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WEC: what changed in its latest quarter. Quarter ended Sep 30, 2026 vs the same quarter a year earlier, from WEC ENERGY GROUP, INC.’s SEC filing.

2026-11-13 · WEC

WEC: what changed in its latest quarter

Quarter ended Sep 30, 2026 vs the same quarter a year earlier, from WEC ENERGY GROUP, INC.’s SEC filing.

The story in plain words

Friday, November 13, 2026. WEC: what changed in its latest quarter. Quarter ended Sep 30, 2026 vs the same quarter a year earlier, from WEC ENERGY GROUP, INC.’s SEC filing.

What the data shows for WEC Energy Group (WEC): Revenue growth: +8.9% vs the same quarter a year earlier. Gross margin: +0.5 pts vs the same quarter a year earlier. Operating margin: +3.2 pts vs the same quarter a year earlier. Free cash flow: +94.4% vs the same quarter a year earlier. Net margin: +4.2 pts vs the same quarter a year earlier.

About the company: WEC Energy Group trades as WEC and is part of the S&P 500, in the Utilities sector (Electric Utilities), headquartered in Milwaukee, Wisconsin, founded in 1896.

This is one of CookieStocks’ daily stock stories about the biggest year-over-year changes in S&P 500 companies’ reported results, straight from SEC filings. Stories are found automatically each trading day from market data and SEC filings, and every claim is labelled as observed, calculated or a possible contributor. Statistics only, not investment advice.

Prove it

Every claim on the graphic, labelled: observed (straight from the data), calculated (worked out from it), or possible contributor (lines up in time, not a confirmed cause).

  • OBSERVED
    Revenue growth: +8.9% vs the same quarter a year earlierHow: this year ÷ last year − 1 · Source: SEC EDGAR · Oct 30, 2026, 4:00 PM ET
  • OBSERVED
    Gross margin: +0.5 pts vs the same quarter a year earlierHow: this year’s margin − last year’s margin · Source: SEC EDGAR · Oct 30, 2026, 4:00 PM ET
  • OBSERVED
    Operating margin: +3.2 pts vs the same quarter a year earlierHow: this year’s margin − last year’s margin · Source: SEC EDGAR · Oct 30, 2026, 4:00 PM ET
  • OBSERVED
    Free cash flow: +94.4% vs the same quarter a year earlierHow: this year ÷ last year − 1 · Source: SEC EDGAR · Oct 30, 2026, 4:00 PM ET
  • OBSERVED
    Net margin: +4.2 pts vs the same quarter a year earlierHow: this year’s margin − last year’s margin · Source: SEC EDGAR · Oct 30, 2026, 4:00 PM ET

WEC Energy Group (WEC) financials and filings →

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Statistics only, not investment advice. Past moves don’t predict future ones. Data as of Nov 13, 2026, 11:05 AM ET.