Wisconsin was the largest of Wec Energy Group, Inc.’s 4 reported lines in fiscal 2025, at $7.30B — 74% of $9.80B.
| Segment | FY 2011 | FY 2012 | FY 2014 | FY 2015 | FY 2016 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wisconsin | $6.96B | $6.63B | $6.33B | $7.30B | ||||||||||
| Utility Energy | — | — | — | — | ||||||||||
| Illinois | $1.89B | $1.56B | $1.60B | $1.68B | ||||||||||
| We Power | — | — | — | — | ||||||||||
| Other States | $618.50M | $519.10M | $449.80M | $527.50M | ||||||||||
| Non-Utility Energy | — | — | — | — | ||||||||||
| Non-Utility Energy Infrastructure | $127.00M | $190.10M | $217.20M | $293.50M | ||||||||||
| Corporate & Other | $500.00K | $100.00K | — | — | ||||||||||
| Reconciling Items | — | — | — | — | ||||||||||
| Reconciling Eliminations | — | — | — | — | ||||||||||
| Total | $9.60B | $8.89B | $8.60B | $9.80B |
In fiscal 2025, which ended December 31, 2025, the 4 segments Wec Energy Group, Inc. reported in this breakdown added up to $9.80B. That was up 14.0% from $8.60B in fiscal 2024. Wisconsin was the largest segment, at $7.30B or 74.4% of the total, followed by Illinois ($1.68B, 17.2%) and Other States ($527.50M, 5.4%). Together, the two largest segments made up 91.6% of this total.
Compared with fiscal 2024, Non-Utility Energy Infrastructure grew the fastest, rising 35.1% to $293.50M. Every sizeable segment reported in both years grew.
The table also keeps 6 segments that Wec Energy Group, Inc. no longer reports, so earlier years can still be read on their original basis; use "Show 6 discontinued" beneath the table to see them. This breakdown covers 14 fiscal years between 2011 and 2025, as reported in Wec Energy Group, Inc.'s annual filings.
External Revenues was the largest of Wec Energy Group, Inc.’s 2 reported lines in fiscal 2025, at $7.30B — 100% of $7.30B.
| Typesof Operating Revenues | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|
| External Revenues | $6.96B | $6.63B | $6.33B | $7.30B | ||
| Intersegment Transactions | — | — | — | — | ||
| Intersegment Revenues | $0 | $0 | $0 | $0 | ||
| Total | $6.96B | $6.63B | $6.33B | $7.30B |
In fiscal 2025, which ended December 31, 2025, the 2 revenue lines Wec Energy Group, Inc. reported in this breakdown added up to $7.30B. That is less than the $9.80B in its breakdown by segment, so these revenue lines do not account for all of its revenue that year. External Revenues was the largest revenue line, at $7.30B or 100.0% of the total.
The table also keeps 1 revenue line that Wec Energy Group, Inc. no longer reports, so earlier years can still be read on their original basis; use "Show 1 discontinued" beneath the table to see them. This breakdown covers every fiscal year from 2020 to 2025, as reported in Wec Energy Group, Inc.'s annual filings.
External Revenues was the largest of Wec Energy Group, Inc.’s 2 reported lines in fiscal 2019, at $5.74B — 100% of $5.74B.
| Typesof Operating Revenues | FY 2016 | FY 2017 | FY 2018 | FY 2019 |
|---|---|---|---|---|
| External Revenues | $5.81B | $5.83B | $5.83B | $5.74B |
| Intersegment Transactions | $423.30M | $446.30M | $0 | $0 |
| Total | $6.23B | $6.28B | $5.83B | $5.74B |
In fiscal 2019, which ended December 31, 2019, the 2 revenue lines Wec Energy Group, Inc. reported in this breakdown added up to $5.74B. That was down 1.6% from $5.83B in fiscal 2018. External Revenues was the largest revenue line, at $5.74B or 100.0% of the total.
Over fiscal 2016 to 2019, revenue across these revenue lines went from $6.23B to $5.74B, a compound annual decline of 2.7%. External Revenues' share of the total rose from 93.2% to 100.0% over the same years.
This breakdown covers every fiscal year from 2016 to 2019, as reported in Wec Energy Group, Inc.'s annual filings.
Wec Energy Group, Inc. (WEC) breaks its revenue down by segment and revenue line. In fiscal 2025, its largest segment was Wisconsin, with $7.30B or 74.4% of the total, followed by Illinois at $1.68B (17.2%).
Wisconsin was Wec Energy Group, Inc.'s largest segment in fiscal 2025, with $7.30B in revenue, 74.4% of the $9.80B reported across its 4 segments.
External Revenues was Wec Energy Group, Inc.'s largest revenue line in fiscal 2025, with $7.30B in revenue, 100.0% of the $7.30B reported across its 2 revenue lines.
Of the Wec Energy Group, Inc. segments reported in both fiscal 2024 and fiscal 2025, and making up at least 2% of the total, Non-Utility Energy Infrastructure grew the fastest, rising 35.1% from $217.20M to $293.50M.
Every figure is taken from Wec Energy Group, Inc.'s annual financial filings and shown as reported: each line keeps the name the company gives it, years follow its own fiscal calendar, and lines it has stopped reporting stay in the table for the years they were reported.
The breakdown by segment covers fiscal 2011 to 2025. The latest four fiscal years are free to view, and the full history is available with a Business Quant subscription.