Income Statement Balance Sheet Cash Flow Segments

NiSource Business Segments

Business, geographic, and product segment breakdowns

NiSource generates $11.3B in annual revenue across 2 key segments: Columbia Operations ($48.5M), and NIPSCO Operations ($84.1M). The company-wide operating margin is 16.72%. Based on the Q1 2026 filing.

Columbia Operations (TTM)$48.5M NIPSCO Operations (TTM)$84.1M

Latest FilingQ1 2026

Report Date2026-05-06

Market Cap$22.4B

P/E Ratio23.24

ROE10.37%

Business Segments

Accounts Receivable, Allowance for Credit Loss

Segment	Q4 '24	Q1 '25	Q2 '25	Q3 '25	Q4 '25	Q1 '26
NIPSCO Operations	$13.9M	$15.6M	$15.9M	$15.6M	$25M	$27.6M
Columbia Operations	$9.8M	$14M	$11.4M	$3M	$15.6M	$18.5M

Allowance for Credit Loss

Segment	Q4 '24	Q1 '25	Q2 '25	Q3 '25	Q4 '25	Q1 '26
Columbia Operations	$9.8M	—	—	—	$15.6M	—

Depreciation Provisions For Utility Plant Percentage

Segment	Q4 '24	Q1 '25	Q2 '25	Q3 '25	Q4 '25	Q1 '26
Electric Operations	0.01	0.01	0.01	0.01	0.01	—
Gas Distribution Operations	0.01	0.01	0.01	0.01	0.01	—