Discontinued — last reported Q1 '26

Operating Expenses

Other operations and maintenance

NiSource Other operations and maintenance increased by 0.8% to $489.20M in Q1 2026 compared to the prior quarter. Year-over-year, this metric grew by 14.4%, from $427.80M to $489.20M. Over 4 years (FY 2021 to FY 2025), Other operations and maintenance shows an upward trend with a 4.1% CAGR. This is a positive signal — lower values indicate better performance for this metric.

Analysis

StatementIncome Statement
SectionOperating Expenses
CategoryEfficiency
SignalLower is better
VolatilityStable
First reportedQ1 2013
Last reportedQ1 2026

How to read this metric

An increase may signal rising labor costs or aging infrastructure requiring more maintenance, while a decrease suggests effective cost management or operational efficiencies.

Detailed definition

This represents the day-to-day costs required to operate and maintain utility infrastructure, excluding fuel and power p...

Peer comparison

Standard operating expense category for all capital-intensive utility providers.

Metric ID: other_operations_and_maintenance

Historical Data

20 periods
 Q2 '21Q3 '21Q4 '21Q1 '22Q2 '22Q3 '22Q4 '22Q1 '23Q2 '23Q3 '23Q4 '23Q1 '24Q2 '24Q3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Value$362.80M$351.10M$380.60M$394.30M$381.90M$347.90M$365.30M$391.20M$369.50M$341.20M$393.00M$378.40M$357.70M$357.40M$421.70M$427.80M$396.20M$401.10M$485.10M$489.20M
QoQ Change-3.2%+8.4%+3.6%-3.1%-8.9%+5.0%+7.1%-5.5%-7.7%+15.2%-3.7%-5.5%-0.1%+18.0%+1.4%-7.4%+1.2%+20.9%+0.8%
YoY Change+5.3%-0.9%-4.0%-0.8%-3.2%-1.9%+7.6%-3.3%-3.2%+4.7%+7.3%+13.1%+10.8%+12.2%+15.0%+14.4%
Range$341.20M$489.20M
CAGR+6.5%
Avg YoY Growth+4.6%
Median YoY Growth+5.0%
Current Streak3 quarters growth

Business Segments

View all
SegmentQ1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Columbia Operations$243.00M$207.70M$212.80M$260.20M$278.40M
NIPSCO Operations$202.00M$211.00M$215.10M$220.80M$221.40M
Total$427.80M$396.20M$401.10M$485.10M$489.20M

Frequently Asked Questions

What is NiSource's other operations and maintenance?
NiSource (NI) reported other operations and maintenance of $489.20M in Q1 2026.
How has NiSource's other operations and maintenance changed year-over-year?
NiSource's other operations and maintenance increased by 14.4% year-over-year, from $427.80M to $489.20M.
What is the long-term trend for NiSource's other operations and maintenance?
Over 4 years (2021 to 2025), NiSource's other operations and maintenance has grown at a 4.1% compound annual growth rate (CAGR), from $1.46B to $1.71B.
What does other operations and maintenance mean?
The ongoing costs of running and maintaining the utility's physical assets and administrative functions.