What is NiSource's total interest expense?

NiSource (NI) reported total interest expense of $161.95M in Q4 2025.

How has NiSource's total interest expense changed year-over-year?

NiSource's total interest expense increased by 28.0% year-over-year, from $126.55M to $161.95M.

What is the long-term trend for NiSource's total interest expense?

Over 4 years (2021 to 2025), NiSource's total interest expense has grown at a 17.8% compound annual growth rate (CAGR), from $336.40M to $647.80M.

What does total interest expense mean?

The total cost of interest paid on deposits and borrowed funds.

Discontinued — last reported Q4 '25

Cost of Revenue

Total Interest Expense

NiSource Total Interest Expense remained flat by 0.0% to $161.95M in Q4 2025 compared to the prior quarter. Year-over-year, this metric grew by 28.0%, from $126.55M to $161.95M. Over 4 years (FY 2021 to FY 2025), Total Interest Expense shows an upward trend with a 17.8% CAGR. This increase may warrant attention — for this metric, lower values are generally preferred.

Analysis

StatementIncome Statement

SectionCost of Revenue

CategoryEfficiency

SignalLower is better

VolatilityModerate

First reportedQ1 2014

Last reportedQ4 2025

How to read this metric

An increase may signal higher funding costs or increased reliance on debt, while a decrease suggests improved funding efficiency or lower market rates.

Detailed definition

This represents the total cost incurred by the company to fund its operations through deposits, borrowings, and other de...

Peer comparison

Standard for any deposit-taking institution or lender.

Metric ID: total_interest_expense_bank

Historical Data

5 years

	FY'21	FY'22	FY'23	FY'24	FY'25
Value	$336.40M	$344.50M	$404.10M	$506.20M	$647.80M
YoY Change	—	+2.4%	+17.3%	+25.3%	+28.0%

Range$336.40M – $647.80M

CAGR+17.8%

Avg YoY Growth+18.2%

Median YoY Growth+21.3%

Current Streak4+ years growth

Frequently Asked Questions

What is NiSource's total interest expense?: NiSource (NI) reported total interest expense of $161.95M in Q4 2025.
How has NiSource's total interest expense changed year-over-year?: NiSource's total interest expense increased by 28.0% year-over-year, from $126.55M to $161.95M.
What is the long-term trend for NiSource's total interest expense?: Over 4 years (2021 to 2025), NiSource's total interest expense has grown at a 17.8% compound annual growth rate (CAGR), from $336.40M to $647.80M.
What does total interest expense mean?: The total cost of interest paid on deposits and borrowed funds.