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TTM Q1 '26TTM Q4 '25TTM Q3 '25TTM Q2 '25TTM Q1 '25
Operating revenues by Product
Regulated Electric and Natural Gas Segments$1.64B+9.1%$1.61B+6.4%$1.57B+4.9%$1.53B+1.4%$1.51B-2.4%
Total Revenue$1.64B+9.1%$1.61B+6.4%$1.57B+4.9%$1.53B+3.8%$1.51B+4.3%
Revenue by Geography
Montana$538.05M+3.2%$535.87M+2.8%$525.3M-2.1%$515.5M-4.0%$521.6M-3.1%
Nebraska$23.59M-1.3%$25.64M+20.9%$25.11M+17.1%$24.61M+12.7%$23.91M-6.0%
South Dakota$144.43M+8.4%$141.77M+9.2%$137.67M+7.2%$134.97M+7.1%$133.27M+5.2%

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Questions, answered.

How does NorthWestern Energy Group, Inc. break its business down?
NorthWestern Energy Group, Inc. (NWE) reports total revenues by business across 2 parts — Regulated Electric Segment and Regulated Natural Gas. Each is extracted from the segment footnotes and tracked over time.
Where does NorthWestern Energy Group, Inc.'s segment data come from?
Segment breakdowns are pulled from the segment footnotes in NorthWestern Energy Group, Inc.'s SEC filings (the XBRL dimensional tags), so every line ties back to a reported figure. Switch between quarterly, annual, and TTM, or open any segment for its full history.