%	-1.6%
2024	15.46%	+26.3%
2023	12.24%	-9.5%
2022	13.53%	+12.6%
2021	12.02%	+4,106.7%
2020	-0.30%	-104.1%
2019	7.35%	+842.4%
2018	-0.99%	-137.5%
2017	2.64%	-63.8%
2016	7.30%	+71.0%
2015	4.27%	-47.9%
2014	8.20%	-5.5%
2013	8.68%	+6.4%
2012	8.16%	+60.0%
2011	5.10%	+10.2%
2010	4.63%	+30.8%
2009	3.54%	-15.1%
2008	4.17%	+6.1%
2007	3.93%	-6.4%
2006	4.20%	+15.1%
2005	3.65%	-43.6%
2004	6.47%	-6.0%
2003	6.88%	+0.1%

Year	Value	Change
2002	6.87%	+170.5%
2001	2.54%	-12.7%
2000	2.91%	-50.9%
1999	5.93%	-14.1%
1998	6.90%	-10.5%
1997	7.71%	-24.3%
1996	10.18%	-4.9%
1995	10.71%	+3.3%
1994	10.37%	+4.5%
1993	9.92%	+6.6%
1992	9.31%	-1.5%
1991	9.45%	+4.2%
1990	9.07%	+3.1%
1989	8.80%	+9.2%
1988	8.06%	+79.9%
1987	4.48%	+614.9%
1986	-0.87%	-115.5%
1985	5.61%	-20.1%
1984	7.02%	-0.4%
1983	7.05%	+77.1%
1982	3.98%	-22.7%
1981	5.15%	-2.6%
1980	5.29%	-

FAQ

What is the current annual net margin of NI?
As of today, NI annual net margin is 15.21%
What is 1-year change in NI annual net margin?
NI annual net margin is down -1.62% year-over-year
What is 3-year change in NI annual net margin?
NI annual net margin is up +12.42% over the past 3 years
How far is NI annual net margin from its all-time high?
NI annual net margin is currently -1.62% below its historical high of 15.46% set on December 31, 2024
How does NI annual net margin rank versus sector peers?
NI annual net margin is higher than 68.63% of companies in Utilities sector
When is NI next annual earnings release?
As of today, the next annual earnings release for NI has not been scheduled

Quarterly Net Margin

14.57%6.19%+73.87%

December 31, 2025

Summary

Current Value: As of today, NI quarterly net margin is 14.57%, up +73.87% on December 31, 2025
Historical Performance: NI quarterly net margin is down -5.02% year-over-year, up +2.97% over the past 3 years
All-Time High Comparison: NI quarterly net margin is currently -50.41% below its historical high of 29.38% set on June 30, 2019
3-Year Low Comparison: NI quarterly net margin is +242.82% above its 3-year low of 4.25% reached on June 30, 2023
Sector Comparison: NI quarterly net margin is higher than 64.00% of companies in Utilities sector

Performance

NI Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Net Margin	Dec 31, 25	14.57%	+73.9%	-5.0%	+3.0%	+101.0%
Annual Net Margin	Dec 31, 25	15.21%	–	-1.6%	+12.4%	+5170.0%
Price	Feb 20, 26	$46.37	+9.4%	+16.0%	+70.8%	+103.0%
PE Ratio	Feb 20, 26	23.74	+6.0%	-3.9%	+47.9%	–
Quarterly Revenue	Dec 31, 25	$1.90B	+49.5%	+19.9%	+11.6%	+57.1%
Quarterly Net Income	Dec 31, 25	$277.20M	+159.8%	+13.8%	+14.9%	+215.7%
Quarterly Gross Margin	Dec 31, 25	58.12%	-4.2%	-1.1%	+24.0%	-1.2%
Quarterly Operating Margin	Dec 31, 25	27.07%	+16.1%	+1.9%	+25.9%	+43.2%

Quarterly Net Margin Highs

NI Quarterly Net Margin Highs Comparison
Period	High	Date	Current
1Y	24.09%	Mar 31, 25	-39.5%
3Y	24.09%	Mar 31, 25	-39.5%
5Y	24.09%	Mar 31, 25	-39.5%
All	29.38%	Jun 30, 19	-50.4%

Quarterly Net Margin Lows

NI Quarterly Net Margin Lows Comparison
Period	Low	Date	Current
1Y	7.81%	Jun 30, 25	+86.6%
3Y	4.25%	Jun 30, 23	+242.8%
5Y	4.25%	Jun 30, 23	+242.8%
All	-37.93%	Sep 30, 18	+138.4%

