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Side-by-side financial comparison of NorthWestern Energy Group, Inc. (NWE) and ONE Gas, Inc. (OGS), based on the latest 10-Q / 10-K filings. Click either name above to swap in a different company.

NorthWestern Energy Group, Inc. is a utility company that serves South Dakota, Nebraska, and Montana that is based in Sioux Falls. As of 2019, the company serves approximately 718,000 customers. The company's corporate headquarters are located in Sioux Falls while the headquarters for the South Dakota operations are in Huron, South Dakota.

One Gas, Inc. is a stand-alone, 100 percent regulated, publicly traded natural gas utility and is one of the largest natural gas utilities in the United States.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history — bar widths are scaled to the larger of the two companies so you can eyeball the size gap and growth trajectory without doing math. Quarters aligned by calendar period (report date) so offset fiscal years line up.

Revenue
NWE
NWE
OGS
OGS
Q4 25
$414.3M
Q3 25
$387.0M
Q2 25
$342.7M
Q1 25
$466.6M
Q4 24
$373.5M
Q3 24
$345.2M
Q2 24
$319.9M
Q1 24
$475.3M
Net Profit
NWE
NWE
OGS
OGS
Q4 25
$44.7M
Q3 25
$38.2M
Q2 25
$21.2M
Q1 25
$76.9M
Q4 24
$80.6M
Q3 24
$46.8M
Q2 24
$31.7M
Q1 24
$65.1M
Operating Margin
NWE
NWE
OGS
OGS
Q4 25
14.5%
Q3 25
20.7%
Q2 25
17.7%
Q1 25
26.7%
Q4 24
24.6%
Q3 24
19.7%
Q2 24
19.3%
Q1 24
21.5%
Net Margin
NWE
NWE
OGS
OGS
Q4 25
10.8%
Q3 25
9.9%
Q2 25
6.2%
Q1 25
16.5%
Q4 24
21.6%
Q3 24
13.6%
Q2 24
9.9%
Q1 24
13.7%
EPS (diluted)
NWE
NWE
OGS
OGS
Q4 25
$0.72
Q3 25
$0.62
Q2 25
$0.35
Q1 25
$1.25
Q4 24
$1.31
Q3 24
$0.76
Q2 24
$0.52
Q1 24
$1.06

Financial Flow Comparison

Sankey diagram of revenue → gross profit → operating profit → net profit for each company. Charts shown full-width and stacked so both segment hierarchies are readable side-by-side on desktop and mobile.

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