Quarterly Net Margin History

Month	Value	Change
Dec 2025	14.57%	+73.9%
Sep 2025	8.38%	+7.3%
Jun 2025	7.81%	-67.6%
Mar 2025	24.09%	+57.0%
Dec 2024	15.34%	+70.6%
Sep 2024	8.99%	-5.1%
Jun 2024	9.47%	-59.6%
Mar 2024	23.44%	+74.0%
Dec 2023	13.47%	+40.8%
Sep 2023	9.57%	+125.2%
Jun 2023	4.25%	-75.3%
Mar 2023	17.18%	+21.4%
Dec 2022	14.15%	+142.7%
Sep 2022	5.83%	+23.5%
Jun 2022	4.72%	-79.5%
Mar 2022	23.02%	+87.2%
Dec 2021	12.30%	+89.8%
Sep 2021	6.48%	+12.3%
Jun 2021	5.77%	-69.9%
Mar 2021	19.18%	+164.6%
Dec 2020	7.25%	+137.8%
Sep 2020	-19.16%	-3,810.2%
Jun 2020	-0.49%	-110.4%
Mar 2020	4.71%	+147.2%
Dec 2019	-9.97%	-1,504.2%
Sep 2019	0.71%	-97.6%
Jun 2019	29.38%	+150.9%
Mar 2019	11.71%	+1,563.8%
Dec 2018	-0.80%	+97.9%
Sep 2018	-37.93%	-1,660.9%
Jun 2018	2.43%	-84.6%
Mar 2018	15.77%	+511.7%
Dec 2017	-3.83%	-350.3%
Sep 2017	1.53%	+134.2%
Jun 2017	-4.47%	-133.8%
Mar 2017	13.22%	+93.0%
Dec 2016	6.85%	+149.1%
Sep 2016	2.75%	-14.9%
Jun 2016	3.23%	-75.1%
Mar 2016	12.99%	+121.3%
Dec 2015	5.87%	+224.3%
Sep 2015	1.81%	+177.4%
Jun 2015	-2.34%	-118.3%
Mar 2015	12.81%	+40.5%
Dec 2014	9.12%	+225.7%
Sep 2014	2.80%	-52.4%
Jun 2014	5.88%	-48.8%
Mar 2014	11.48%	+19.8%
Dec 2013	9.58%	+108.3%
Sep 2013	4.60%	-23.3%
Jun 2013	6.00%	-50.4%
Mar 2013	12.09%	+27.7%
Dec 2012	9.47%	+357.5%
Sep 2012	2.07%	-69.4%
Jun 2012	6.77%	-41.9%
Mar 2012	11.66%	+855.7%
Dec 2011	1.22%	-64.6%
Sep 2011	3.45%	+6.5%
Jun 2011	3.24%	-64.5%
Mar 2011	9.13%	+356.5%
Dec 2010	2.00%	-34.4%
Sep 2010	3.05%	+27.6%
Jun 2010	2.39%	-72.1%
Mar 2010	8.57%	+106.5%
Dec 2009	4.15%	+477.3%
Sep 2009	-1.10%	-27.9%
Jun 2009	-0.86%	-115.0%
Mar 2009	5.73%	+7.7%
Dec 2008	5.32%	+130.3%
Sep 2008	2.31%	+97.4%
Jun 2008	1.17%	-79.7%
Mar 2008	5.76%	+97.9%
Dec 2007	2.91%	+268.4%
Sep 2007	0.79%	-55.9%
Jun 2007	1.79%	-75.2%
Mar 2007	7.23%	+58.9%
Dec 2006	4.55%	+103.1%
Sep 2006	2.24%	+36.6%
Jun 2006	1.64%	-71.8%
Mar 2006	5.81%	+112.8%
Dec 2005	2.73%	+765.9%
Sep 2005	-0.41%	-167.2%
Jun 2005	0.61%	-92.2%
Mar 2005	7.78%	-2.0%

Month	Value	Change
Dec 2004	7.94%	+240.8%
Sep 2004	2.33%	-18.2%
Jun 2004	2.85%	-67.7%
Mar 2004	8.81%	+4.6%
Dec 2003	8.42%	+221.4%
Sep 2003	2.62%	-23.8%
Jun 2003	3.44%	-67.0%
Mar 2003	10.42%	+36.4%
Dec 2002	7.64%	+170.0%
Sep 2002	2.83%	+40.8%
Jun 2002	2.01%	-82.2%
Mar 2002	11.27%	+216.6%
Dec 2001	3.56%	+487.0%
Sep 2001	-0.92%	-2,400.0%
Jun 2001	0.04%	-99.2%
Mar 2001	4.98%	+3,457.1%
Dec 2000	0.14%	-97.4%
Sep 2000	5.37%	+62.7%
Jun 2000	3.30%	-59.4%
Mar 2000	8.12%	+83.3%
Dec 1999	4.43%	-14.0%
Sep 1999	5.15%	+15.2%
Jun 1999	4.47%	-51.0%
Mar 1999	9.13%	+9.6%
Dec 1998	8.33%	+37.7%
Sep 1998	6.05%	+25.0%
Jun 1998	4.84%	-40.0%
Mar 1998	8.07%	+16.5%
Dec 1997	6.93%	+15.1%
Sep 1997	6.02%	+11.7%
Jun 1997	5.39%	-49.8%
Mar 1997	10.73%	+21.1%
Dec 1996	8.86%	+1.4%
Sep 1996	8.74%	+48.9%
Jun 1996	5.87%	-49.9%
Mar 1996	11.72%	+16.5%
Dec 1995	10.06%	+2.3%
Sep 1995	9.83%	+31.8%
Jun 1995	7.46%	-35.4%
Mar 1995	11.54%	+0.9%
Dec 1994	11.44%	+34.3%
Sep 1994	8.52%	+37.9%
Jun 1994	6.18%	-46.2%
Mar 1994	11.49%	+10.0%
Dec 1993	10.45%	+31.1%
Sep 1993	7.97%	+28.1%
Jun 1993	6.22%	-44.6%
Mar 1993	11.23%	+6.0%
Dec 1992	10.59%	+61.2%
Sep 1992	6.57%	+16.3%
Jun 1992	5.65%	-44.4%
Mar 1992	10.17%	+4.6%
Dec 1991	9.72%	+24.3%
Sep 1991	7.82%	+23.3%
Jun 1991	6.34%	-36.4%
Mar 1991	9.97%	+37.5%
Dec 1990	7.25%	-17.4%
Sep 1990	8.78%	+35.7%
Jun 1990	6.47%	-35.8%
Mar 1990	10.08%	+11.4%
Dec 1989	9.05%	+23.6%
Sep 1989	7.32%	+10.9%
Jun 1989	6.60%	-36.2%
Mar 1989	10.35%	+2.2%
Dec 1988	10.13%	+44.5%
Sep 1988	7.01%	+15.7%
Jun 1988	6.06%	-26.5%
Mar 1988	8.25%	+116.0%
Dec 1987	3.82%	-11.4%
Sep 1987	4.31%	+3.9%
Jun 1987	4.15%	-24.0%
Mar 1987	5.46%	-1.4%
Dec 1986	5.54%	+120.6%
Sep 1986	-26.94%	-708.1%
Jun 1986	4.43%	-30.3%
Mar 1986	6.36%	+0.2%
Dec 1985	6.35%	+9.3%
Sep 1985	5.81%	+25.2%
Jun 1985	4.64%	-15.2%
Mar 1985	5.47%	-2.3%
Dec 1984	5.60%	-13.3%
Sep 1984	6.46%	-12.0%
Jun 1984	7.34%	-12.0%
Mar 1984	8.34%	-

FAQ

What is the current quarterly net margin of NI?
As of today, NI quarterly net margin is 14.57%
What is NI quarterly net margin most recent change?
NI quarterly net margin was up +73.87% on December 31, 2025
What is 1-year change in NI quarterly net margin?
NI quarterly net margin is down -5.02% year-over-year
How far is NI quarterly net margin from its all-time high?
NI quarterly net margin is currently -50.41% below its historical high of 29.38% set on June 30, 2019
How does NI quarterly net margin rank versus sector peers?
NI quarterly net margin is higher than 64.00% of companies in Utilities sector
When is NI next earnings release?
The next earnings release for NI is on May 6, 2026

Net Margin Formula

Net Margin = Net Income

Revenue × 100%

Data Sources & References

NI Official Website www.nisource.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1111711/000111171126000027/0001111711-26-000027-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1111711/000111171126000027/0001111711-26-000027-index.htm
NI Profile on Yahoo Finance finance.yahoo.com/quote/NI
NI Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/ni